10 - 1 10. Infrastructure The infrastructure information contained in this section is based upon data collected by the FCC as part of its price-cap monitoring procedures. 1 This summary is intended to highlight changes in the use of technology in the local telephone company plant. The data (ARMIS 43-07 reports 2 ) upon which this infrastructure summary is based are due April 1 for the previous calendar year. This infrastructure section includes data through calendar year 2005. 3 The most recent data were due April 1, 2006. Revisions are only included in this section if they are filed early enough for inclusion; however, this section contains revisions to historical data filed subsequent to cutoff dates for last year’s summary. Background The data items presented here summarize ARMIS Report 43-07, which is filed by local exchange carriers subject to mandatory price-cap regulation. The information contained in this section is for the years 1995 through 2005. Recent changes to our infrastructure data collection process are reflected beginning with filed data for calendar year 2003. A number of items were eliminated from reporting requirements and historical information for these items is no longer shown in this section. 4 Most of the eliminated items relate to switching technologies that have 1 Policy and Rules Concerning Rates For Dominant Carriers, CC Docket No. 87-313, Second Report and Order, 5 FCC Rcd 6786 (1990) (LEC Price Cap Order), Erratum, 5 FCC Rcd 7664 (Com. Car. Bur. 1990); Policy and Rules Concerning Rates For Dominant Carriers, CC Docket No. 87-313, Memorandum Opinion and Order, 8 FCC Rcd 7474 (Com. Car. Bur. 1993) (Service Quality Modifications Order). 2 ARMIS, an acronym for Automated Reporting Management Information System, is a publicly available repository of financial, plant, demand, and quality-of-service data. Additional infrastructure data are contained in the ARMIS 43-08 report. See Statistics of Communications Common Carriers, published annually by the Wireline Competition Bureau’s Industry Analysis and Technology Division for a compilation of ARMIS 43-08 infrastructure data. 3 See Infrastructure of the Local Operating Companies Aggregated to the Holding Company Level, released April 24, 1995 for data for the years 1989 and 1990. Some of the data for those early years are not a part of this summary and may contain discrepancies that make the early data inconsistent with that of later years. Reports containing data for the early years can be found in the infrastructure section of the Wireline Competition Bureau Statistical Reports Internet site at www.fcc.gov/wcb/stats under the file names INFRA99.ZIP, INFRA98.ZIP, INFRA95.ZIP, and INFRA93.ZIP. More recent reports can be found in Section 10 of earlier versions of this report on the same web page under the section covering the Commission’s Federal-State Joint Board Monitoring Reports. 4 Historical information for the entries that are no longer reported can be found in 10 - 2 become obsolete or reflect virtually complete deployment of capabilities such as touch-tone capability. New data are being collected on hybrid copper/fiber interfaces in the network but most of the carriers have requested proprietary treatment for the data. As a result, the data are not provided in this section. The ARMIS 43-07 reports are filed only by those local exchange companies originally subject to mandatory price-cap regulation--the Bell operating companies (BOCs). 5 Together, these large companies are estimated to serve about 90% of all incumbents’ access lines nationwide. The data are generally filed at the study area level, which typically consists of a company's operations within a state. The state-by-state data are available from the Commission's ARMIS web page at . 6 This web page has been redesigned and provides more features than were previously available. The information summarized in this section is organized into two sets of tables with the following designations: Table 10.1 shows switching system data and gross plant expenditures covering all types of plant. Table 10.2 shows transmission system data. Each set of tables contains segments for each of the regional Bell operating companies (along with Verizon’s GTE companies shown separately) with aggregated summary data for all the reporting companies. The data summarized for each holding company reflect the aggregate of data filed for individual states or study areas and should be useful in assessing overall trends. In some cases, refiled data may cause values to differ from prior summary reports. Recent data reflect mergers of GTE and Bell Atlantic, which are now under the name Verizon Communications, the acquisitions by SBC of Ameritech, Pacific Telesis, and Southern New England Telephone, and the subsequent merger of AT&T and SBC. Description of the Technologies and Analysis of the Data The data in the attached tables provide an historical series for a variety of plant elements that illustrate the deployment of technology in the networks of the major local exchange carriers. 7 The data items provide a picture of the well established technologies in use. This section highlights key trends in the evolution of basic telecommunications infrastructure and illustrates the replacement of older technologies with newer ones. In some cases, older Monitoring Reports released prior to 2003 and in the reports noted in footnote 3. 5 See footnote 1. 6 To access ARMIS data from click on the words “download ARMIS data” and select the desired report, table and row(s).” To access data instructions and definitions applicable to the 43-07 report click on the words “ARMIS site map” at the top of the second screen and then select the 43-07 report and table desired. 7 A number of irregularities including time series anomalies have been noted in the data. The companies are typically notified of these observed problems and either file revisions or explanations. Revisions are initially made available on the ARMIS database website noted above. 10 - 3 technologies either no longer exist or are in very limited use. This section reflects recent revisions to the ARMIS 43-07 report from which the data in this summary are obtained. 8 ARMIS data currently collected only cover circuit switches, including remote switches, that provide a dedicated path through the network for the duration of a call, not routers or switches that are used to handle Internet traffic or in connection with frame relay and ATM services that are specifically designed to handle data packets. 9 Almost all of the major local exchange carrier switches are digital. More than 46 percent of these are ISDN capable. However, the rate at which new ISDN switching capability is being added to the network has slowed considerably, and the number of ISDN switches have declined in 2005 associated with the overall decline in number of switches. In 2005, the reported number of equipped ISDN Primary Rate Interfaces declined less than 1 percent, from 567,255 to 564,900. ISDN basic rate services also declined with increased use of xDSL technologies, with about 3% fewer reported new Basic Rate Interfaces equipped in 2005 than in 2004. A number of transmission elements are included in Table 10.2. Definitions for these elements can be found on the Commissions ARMIS website noted above. These illustrate the rapid development of fiber capacity in terms of terminations, sheath kilometers, and links. The number of sheath kilometers of fiber more than doubled over the decade 1995-2005, with about 49,000 new fiber sheath kilometers being reported in 2005. During the same period, the number of sheath kilometers of copper remained steady at somewhat over 5 million, and other sheath data, in relative terms, were not significant. Table 10.2 also highlights the relative magnitude of equipped and working channels. Both copper and fiber working channels have declined in 2005. Total interoffice circuit links have also declined from last year. Although circuits connecting local central offices could typically be provided on only two fibers, the economics of fiber deployment have resulted in deployments of typical fiber cables containing more than 40 fibers. This suggests that there is a significant amount of fiber capacity currently unused in the interoffice transmission plant. 10 8 2000 Biennial Regulatory Review – Comprehensive Review of the Accounting Requirements and ARMIS Reporting Requirements for Incumbent Local Exchange Carriers: Phase 2; Amendments to the Uniform System of Accounts for Interconnection; Jurisdictional Separations Reform and Referral to the Federal-State Joint Board; and Local Competition and Broadband Reporting, CC Docket Nos. 00-199, 99-301, 97-212, 80-286, Report and Order in CC Docket Nos. 00-199, 97-212, and 80-286, Further Notice of Proposed Rulemaking in CC Docket Nos. 00-199, 99-301, and 80-286, 16 FCC Rcd 19911 (2001), recon pending (Phase 2 Report and Order). 9 Remote switches as defined in this report only cover those switches capable of functioning if the host switch fails. 10 A large portion of the cost of fiber deployment is associated with labor and installation rather than with the cable itself. Thus, the incremental cost of installing a larger fiber cable is typically relatively small. This suggests that the sheath-kilometer parameter shown in the attached tables may be a better measure of fiber coverage than fiber 10 - 4 Although the historical level of growth in fiber has been high, its use in the local loop at present appears to be relatively small. The reporting companies included in this section had an installed base of about 244 million copper-pair mainframe terminations in their central offices for local loop use in 2005. In comparison, about 3.2 million fiber loop central office terminations had been installed by end-of-year 2005. The data show that the number of these terminations increased by more than 14% during 2005. In 2005 DS-3 terminations on fiber facilities grew by about 23%. Fiber and hybrid copper/fiber systems will likely become increasingly important in the local loop as the number of high-quality copper pairs available to support higher data rate digital services declines. As noted earlier, the data presented in this section do not include data associated with hybrid fiber/copper interfaces including information on offerings of xDSL services for which the companies requested proprietary treatment. 11 Nonetheless the number of ISDN capable lines can be used as an upper bound for potential broadband availability over copper loops, since copper loop characteristics necessary to support ISDN services are also required for newer xDSL services. 12 Readers interested in more disaggregated information may wish to examine data at a more localized level than presented here. 13 kilometers. In general, care should be exercised in interpreting aggregate fiber data when determining, for example, whether fiber is concentrated in certain parts of a company's service area with relatively little fiber elsewhere. See Fiber Deployment Update - End of Year 1998, released Sept. 9, 1999: : FIBER98.ZIP (authored by J. Kraushaar, Industry Analysis and Technology Division, Wireline Competition Bureau, Federal Communications Commission). 11 xDSL (Digital Subscriber Loop) services that are now available offer broadband digital capability using special terminal equipment that enhances the capability of existing copper access lines. 12 Table 10.1 includes the number of switch terminations that are available for ISDN and ISDN capable lines. Table 10.2 includes the number of copper loops that are capable of supporting ISDN. 13 Individual study-area data are also available to address more localized issues. This information is available from the ARMIS web page at . 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 Local Switches 15,556 16,267 16,186 16,117 16,401 14,841 14,837 14,051 14,053 14,064 11,997 Tandems 458 484 481 493 498 504 517 526 544 568 529 Hosts 2,310 2,432 2,515 2,471 2,537 2,401 2,338 2,274 2,169 2,156 2,516 Remotes (Stand Alone Only) 6,902 7,098 7,164 7,977 8,167 7,406 7,412 7,383 7,382 7,312 6,520 Total Switches 15,740 16,486 16,448 16,392 16,659 15,092 15,109 14,353 14,376 14,399 12,321 Analog Stored Program Control 1,002 735 558 431 320 203 139 107 84 73 65 Digital Stored Program Control 14,055 15,356 15,722 15,961 16,339 14,889 14,970 14,245 14,292 14,326 12,256 Total Number Access Lines in Service (000) 138,144 143,239 150,043 155,530 161,778 160,557 155,543 148,292 142,698 136,057 127,026 Analog Stored Program Control Lines Served 29,409 24,803 21,416 16,688 11,925 7,317 4,810 3,283 2,436 1,981 1,566 Digital Stored Program Control Lines Served 108,170 118,149 128,470 138,842 149,853 153,240 150,732 145,009 140,262 134,076 125,460 Total Switches Equipped w/SS7-394 (InterLATA) Svc. 11,742 13,171 13,879 15,148 16,137 14,822 14,954 14,258 14,342 14,366 12,292 Total Switches Equipped with ISDN 3,256 3,852 4,681 5,392 5,809 5,414 5,465 5,664 5,651 5,787 5,694 Lines with Access to ISDN (000) 77,492 95,113 106,575 121,408 128,925 132,886 129,075 124,451 119,422 115,561 107,159 Basic Rate ISDN (BRI) Interfaces Equipped 1,038,902 1,507,551 1,797,254 2,491,509 2,756,249 2,815,671 3,097,905 2,860,453 2,590,905 2,637,353 2,567,623 Primary Rate ISDN (PRI) Interfaces Equipped 32,580 67,885 136,233 234,515 338,993 521,503 720,590 753,491 556,226 567,255 564,900 Source: ARMIS Report 43-07. Table 10.1 Switching Data Total - All Companies 10 - 5 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 Local Switches 1,647 1,650 1,654 1,653 1,649 1,644 1,642 1,637 1,629 1,625 1,612 Tandems 71 70 70 71 71 73 77 77 78 79 78 Hosts 289 297 317 307 306 297 304 305 295 295 292 Remotes (Stand Alone Only) 742 747 766 765 765 776 819 829 877 811 810 Total Switches 1,668 1,670 1,674 1,673 1,668 1,665 1,665 1,664 1,658 1,653 1,637 Analog Stored Program Control 158 130 106 100 83 69 54 44 41 39 31 Digital Stored Program Control 1,510 1,540 1,568 1,573 1,585 1,596 1,611 1,620 1,617 1,614 1,606 Total Number Access Lines in Service (000) 21,064 22,019 23,080 23,909 24,458 24,558 23,756 22,955 22,206 21,317 19,944 Analog Stored Program Control Lines Served 4,455 4,020 3,746 3,536 2,972 2,362 1,729 1,309 1,154 1,030 699 Digital Stored Program Control Lines Served 16,609 17,999 19,334 20,373 21,486 22,197 22,027 21,646 21,052 20,287 19,244 Total Switches Equipped w/SS7-394 (InterLATA) Svc. 1,629 1,652 1,674 1,673 1,668 1,665 1,665 1,664 1,658 1,653 1,637 Total Switches Equipped with ISDN 467 518 584 596 645 691 678 697 701 809 811 Lines with Access to ISDN (000) 10,988 12,948 14,894 15,980 17,413 18,396 17,660 17,457 16,927 17,536 16,607 Basic Rate ISDN (BRI) Interfaces Equipped 80,641 122,043 167,512 183,458 202,391 223,294 228,898 230,066 269,254 281,088 246,880 Primary Rate ISDN (PRI) Interfaces Equipped 4,803 9,154 21,389 33,564 51,669 72,347 85,983 81,328 81,682 86,399 86,185 Source: ARMIS Report 43-07. Table 10.1 Switching Data BellSouth Companies 10 - 6 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 Local Switches 1,641 1,521 1,441 1,446 1,428 1,400 1,354 1,337 1,322 1,323 1,319 Tandems 51 51 51 51 51 53 51 56 56 56 56 Hosts 238 248 249 253 251 245 231 226 217 219 218 Remotes (Stand Alone Only) 961 852 781 786 752 733 680 651 631 630 630 Total Switches 1,654 1,534 1,492 1,458 1,441 1,414 1,363 1,351 1,336 1,337 1,334 Analog Stored Program Control 188 146 113 95 71 20 1100 0 Digital Stored Program Control 1,465 1,387 1,379 1,363 1,370 1,394 1,362 1,350 1,336 1,337 1,334 Total Number Access Lines in Service (000) 14,817 15,405 16,132 16,859 17,449 17,626 16,664 15,682 14,277 13,425 12,817 Analog Stored Program Control Lines Served 4,706 4,245 4,228 3,574 2,501 636 30 28 0 0 0 Digital Stored Program Control Lines Served 10,110 11,159 11,905 13,286 14,948 16,991 16,634 15,654 14,277 13,425 12,817 Total Switches Equipped w/SS7-394 (InterLATA) Svc. 1,116 1,143 1,305 1,346 1,350 1,340 1,311 1,311 1,312 1,315 1,311 Total Switches Equipped with ISDN 262 327 541 557 583 623 603 587 635 638 636 Lines with Access to ISDN (000) 6,192 9,668 10,264 11,189 12,522 14,611 14,082 13,153 12,575 11,806 11,245 Basic Rate ISDN (BRI) Interfaces Equipped 126,530 146,570 162,953 165,733 167,623 176,696 174,079 199,302 201,232 195,674 195,729 Primary Rate ISDN (PRI) Interfaces Equipped 2,315 2,734 4,329 4,867 6,112 7,822 11,046 61,993 65,672 67,908 67,912 Source: ARMIS Report 43-07. Table 10.1 Switching Data Qwest Companies 10 - 7 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 Local Switches 1,415 1,410 1,435 1,419 1,432 1,447 1,451 1,455 1,439 1,436 1,439 Tandems 46 46 47 51 52 53 55 63 65 87 86 Hosts 238 236 243 236 234 234 235 236 236 236 235 Remotes (Stand Alone Only) 731 743 769 764 775 790 789 790 776 779 781 Total Switches 1,461 1,456 1,482 1,470 1,485 1,500 1,506 1,518 1,504 1,523 1,525 Analog Stored Program Control 97 71 58 46 39 37 34 24 16 8 8 Digital Stored Program Control 1,364 1,385 1,424 1,424 1,446 1,463 1,472 1,494 1,488 1,515 1,517 Total Number Access Lines in Service (000) 19,310 19,553 20,335 20,790 21,036 20,898 20,074 19,151 18,309 17,287 16,050 Analog Stored Program Control Lines Served 3,727 3,228 2,793 2,193 1,811 1,730 1,491 927 562 276 244 Digital Stored Program Control Lines Served 15,583 16,324 17,541 18,597 19,225 19,168 18,583 18,224 17,747 17,011 15,806 Total Switches Equipped w/SS7-394 (InterLATA) Svc. 1,400 1,438 1,463 1,451 1,476 1,492 1,496 1,504 1,504 1,523 1,525 Total Switches Equipped with ISDN 489 601 695 784 816 822 844 933 863 883 908 Lines with Access to ISDN (000) 12,860 13,802 15,464 16,804 17,472 17,388 16,814 16,810 16,160 15,531 14,404 Basic Rate ISDN (BRI) Interfaces Equipped 97,550 226,355 180,280 220,867 259,312 271,468 283,600 290,367 282,643 282,159 280,365 Primary Rate ISDN (PRI) Interfaces Equipped 1,677 4,247 14,569 24,800 38,037 53,926 70,542 75,184 75,766 79,519 80,609 Source: ARMIS Report 43-07. Table 10.1 Switching Data AT&T Ameritech Companies 10 - 8 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 Local Switches 840 833 810 801 799 778 781 779 779 778 779 Tandems 20 20 21 24 24 24 31 31 31 35 35 Hosts 117 114 135 121 116 189 114 114 116 116 115 Remotes (Stand Alone Only) 316 310 364 361 350 361 360 358 359 357 357 Total Switches 860 853 830 824 822 802 812 810 807 813 814 Analog Stored Program Control 87 72 49 38 17 0 0 0 0 0 0 Digital Stored Program Control 772 781 781 786 805 802 812 810 807 813 814 Total Number Access Lines in Service (000) 16,021 16,460 17,155 18,158 18,285 18,236 17,788 17,248 16,693 16,156 15,589 Analog Stored Program Control Lines Served 4,036 3,354 2,422 1,825 754 0 0 0 0 0 0 Digital Stored Program Control Lines Served 11,985 13,106 14,733 16,333 17,531 18,236 17,788 17,248 16,693 16,156 15,589 Total Switches Equipped w/SS7-394 (InterLATA) Svc. 772 794 791 803 796 778 812 810 807 813 814 Total Switches Equipped with ISDN 417 473 531 551 574 574 562 560 588 592 592 Lines with Access to ISDN (000) 10,291 11,895 13,632 15,134 16,529 17,589 16,966 16,427 16,251 15,759 15,201 Basic Rate ISDN (BRI) Interfaces Equipped 171,305 304,182 314,003 468,493 489,369 421,744 630,816 615,934 347,052 339,563 339,695 Primary Rate ISDN (PRI) Interfaces Equipped 3,491 13,448 20,125 31,345 47,794 49,712 94,742 54,902 34,378 34,926 35,040 Source: ARMIS Report 43-07. Table 10.1 Switching Data AT&T Pacific Telesis Companies 10 - 9 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 Local Switches 140 139 137 136 161 161 160 Tandems 6616777 Hosts 76 79 81 32 30 30 30 Remotes (Stand Alone Only) 64 71 56 73 82 82 81 Total Switches 143 139 137 136 165 168 167 Analog Stored Program Control 6300000 Digital Stored Program Control 137 136 137 136 165 168 167 Total Number Access Lines in Service (000) 2,414 2,450 2,334 2,258 2,173 2,069 1,941 Analog Stored Program Control Lines Served 2112500000 Digital Stored Program Control Lines Served 2,202 2,325 2,334 2,258 2,173 2,069 1,941 Total Switches Equipped w/SS7-394 (InterLATA) Svc. 143 141 137 136 165 168 167 Total Switches Equipped with ISDN 74 74 101 137 103 107 106 Lines with Access to ISDN (000) 1,568 1,845 2,031 2,030 1,870 1,776 1,660 Basic Rate ISDN (BRI) Interfaces Equipped 35,378 40,569 38,423 43,254 51,076 51,138 50,348 Primary Rate ISDN (PRI) Interfaces Equipped 4,083 92,208 169,488 192,720 8,465 8,413 8,390 Source: ARMIS Report 43-07. Table 10.1 Switching Data AT&T Southern New England 10 - 10 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 Local Switches 1,644 1,670 1,690 1,644 1,658 1,663 1,660 1,652 1,658 1,654 1,639 Tandems 60 60 60 67 56 69 70 70 71 68 67 Hosts 245 241 267 230 228 229 230 244 245 246 246 Remotes (Stand Alone Only) 935 1,077 1,077 1,158 1,163 1,152 1,150 1,150 1,101 1,093 1,079 Total Switches 1,679 1,730 1,750 1,711 1,727 1,715 1,716 1,722 1,728 1,722 1,706 Analog Stored Program Control 252 162 136 115 88 67 46 34 23 23 23 Digital Stored Program Control 1,369 1,568 1,614 1,596 1,639 1,648 1,670 1,688 1,705 1,699 1,683 Total Number Access Lines in Service (000) 14,095 14,104 15,306 15,872 16,287 16,411 15,842 15,294 14,670 13,912 13,034 Analog Stored Program Control Lines Served 6,531 5,657 5,055 4,119 3,107 2,246 1,448 963 652 615 569 Digital Stored Program Control Lines Served 7,502 8,447 10,251 11,753 13,180 14,165 14,394 14,331 14,018 13,297 12,465 Total Switches Equipped w/SS7-394 (InterLATA) Svc. 1,466 1,597 1,724 1,707 1,724 1,713 1,713 1,722 1,728 1,722 1,706 Total Switches Equipped with ISDN 303 331 331 360 428 441 461 472 479 498 497 Lines with Access to ISDN (000) 8,826 9,440 10,577 13,361 12,158 12,169 12,056 11,241 10,721 10,069 9,361 Basic Rate ISDN (BRI) Interfaces Equipped 108,784 104,604 185,018 225,427 267,190 281,459 310,326 308,501 309,907 309,172 304,893 Primary Rate ISDN (PRI) Interfaces Equipped 5,084 6,150 15,434 31,570 46,533 59,513 68,236 68,793 71,035 70,860 68,395 Source: ARMIS Report 43-07. Table 10.1 Switching Data AT&T Southwestern Bell Companies 10 - 11 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 Local Switches 2,696 2,684 2,703 2,616 2,636 2,634 2,622 2,623 2,628 2,639 2,636 Tandems 65 71 67 67 74 76 81 87 102 101 100 Hosts 371 367 365 369 381 386 382 464 375 371 372 Remotes (Stand Alone Only) 1,424 1,444 1,447 1,405 1,437 1,435 1,424 1,424 1,441 1,445 1,438 Total Switches 2,729 2,723 2,737 2,652 2,682 2,683 2,675 2,682 2,705 2,702 2,712 Analog Stored Program Control 194 137 86 37 16 7 4 4433 Digital Stored Program Control 2,535 2,586 2,651 2,615 2,666 2,676 2,671 2,677 2,701 2,699 2,709 Total Number Access Lines in Service (000) 36,959 38,305 39,714 40,838 41,833 41,669 40,582 38,810 38,003 36,105 33,520 Analog Stored Program Control Lines Served 5,576 4,057 2,975 1,442 568 218 112 55 67 60 54 Digital Stored Program Control Lines Served 31,383 34,248 36,739 39,396 41,266 41,451 40,469 38,754 37,936 36,045 33,466 Total Switches Equipped w/SS7-394 (InterLATA) Svc. 2,577 2,650 2,707 2,641 2,671 2,672 2,664 2,682 2,704 2,700 2,706 Total Switches Equipped with ISDN 930 1,079 1,220 1,298 1,304 1,305 1,303 1,328 1,308 1,289 1,301 Lines with Access to ISDN (000) 22,117 27,682 31,125 34,367 36,336 36,825 35,636 34,012 32,010 30,667 27,567 Basic Rate ISDN (BRI) Interfaces Equipped 363,320 505,652 660,542 1,088,060 1,167,022 1,226,934 1,258,543 1,003,709 966,634 1,015,554 995,707 Primary Rate ISDN (PRI) Interfaces Equipped 12,507 24,775 43,922 71,983 97,177 123,323 150,029 149,282 151,276 149,131 150,081 Source: ARMIS Report 43-07. Table 10.1 Switching Data Verizon - Bell Atlantic Companies 10 - 12 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 Local Switches 5,673 6,499 6,453 6,538 6,659 5,136 5,190 4,432 4,437 4,448 2,413 Tandems 145 166 165 162 164 150 151 136 134 135 100 Hosts 812 929 939 955 945 742 761 653 655 643 1,008 Remotes (Stand Alone Only) 1,793 1,925 1,960 2,738 2,861 2,088 2,134 2,108 2,115 2,115 1,344 Total Switches 5,689 6,520 6,483 6,604 6,691 5,174 5,235 4,470 4,473 4,481 2,426 Analog Stored Program Control 26 17 10 0 0 0 0 0 0 0 0 Digital Stored Program Control 5,040 6,109 6,305 6,604 6,691 5,174 5,235 4,470 4,473 4,481 2,426 Total Number Access Lines in Service (000) 15,878 17,393 18,321 19,105 20,015 18,709 18,503 16,894 16,366 15,785 14,131 Analog Stored Program Control Lines Served 378 242 197 0 0 0 0 0 0 0 0 Digital Stored Program Control Lines Served 14,998 16,866 17,966 19,105 20,015 18,709 18,503 16,894 16,366 15,785 14,131 Total Switches Equipped w/SS7-394 (InterLATA) Svc. 2,782 3,897 4,215 5,527 6,309 5,021 5,156 4,429 4,464 4,472 2,426 Total Switches Equipped with ISDN 388 523 779 1,246 1,385 884 913 950 974 971 843 Lines with Access to ISDN (000) 6,218 9,678 10,619 14,574 14,926 14,064 13,830 13,320 12,908 12,418 11,114 Basic Rate ISDN (BRI) Interfaces Equipped 90,772 98,145 126,946 139,471 167,964 173,507 173,220 169,320 163,107 163,005 154,006 Primary Rate ISDN (PRI) Interfaces Equipped 2,703 7,377 16,465 36,386 47,588 62,652 70,524 69,289 67,952 70,099 68,288 Source: ARMIS Report 43-07. Table 10.1 Switching Data Verizon - GTE Companies 10 - 13 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 Sheath Kilometers: Total Sheath Kilometers 5,447,012 5,587,572 5,664,315 5,763,419 5,921,245 5,761,869 5,848,516 5,791,105 5,851,790 5,941,489 5,990,163 Copper 5,026,009 5,124,940 5,163,039 5,212,873 5,322,914 5,132,364 5,166,537 5,086,669 5,118,314 5,166,481 5,166,382 Fiber 414,183 456,814 495,380 536,520 584,658 613,646 665,805 692,031 720,877 763,132 811,896 Other 6,819 5,819 5,896 14,026 13,672 15,860 16,174 12,406 12,600 11,877 11,884 Interoffice Working Facilities: Total Circuit Links 25,310,122 24,387,840 28,847,081 32,231,481 42,029,901 48,661,944 52,923,180 52,949,635 52,112,866 50,950,480 49,057,883 Loop Plant -- Central Office Terminations: Total Equipped Channels 262,339,718 255,430,475 264,429,362 291,636,650 320,974,950 334,896,812 358,698,149 312,233,882 297,583,679 300,303,600 279,689,574 Copper 225,562,564 227,384,081 230,903,175 239,252,059 246,547,737 248,907,611 252,260,939 244,927,670 238,212,199 234,124,363 234,032,992 Fiber Digital Carrier 36,770,992 28,041,605 33,515,370 52,379,288 74,422,675 85,985,244 106,433,399 67,303,642 59,370,412 66,179,010 45,656,354 Other 6,162 4,789 10,817 5,303 4,538 3,957 3,811 2,570 1,068 227 228 Total Working Channels 155,149,393 163,245,940 170,083,120 194,840,965 210,378,301 218,927,639 227,878,106 169,157,091 155,978,400 148,255,276 137,253,984 Copper 140,650,515 144,576,836 147,286,389 154,355,633 156,898,503 157,839,973 152,364,455 137,228,369 127,261,709 117,320,498 110,032,804 Fiber Digital Carrier 14,496,021 18,666,394 22,793,636 40,483,024 53,232,852 61,085,767 75,512,132 31,927,283 28,716,169 30,934,695 27,221,095 Other 2,857 2,710 3,095 2,308 246,946 1,899 1,519 1,439 522 83 86 Other Transmission Facility Data: Copper Pairs Term Main Frame (Loop Plant Only) 211,576,794 213,115,863 215,534,261 218,990,613 222,260,769 221,252,639 238,862,029 242,252,929 242,520,915 240,835,374 244,216,752 Fiber Strands Term in the CO (Loop Plant Only) 1,202,917 1,465,877 1,651,999 1,946,608 2,045,501 2,350,285 2,744,584 3,098,223 2,705,122 2,819,962 3,217,364 Fiber Term at Customer Premises DS1 Rate 218,909 294,808 363,189 506,572 629,237 876,058 1,290,658 1,325,187 1,710,437 1,446,638 1,803,597 Fiber Term at Customer Premises DS3 Rate & Higher 19,339 32,352 29,893 56,208 105,420 190,106 232,430 212,277 265,280 359,723 444,584 ISDN Capable Lines NA NA NA 107,514,215 123,269,741 117,157,253 105,443,488 106,355,653 96,011,618 94,647,425 90,735,369 NA: Not available Source: ARMIS Report 43-07. Table 10.2 Transmission System Data Total - All Companies 10 - 14 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 Sheath Kilometers: Total Sheath Kilometers 1,020,809 1,034,601 1,050,186 1,074,896 1,094,569 1,115,897 1,134,363 1,145,506 1,155,144 1,170,351 1,187,686 Copper 937,626 943,090 951,758 965,108 973,995 983,221 989,541 992,446 994,980 1,000,413 1,003,470 Fiber 82,012 90,093 96,852 105,335 116,507 129,209 141,356 149,609 156,707 166,476 180,754 Other 1,171 1,418 1,576 4,453 4,067 3,466 3,466 3,452 3,457 3,462 3,462 Interoffice Working Facilities: Total Circuit Links 4,756,430 5,245,925 6,107,816 6,134,728 8,564,658 9,828,726 10,690,256 10,835,682 10,539,995 10,306,408 10,211,775 Loop Plant -- Central Office Terminations: Total Equipped Channels 36,022,283 37,866,890 39,550,588 40,957,871 42,025,575 38,493,186 39,191,848 39,822,163 39,957,594 40,455,852 40,680,315 Copper 30,351,794 30,903,216 31,270,774 31,917,878 31,849,537 31,600,665 31,708,156 30,263,142 30,684,759 29,089,610 28,874,470 Fiber Digital Carrier 5,669,647 6,962,832 8,278,972 9,039,151 10,175,104 6,891,115 7,481,596 9,557,876 9,272,835 11,366,242 11,805,845 Other 842 842 842 842 934 1,406 2,096 1,145 0 0 0 Total Working Channels 24,682,894 26,230,400 27,921,162 29,836,968 30,422,706 26,262,694 25,989,359 25,039,974 24,334,185 23,426,354 22,237,045 Copper 19,871,262 20,318,019 20,708,890 21,233,672 21,237,643 20,311,329 19,664,164 17,250,216 16,854,022 14,456,834 13,286,993 Fiber Digital Carrier 4,811,550 5,912,292 7,212,190 8,603,214 9,184,935 5,950,949 6,324,563 7,789,007 7,480,163 8,969,520 8,950,052 Other 82 89 82 82 128 416 632 751 0 0 0 Other Transmission Facility Data: Copper Pairs Term Main Frame (Loop Plant Only) 26,527,293 26,342,776 26,703,438 27,082,625 26,602,864 31,771,617 48,789,643 49,853,210 51,027,738 52,265,386 53,401,516 Fiber Strands Term in the CO (Loop Plant Only) 106,710 138,364 157,957 185,416 205,840 226,360 248,433 310,092 322,590 351,606 391,378 Fiber Term at Customer Premises DS1 Rate 19,132 27,482 36,911 50,431 67,886 85,205 93,687 593,755 448,233 474,787 514,177 Fiber Term at Customer Premises DS3 Rate & Higher 4,559 5,353 6,847 8,974 35,492 94,022 107,998 112,931 121,680 129,894 140,319 ISDN Capable Lines NA NA NA 15,841,265 13,049,642 13,111,821 12,636,844 16,230,309 16,065,806 15,764,831 15,739,843 NA: Not available Source: ARMIS Report 43-07. Table 10.2 Transmission System Data BellSouth Companies 10 - 15 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 Sheath Kilometers: Total Sheath Kilometers 753,942 722,753 717,084 722,157 735,920 754,162 762,412 770,660 779,623 789,965 798,298 Copper 691,844 660,393 653,205 650,929 662,816 675,009 676,615 684,193 690,414 698,213 704,670 Fiber 62,098 62,360 63,880 65,171 66,986 69,906 76,585 80,891 83,638 86,182 88,058 Other 0 0 0 6,057 6,119 9,247 9,212 5,576 5,570 5,570 5,570 Interoffice Working Facilities: Total Circuit Links 2,802,203 3,178,552 3,561,748 4,129,315 5,232,282 6,152,970 6,926,823 7,018,987 6,746,390 6,521,359 6,262,916 Loop Plant -- Central Office Terminations: Total Equipped Channels 24,246,870 25,284,411 24,893,900 27,316,968 28,023,288 28,733,473 29,643,140 30,106,628 30,149,357 30,254,149 30,524,455 Copper 23,561,093 23,500,796 23,193,518 25,517,759 25,361,821 25,581,184 25,939,651 26,077,832 25,727,523 25,545,943 25,653,793 Fiber Digital Carrier 685,674 1,782,962 1,699,888 1,799,003 2,661,211 3,152,009 3,703,244 4,028,568 4,421,607 4,707,979 4,870,434 Other 103 653 494 206 256 280 245 228 227 227 228 Total Working Channels 15,347,150 16,359,345 17,195,446 17,455,809 18,011,061 18,009,155 17,058,921 16,260,389 15,607,156 15,038,312 14,301,144 Copper 14,873,448 15,232,212 16,113,600 16,222,185 16,270,241 15,887,131 14,607,962 14,400,788 13,625,667 12,996,038 12,302,313 Fiber Digital Carrier 473,650 1,126,650 1,081,695 1,233,523 1,740,715 2,121,920 2,450,864 1,859,511 1,981,407 2,042,191 1,998,745 Other 52 483 151 101 105 104 95 90 82 83 86 Other Transmission Facility Data: Copper Pairs Term Main Frame (Loop Plant Only) 22,168,426 22,291,697 20,463,591 21,558,602 21,606,866 21,572,942 21,653,395 21,724,140 22,858,456 22,907,836 23,069,191 Fiber Strands Term in the CO (Loop Plant Only) 81,953 112,185 123,691 174,430 202,329 238,802 299,315 309,154 316,793 322,781 436,786 Fiber Term at Customer Premises DS1 Rate 28,875 30,109 46,296 91,105 136,878 267,251 316,665 349,948 370,416 0 0 Fiber Term at Customer Premises DS3 Rate & Higher 1,289 1,223 1,142 6,085 28,354 38,224 51,546 60,366 63,678 129,894 140,319 ISDN Capable Lines NA NA NA 9,650,185 9,983,398 9,922,088 9,012,052 8,426,381 7,591,314 15,764,831 15,739,843 NA: Not available Source: ARMIS Report 43-07. Table 10.2 Transmission System Data Qwest Companies 10 - 16 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 Sheath Kilometers: Total Sheath Kilometers 562,934 575,407 586,712 598,858 601,779 612,988 629,321 636,725 642,674 652,181 657,922 Copper 519,775 526,955 533,491 541,197 540,170 546,336 555,024 558,670 562,163 570,185 573,316 Fiber 42,370 47,676 52,450 56,687 60,637 65,632 73,334 77,084 79,541 81,711 84,319 Other 789 776 771 974 972 1,020 964 971 970 286 286 Interoffice Working Facilities: Total Circuit Links 3,278,058 3,577,253 4,118,183 4,912,927 5,990,907 6,753,643 7,625,684 8,084,023 7,633,513 7,372,538 7,241,746 Loop Plant -- Central Office Terminations: Total Equipped Channels 31,957,236 33,365,840 34,740,814 36,301,862 37,842,246 39,092,223 40,436,388 42,145,712 38,326,987 38,922,520 39,012,822 Copper 29,124,886 29,571,017 29,797,059 30,063,619 30,255,769 30,775,153 30,444,126 30,690,174 34,469,562 34,918,499 33,028,372 Fiber Digital Carrier 2,832,350 3,794,823 4,943,755 6,238,243 7,586,477 8,317,070 9,992,262 11,455,538 3,857,425 4,004,021 5,984,450 Other 000000000 00 Total Working Channels 19,714,345 20,506,219 21,152,075 21,782,557 22,227,572 22,495,633 21,786,411 20,997,868 20,239,795 19,291,809 18,052,604 Copper 18,478,770 18,896,376 19,082,995 19,216,231 19,135,507 18,993,978 18,124,703 17,272,552 18,147,879 17,221,055 15,038,891 Fiber Digital Carrier 1,235,575 1,609,843 2,069,080 2,566,326 3,092,065 3,501,655 3,661,708 3,725,316 2,091,916 2,070,754 3,013,713 Other 000000000 00 Other Transmission Facility Data: Copper Pairs Term Main Frame (Loop Plant Only) 28,217,638 28,693,470 28,970,660 29,303,138 29,605,539 30,212,004 29,938,625 30,208,945 30,632,552 30,761,065 30,795,573 Fiber Strands Term in the CO (Loop Plant Only) 79,661 103,648 123,302 141,621 165,171 205,342 275,069 300,927 248,340 265,087 283,612 Fiber Term at Customer Premises DS1 Rate 31,941 39,124 46,366 53,506 62,090 78,822 106,984 118,927 318,417 345,032 384,053 Fiber Term at Customer Premises DS3 Rate & Higher 3,192 3,874 4,453 5,145 5,788 7,188 9,583 10,810 26,849 35,916 41,763 ISDN Capable Lines NA NA NA 9,476,166 9,499,034 9,469,137 9,054,353 8,618,397 8,050,722 7,567,384 6,926,378 NA: Not available Source: ARMIS Report 43-07. Table 10.2 Transmission System Data AT&T Ameritech Companies 10 - 17 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 Sheath Kilometers: Total Sheath Kilometers 346,127 349,697 363,726 368,122 363,304 386,093 394,058 382,326 394,103 410,545 415,309 Copper 325,537 327,040 339,207 341,563 334,493 355,133 359,288 343,317 352,331 365,700 367,675 Fiber 19,472 21,513 23,375 25,416 27,648 29,797 33,227 37,466 40,279 43,342 46,131 Other 1,118 1,144 1,144 1,144 1,163 1,163 1,543 1,543 1,493 1,503 1,503 Interoffice Working Facilities: Total Circuit Links 2,646,904 2,240,779 3,369,967 3,760,855 4,352,282 5,032,433 5,141,975 4,792,666 4,649,070 4,410,421 4,297,813 Loop Plant -- Central Office Terminations: Total Equipped Channels 26,850,298 27,732,011 28,635,080 29,739,661 30,729,411 33,317,471 34,687,259 34,988,223 31,628,755 32,005,987 32,281,694 Copper 26,178,875 26,951,967 27,548,645 28,348,883 29,062,676 31,479,491 32,170,875 32,337,338 30,161,010 30,398,583 30,545,581 Fiber Digital Carrier 671,162 779,783 1,086,411 1,390,754 1,666,523 1,837,699 2,516,055 2,650,609 1,467,745 1,607,404 1,736,113 Other 261 261 24 24 212 281 329 276 0 0 0 Total Working Channels 16,877,850 17,719,765 18,254,128 20,103,518 20,963,786 23,081,376 22,773,561 22,080,915 17,868,331 17,311,070 16,684,641 Copper 16,448,199 17,212,991 17,569,012 19,235,044 19,936,233 21,930,468 21,380,638 20,803,417 17,070,393 16,430,928 15,733,399 Fiber Digital Carrier 429,536 506,657 685,092 868,450 1,027,425 1,150,752 1,392,728 1,277,338 797,938 880,142 951,242 Other 115 117 24 24 128 156 195 160 0 0 0 Other Transmission Facility Data: Copper Pairs Term Main Frame (Loop Plant Only) 24,619,462 25,055,625 25,412,880 25,953,289 26,639,408 27,102,231 27,403,873 27,620,878 27,668,068 27,754,848 27,851,112 Fiber Strands Term in the CO (Loop Plant Only) 34,692 37,156 88,192 97,385 101,516 115,670 139,598 182,250 49,626 51,419 53,554 Fiber Term at Customer Premises DS1 Rate 655 719 762 854 894 0 0 0 244,193 265,797 293,775 Fiber Term at Customer Premises DS3 Rate & Higher 4,047 3,113 6,145 7,432 9,456 13,132 16,805 19,925 23,252 29,988 40,059 ISDN Capable Lines NA NA NA 14,007,670 14,466,224 15,930,217 14,563,646 15,240,270 8,870,683 8,272,400 8,000,416 NA: Not available Source: ARMIS Report 43-07. Table 10.2 Transmission System Data AT&T Pacific Telesis Companies 10 - 18 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 Sheath Kilometers: Total Sheath Kilometers 74,926 78,301 78,634 79,230 77,061 77,869 78,719 Copper 67,136 68,830 68,582 68,786 66,119 66,717 67,166 Fiber 7,790 9,471 10,052 10,444 10,810 11,076 11,468 Other 00001327685 Interoffice Working Facilities: Total Circuit Links 150,024 700,958 701,243 720,401 843,381 781,235 788,726 Loop Plant -- Central Office Terminations: Total Equipped Channels 4,363,664 4,303,654 4,719,268 4,627,977 4,747,002 4,841,846 4,879,686 Copper 3,915,948 3,810,896 3,991,935 4,018,081 4,009,459 4,042,100 4,059,897 Fiber Digital Carrier 447,716 492,758 727,333 609,896 737,543 799,746 819,789 Other 00000 00 Total Working Channels 2,634,410 2,491,272 2,551,112 2,540,750 2,296,050 2,193,809 2,065,238 Copper 2,252,274 2,129,625 2,064,154 2,140,299 1,876,364 1,768,509 1,633,650 Fiber Digital Carrier 382,136 361,647 486,958 400,451 419,686 425,300 431,588 Other 00000 00 Other Transmission Facility Data: Copper Pairs Term Main Frame (Loop Plant Only) 3,790,592 3,810,896 4,108,736 3,892,983 3,860,982 3,869,497 3,882,583 Fiber Strands Term in the CO (Loop Plant Only) 40,427 40,777 60,062 89,466 24,006 26,986 28,476 Fiber Term at Customer Premises DS1 Rate 0 0 0 67,790 33,818 31,586 34,120 Fiber Term at Customer Premises DS3 Rate & Higher 00006,182 4,092 4,676 ISDN Capable Lines 250,896 317,994 384,431 398,824 1,049,395 990,236 915,442 NA: Not available Source: ARMIS Report 43-07. Table 10.2 Transmission System Data AT&T Southern New England Tel. 10 - 19 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 Sheath Kilometers: Total Sheath Kilometers 662,108 676,945 685,526 700,914 715,915 734,982 749,279 758,096 768,714 777,213 789,941 Copper 612,764 617,776 622,960 634,236 645,280 657,915 665,754 671,033 678,357 684,030 691,016 Fiber 47,530 57,228 60,561 66,074 70,023 76,442 82,893 86,431 89,725 92,549 98,293 Other 1,814 1,942 2,005 604 612 625 632 632 632 634 632 Interoffice Working Facilities: Total Circuit Links 2,583,685 2,887,611 3,374,225 4,013,947 5,040,973 5,747,378 6,133,750 6,011,924 6,248,497 6,238,881 6,079,908 Loop Plant -- Central Office Terminations: Total Equipped Channels 23,990,229 23,765,557 26,003,155 26,573,984 27,781,986 28,466,090 33,579,340 35,090,790 30,806,704 31,676,407 32,267,999 Copper 23,356,682 22,976,132 24,957,200 25,399,685 26,437,109 27,047,348 30,533,897 31,634,863 26,115,730 26,629,079 27,047,559 Fiber Digital Carrier 633,547 789,425 1,045,955 1,174,299 1,344,877 1,418,742 3,045,443 3,455,927 4,690,974 5,047,328 5,220,440 Other 000000000 00 Total Working Channels 15,917,610 16,579,937 16,305,661 17,626,797 17,857,937 18,053,445 16,482,996 15,888,373 15,236,915 14,528,841 13,592,535 Copper 15,376,311 15,937,288 15,532,286 16,738,819 16,854,720 16,970,439 15,386,074 14,767,650 12,653,096 11,827,658 10,930,772 Fiber Digital Carrier 541,299 642,649 773,375 887,978 1,003,217 1,083,006 1,096,922 1,120,723 2,583,819 2,701,183 2,661,763 Other 000000000 00 Other Transmission Facility Data: Copper Pairs Term Main Frame (Loop Plant Only) 21,990,829 22,185,268 22,926,817 22,904,300 23,579,244 24,032,521 24,062,333 24,290,865 24,407,172 24,749,958 24,958,917 Fiber Strands Term in the CO (Loop Plant Only) 124,026 189,365 193,409 206,178 158,881 256,736 329,584 388,011 161,950 172,172 183,440 Fiber Term at Customer Premises DS1 Rate 48,552 77,598 77,545 113,701 103,739 130,287 160,740 172,872 273,498 307,114 339,744 Fiber Term at Customer Premises DS3 Rate & Higher 2,733 4,365 5,039 5,615 1,995 3,668 4,523 4,828 20,354 26,529 33,048 ISDN Capable Lines NA NA NA 4,157,674 12,158,269 12,168,819 12,055,812 11,177,094 4,981,445 4,680,190 4,351,990 NA: Not available Source: ARMIS Report 43-07. Table 10.2 Transmission System Data AT&T Southwestern Bell Companies 10 - 20 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 Sheath Kilometers: Total Sheath Kilometers 973,148 979,664 992,970 1,008,405 1,022,395 1,038,094 1,046,999 1,080,551 1,088,452 1,095,801 1,119,400 Copper 872,797 871,984 873,583 876,739 879,768 886,323 886,147 912,134 914,932 917,525 918,542 Fiber 98,425 107,141 118,987 130,872 141,888 151,432 160,494 168,185 173,174 177,930 200,512 Other 1,927 539 401 794 739 339 357 232 346 346 346 Interoffice Working Facilities: Total Circuit Links 5,213,347 5,357,022 5,853,744 6,834,238 8,693,801 10,262,940 11,001,835 11,120,804 11,201,109 11,045,592 10,245,898 Loop Plant -- Central Office Terminations: Total Equipped Channels 90,107,803 77,287,239 80,327,245 99,291,295 107,609,086 118,262,278 132,282,141 83,370,102 81,140,923 83,703,872 74,494,204 Copper 65,663,036 65,333,981 66,426,101 69,763,421 69,783,996 70,380,468 71,028,549 65,274,338 64,992,904 65,921,886 63,212,555 Fiber Digital Carrier 24,444,767 11,953,258 13,901,144 29,527,874 37,825,090 47,881,810 61,253,592 18,095,764 16,148,019 17,781,986 11,281,649 Other 000000000 00 Total Working Channels 43,690,966 45,428,073 48,600,177 66,109,986 74,269,449 84,300,998 97,520,356 44,619,456 40,052,063 38,588,203 34,792,533 Copper 37,927,283 37,998,341 39,429,529 41,983,369 43,003,921 43,790,217 43,770,856 34,803,810 32,820,501 31,437,854 28,203,411 Fiber Digital Carrier 5,763,683 7,429,732 9,170,648 24,126,617 31,265,528 40,510,781 53,749,500 9,815,646 7,231,562 7,150,349 6,589,122 Other 000000000 00 Other Transmission Facility Data: Copper Pairs Term Main Frame (Loop Plant Only) 60,635,648 60,742,136 61,342,895 61,875,146 61,342,016 60,962,933 60,979,463 62,622,453 62,718,766 63,581,514 61,299,439 Fiber Strands Term in the CO (Loop Plant Only) 704,901 804,787 872,210 1,014,974 1,127,598 1,227,204 1,359,225 1,487,203 1,552,120 1,601,097 1,787,476 Fiber Term at Customer Premises DS1 Rate 78,266 103,307 131,829 192,129 246,434 314,204 612,368 21,723 21,693 22,149 231,749 Fiber Term at Customer Premises DS3 Rate & Higher 2,333 3,381 4,094 18,518 24,111 32,912 40,995 2,778 2,715 2,639 33,768 ISDN Capable Lines NA NA NA 40,648,786 47,596,665 38,205,741 35,587,450 34,658,178 33,659,351 31,478,816 27,823,308 NA: Not available Source: ARMIS Report 43-07. Table 10.2 Transmission System Data Verizon - Bell Atlantic Companies 10 - 21 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 Sheath Kilometers: Total Sheath Kilometers 1,127,943 1,248,505 1,268,110 1,290,068 1,312,437 1,041,353 1,053,450 938,012 946,019 967,564 942,888 Copper 1,065,667 1,177,702 1,188,835 1,203,101 1,219,257 959,596 965,586 856,090 859,017 863,698 840,527 Fiber 62,276 70,803 79,275 86,966 93,180 81,757 87,864 81,922 87,002 103,866 102,361 Other 000000000 00 Interoffice Working Facilities: Total Circuit Links 4,029,495 1,900,698 2,461,398 2,445,471 4,004,974 4,182,896 4,701,614 4,365,148 4,250,911 4,274,046 3,929,101 Loop Plant -- Central Office Terminations: Total Equipped Channels 29,164,999 30,128,527 30,278,580 31,455,009 42,599,694 44,228,437 44,158,765 42,082,287 40,826,357 38,442,967 25,548,399 Copper 27,326,198 28,146,972 27,709,878 28,240,814 29,880,881 28,232,406 26,443,750 24,631,902 22,051,252 17,578,663 21,610,765 Fiber Digital Carrier 1,833,845 1,978,522 2,559,245 3,209,964 12,715,677 15,994,041 17,713,874 17,449,464 18,774,264 20,864,304 3,937,634 Other 4,956 3,033 9,457 4,231 3,136 1,990 1,141 921 841 0 0 Total Working Channels 18,918,578 20,422,201 20,654,471 21,925,330 23,991,380 24,233,066 23,715,390 21,729,366 20,343,905 17,876,878 15,528,244 Copper 17,675,242 18,981,609 18,850,077 19,726,313 18,207,964 17,826,786 17,365,904 15,789,637 14,213,787 11,181,622 12,903,375 Fiber Digital Carrier 1,240,728 1,438,571 1,801,556 2,196,916 5,536,831 6,405,057 6,348,889 5,939,291 6,129,678 6,695,256 2,624,870 Other 2,608 2,021 2,838 2,101 246,585 1,223 597 438 440 0 0 Other Transmission Facility Data: Copper Pairs Term Main Frame (Loop Plant Only) 27,417,498 27,804,891 29,713,980 30,313,513 29,094,240 21,787,495 21,925,961 22,039,455 19,347,181 14,945,270 18,958,421 Fiber Strands Term in the CO (Loop Plant Only) 70,974 80,372 93,238 126,604 43,739 39,394 33,298 31,120 29,697 28,814 52,642 Fiber Term at Customer Premises DS1 Rate 11,488 16,469 23,480 4,846 11,316 289 214 172 169 173 5,979 Fiber Term at Customer Premises DS3 Rate & Higher 1,186 11,043 2,173 4,439 224 960 980 639 570 771 10,632 ISDN Capable Lines NA NA NA 13,732,469 16,265,613 18,031,436 12,148,900 11,606,200 15,742,902 10,128,737 11,238,149 NA: Not available Source: ARMIS Report 43-07. Table 10.2 Transmission System Data Verizon - GTE Companies 10 - 22