TR 73576
`ISSUE A
`
`June 1993
`
`BellSouth Enhanced 911 for PBX/ALI Service
`Network Interface Specifications
`
`Technical
`Reference
`
`Intrado Ex. 1039 - 1
`
`

`

`TR 73576
`
`NOTICE
`
`This Technical Reference is published by BellSouth Telecommunications, Inc. anddescribes the Network Interface specifications for BellSouth Enhanced 911 to PBX (withALI capability) service. The offering of this service, in whole or in part, is subject toapproval by the appropriate regulatory bodies.BellSouth Telecommunications, Inc. reserves the right to revise this document for anyreason, including but not limited to, conformity with standards promulgated by variousgovernmental or regulatory agencies, utilization of advances in the state of the technicalarts, or the reflection of changes in the design of any equipment, techniques, orprocedures described or referred to herein. Liability to anyone arising out of use orreliance upon any information set forth herein is expressly disclaimed, and norepresentations of warranties, expressed or implied, are made with respect to the accuracyor utility of any information set forth herein.This document is not to be construed as a suggestion to any manufacturer to modify orchange any of it products, nor does this document represent any commitment byBellSouth Telecommunications, Inc. to purchase any product whether or not it providesthe described characteristics.Nothing contained herein shall be construed as conferring by implication, estoppel orotherwise, any license or right under any patent, whether or not the use of any informationherein necessarily employs an invention of any existing or later issued patent.If further information is required, please contact:Director - Transport Systems EngineeringBellSouth Telecommunications, Inc.1884 Data DriveBirmingham, Alabama 35244Copyright © 1993 BellSouth Telecommunications. All Rights ReservedPrinted in the U.S.A.
`
`Intrado Ex. 1039 - 2
`
`

`

`!(cid:31)(cid:1)(cid:12)(cid:8)5(cid:12)(cid:11)
`(cid:22)**+’(cid:1)(cid:14)(cid:2)(cid:1)(cid:23)+)’(cid:2)(cid:1)(cid:6)99(cid:8)
`
`(cid:6)E(cid:14)(cid:14)(cid:19)(cid:16)(cid:21)(cid:20)(cid:11) E(cid:15)(cid:11)(cid:5)(cid:15)(cid:7)E(cid:8) (cid:4)(cid:3)(cid:3)
`F(cid:16)(cid:18) (cid:17)(cid:6)(cid:24)(cid:2)(cid:5)(cid:14)(cid:12) (cid:19)E(cid:18)(cid:22)(cid:12)(cid:7)E
`(cid:15)E(cid:20)(cid:23)(cid:16)(cid:18)K (cid:12)(cid:15)(cid:20)E(cid:18)F(cid:5)(cid:7)E (cid:19)(cid:17)E(cid:7)(cid:12)F(cid:12)(cid:7)(cid:5)(cid:20)(cid:12)(cid:16)(cid:15)(cid:19)
`
`(cid:16)(cid:28)(cid:27)!(cid:18)(cid:27)!
`
`(cid:6)(cid:4)
`
`(cid:7)(cid:4)
`
`(cid:8)(cid:4)
`
`4(cid:4)
`
`5(cid:4)
`
`(cid:11)(cid:4)
`
`(cid:20)(cid:18)(cid:27)(cid:18)(cid:31)(cid:14)(cid:25) (cid:17)(cid:18) (cid:16)(cid:31)(cid:22)(cid:29)!(cid:22)(cid:28)(cid:27) (cid:28)(cid:19) (cid:18)(cid:31)#(cid:22)(cid:16)(cid:18)
`
`(cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4)
`
`(cid:17)(cid:18)(cid:19)(cid:22)(cid:27)(cid:22)!(cid:22)(cid:28)(cid:27) (cid:2) (cid:14)(cid:15)(cid:15)(cid:31)(cid:18)#(cid:22)(cid:14)!(cid:22)(cid:28)(cid:27) (cid:2) (cid:14)(cid:16)(cid:31)(cid:28)(cid:27)&(cid:26) (cid:14)(cid:27)(cid:17) &(cid:26)(cid:15)(cid:28)(cid:25)
`
`(cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4)
`
` (cid:18)(cid:31)#(cid:22)(cid:16)(cid:18) (cid:16)(cid:28)(cid:27)(cid:19)(cid:22)(cid:20)"(cid:31)(cid:14)!(cid:22)(cid:28)(cid:27)
`
`(cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4)
`
`(cid:19)(cid:22)(cid:20)"(cid:31)(cid:18) (cid:6) (cid:3) (cid:29)(cid:15)%(cid:5)(cid:14)(cid:25)(cid:22) !(cid:28) (cid:18)9(cid:6)(cid:6) !(cid:14)(cid:27)(cid:17)(cid:18)(cid:26) (cid:18)(cid:31)#(cid:22)(cid:16)(cid:18) (cid:16)(cid:28)(cid:27)(cid:19)(cid:22)(cid:20)"(cid:31)(cid:14)!(cid:22)(cid:28)(cid:27)
`
`(cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4)
`
`(cid:27)(cid:18)!$(cid:28)(cid:31)(cid:24) (cid:14)(cid:19)(cid:18)(cid:20)"(cid:14)(cid:31)(cid:17) (cid:2) (cid:31)(cid:28)"!(cid:22)(cid:27)(cid:20) (cid:14)(cid:27)(cid:17) !(cid:18) !
`
`(cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4)
`
`(cid:29)(cid:21)& (cid:22)(cid:16)(cid:14)(cid:25) (cid:17)(cid:18)!(cid:14)(cid:22)(cid:25) (cid:28)(cid:19) !(cid:21)(cid:18) (cid:22)(cid:27)!(cid:18)(cid:31)(cid:19)(cid:14)(cid:16)(cid:18)
`
`(cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4)
`
` (cid:22)(cid:20)(cid:27)(cid:14)(cid:25)(cid:22)(cid:27)(cid:20) (cid:29)(cid:31)(cid:28)!(cid:28)(cid:16)(cid:28)(cid:25)
`
`(cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4)
`
`(cid:19)(cid:22)(cid:20)"(cid:31)(cid:18) (cid:7) (cid:3) (cid:22)(cid:20)(cid:27)(cid:14)(cid:25)(cid:22)(cid:27)(cid:20) (cid:18)(cid:30)"(cid:18)(cid:27)(cid:16)(cid:18) $(cid:21)(cid:18)(cid:27) 9(cid:6)(cid:6) (cid:14)(cid:27)(cid:17) (cid:14)(cid:27)(cid:22) (cid:22)
` (cid:18)(cid:27)! (cid:19)(cid:31)(cid:28)(cid:26) (cid:14) (cid:29)(cid:15)% !(cid:28) (cid:14) (cid:15)(cid:18)(cid:25)(cid:25) (cid:28)"!(cid:21) (cid:18)9(cid:6)(cid:6) !(cid:14)(cid:27)(cid:17)(cid:18)(cid:26)
`(cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4)
`
`(cid:12)(cid:4)
`
`(cid:31)(cid:18)(cid:19)(cid:18)(cid:31)(cid:18)(cid:27)(cid:16)(cid:18)
`
`(cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4) (cid:4)
`
`(cid:6)
`
`(cid:6)
`
`(cid:8)
`
`(cid:8)
`
`4
`
`5
`
`(cid:12)
`
`9
`
`9
`
`(
`
`Intrado Ex. 1039 - 3
`
`

`

`TR(cid:1)73576
`Issue(cid:1)(cid:1)A(cid:2)(cid:1)June(cid:2)(cid:1)1993
`
`(cid:6)E(cid:14)(cid:14)(cid:19)(cid:16)(cid:21)(cid:20)(cid:11) E(cid:15)(cid:11)(cid:5)(cid:15)(cid:7)E(cid:8) (cid:4)(cid:3)(cid:3)
`
`F(cid:16)(cid:18) (cid:17)(cid:6)(cid:24)(cid:2)(cid:5)(cid:14)(cid:12) (cid:19)E(cid:18)(cid:22)(cid:12)(cid:7)E
`
`(cid:15)E(cid:20)(cid:23)(cid:16)(cid:18)K (cid:12)(cid:15)(cid:20)E(cid:18)F(cid:5)(cid:7)E (cid:19)(cid:17)E(cid:7)(cid:12)F(cid:12)(cid:7)(cid:5)(cid:20)(cid:12)(cid:16)(cid:15)(cid:19)
`
`1.
`
`GENERAL DESCRIPTION OF SERVICE
`
`1.1
`
`1.2
`
`1.3
`
`1.4
`
`1.5
`
`!/09 +5*;3,4: +,9*80),9 :/, 4,:=581 04:,8-(*, 96,*0-0*(:0549 -58 :/, 685+;*: (cid:22)4/(4*,+ (cid:17)(cid:11)(cid:11) -58 (
`(cid:30)(cid:19)%/(cid:18)(cid:26)(cid:25) 9,8<0*,(cid:8)
`(cid:25): +,9*80),9 :/, :8(493099054 */(44,2 685<0+,+(cid:6) :/, :8(493099054 6,8-583(4*,
`6(8(3,:,89 9;6658:,+(cid:6) (4+ :/, 04:,8-(*,9 (<(02()2,(cid:8) (cid:25): (295 +,9*80),9 :/, (++8,99 90.4(204. 685:5*52
`8,7;08,3,4:9(cid:8)
`
`!/09 +5*;3,4: 09 04:,4+,+ (9 ( .;0+, -58 :/59, 8,7;0804. (4 ;4+,89:(4+04. 5- :/, :,*/40*(2 (96,*:9 5-
`:/, (cid:30)(cid:19)%/(cid:18)(cid:26)(cid:25) 9,8<0*,(cid:8) (cid:25): +,-04,9 :/, 4,:=581 04:,8-(*, (4+ 90.4(204. 685:5*52 8,7;08,3,4:9 =/0*/ =022
`,49;8, *536(:0)020:? =0:/ :/, (cid:19),22 5;:/ (cid:22)(cid:17)(cid:11)(cid:11) 4,:=581(cid:8)
`
`!/, (cid:22)(cid:17)(cid:11)(cid:11) (cid:30)80<(:, (cid:19)8(4*/ (cid:22)>*/(4.,/(cid:18);:53(:0* (cid:26)5*(:054 (cid:25)+,4:0-0*(:054 (cid:4)(cid:30)(cid:19)%/(cid:18)(cid:26)(cid:25)(cid:5) ,8<0*, 685<0+,9 (
`(cid:30)(cid:19)% *;9:53,8(cid:6) 25*(:,+ 04 (4 (cid:22)(cid:17)(cid:11)(cid:11) 9,8<04. (8,((cid:6) =0:/ :/, ()020:? :5 5--,8 -;22 (cid:22)(cid:17)(cid:11)(cid:11) 9,8<0*, :5 0:(cid:3)9 9:(:054
`;9,89(cid:8) (cid:29)8+04(802?(cid:6) :/, 25*(:054 0+,4:0-0*(:054 04-583(:054 +0962(?,+ 54 ( (cid:30);)20* ,8<0*, (cid:18)49=,804.
`(cid:30)504: (cid:4)(cid:30) (cid:18)(cid:30)(cid:5) (::,4+(4: 9*8,,4 -58 ( *(22,8 -853 ( (cid:30)(cid:19)% 45: ,7;066,+ =0:/ :/09 9,8<0*, =022 ), ( )02204.
`58 9,8<0*, 4;3),8 (4+ (++8,99 5- :/, (cid:30)(cid:19)% (cid:4):/, 9:(:054 3(? ), ,>:,4+,+ :5 ( +0--,8,4: 68,309,9(cid:6)
`4583(22? 8,-,88,+ :5 (9 5--(cid:7)68,309, ,>:,490549(cid:5)(cid:8) !/09 04-583(:054 3(? 45: 04+0*(:, :/, (*:;(2 6/?90*(2
`25*(:054 -853 =/0*/ :/, *(22 09 62(*,+(cid:8) $0:/ :/, (cid:30)(cid:19)%/(cid:18)(cid:26)(cid:25) 9,8<0*, :/, A5--(cid:7)68,309,(cid:2) 25*(:054
`0+,4:0-0*(:054 04-583(:054 09 (<(02()2, :5 :/, (cid:30) (cid:18)(cid:30) =/,4 ( *(22,8(cid:6) ;904. ( *544,*:04. 9:(:054 5- :/, (cid:30)(cid:19)%(cid:6)
`+0(29 (cid:17)(cid:11)(cid:11)(cid:8)
`
`(cid:30)(cid:19)%/(cid:18)(cid:26)(cid:25) 9,8<0*, 685<0+,9 :/, (cid:30)(cid:19)% *;9:53,8 =0:/ (cid:22)(cid:17)(cid:11)(cid:11) :8;419 -853 :/,08 (cid:30)(cid:19)% (cid:4)0(cid:8),(cid:8)(cid:6) 680<(:, 9=0:*/(cid:5) :5
`:/, (cid:22)(cid:17)(cid:11)(cid:11) !(4+,3(cid:8) !5 ;:020@, :/09 9,8<0*,(cid:6) :/, (cid:30)(cid:19)% 3;9: ), *(6()2, 5- 9,4+04. :/, *(2204. 9:(:054(cid:3)9
`(cid:21)08,*:(cid:7)(cid:25)4(cid:7)(cid:21)0(2 (cid:4)(cid:21)(cid:25)(cid:21)(cid:5)(cid:11) :,2,6/54, 4;3),8 :5 :/, (cid:19),22 5;:/ (cid:22)(cid:17)(cid:11)(cid:11) 4,:=581 04 ( 96,*0-0,+
`(cid:27);2:0-8,7;,4*? (cid:4)(cid:27)(cid:23)(cid:5) (cid:18)++8,99 0.4(204. A685:5*52(cid:2)(cid:8) (cid:18) 2556 8,<,89,(cid:7))(::,8? :8;41 90302(8 :5 :/, 54,
`+,9*80),+ 04 (cid:18)(cid:28) (cid:25) !(cid:11)(cid:8)40(cid:14)(cid:7)(cid:11)(cid:17)(cid:16)(cid:17) (cid:2)(cid:25)4:,8-(*, ),:=,,4 (cid:20)(880,89 (4+ (cid:20);9:53,8 (cid:25)49:(22(:0549 (cid:7) (cid:18)4(25.
`#50*, (cid:24)8(+, =0:*/,+ (cid:18)**,99 ;904. (cid:26)556 (cid:31),<,89,(cid:7))(::,8? 0.4(204.(cid:2) 09 8,7;08,+(cid:8) $/02, :/, :8;41 09
`90302(8 :5 :/(: +,9*80),+(cid:6) 0: 09 04 :/, 566590:, +08,*:054 5- 56,8(:054 (cid:4)0(cid:8),(cid:8)(cid:6) :/, :8;41 09 9,0@,+ )? :/,
`*;9:53,8 049:,(+ 5- :/, ,4+ 5--0*,(cid:5)(cid:8)
`
`(cid:26)5*(:054 ;6+(:,9 :5 (cid:30)(cid:19)% 9:(:054 +(:( (8, 9;6620,+ :5 (cid:19),22 5;:/ )? :/, *;9:53,8 (9 8,7;08,+ )? 35<,9
`(4+ */(4.,9(cid:8) (cid:23)58 358, 04-583(:054 9,, (cid:19),22 5;:/ !(cid:31) (cid:15)(cid:12)(cid:14)(cid:15)(cid:15) A(cid:19),22 5;:/ (cid:22)4/(4*,+ (cid:17)(cid:11)(cid:11) (cid:23)02, !8(49-,8
` ?9:,3 (cid:4)(cid:23)! (cid:5) (cid:21)(:()(9, (cid:18)*:0<0:? ,8<0*, -58 (cid:30)(cid:19)%/(cid:18)(cid:26)(cid:25) (cid:20);9:53,8 (cid:28),:=581 (cid:25)4:,8-(*, 6,*0-0*(:0549(cid:2)&(cid:11)’(cid:8)
`!/, 3(44,8 (4+ -8,7;,4*? 04 =/0*/ :/,9, ;6+(:,9 (8, (**536209/,+ 09 4,.5:0(:,+ ),:=,,4 :/,
`*;9:53,8 (4+ (cid:19),22 5;:/(cid:8)
`
`NOTE 1:
`
`DID (s requ(red for compat(b(l(ty w(th th(s serv(ce.
`
`2.
`
`DEFINITIONS(cid:2) ABBREVIATIONS(cid:2) ACRONYMS AND SYMBOLS
`
`(cid:18)(cid:21)(cid:21)(cid:31)(cid:22) (cid:25)(cid:24)(cid:28)(cid:18)(cid:26)
`
`!/09 :,83 8,-,89 :5 :/, 90.4(29 ;9,+ :5 *54<,? *(22 +,9:04(:054
`04-583(:054(cid:6) 9;*/ (9 :,2,6/54, 9:(:054 *5+,(cid:6) *,4:8(2 5--0*, *5+,(cid:6) (4+
`(8,( *5+,(cid:8) 53, -5839 5- (++8,99 90.4(29 (8, *(22,+ 6;29,9(cid:6) ,(cid:8).(cid:8)(cid:6) (cid:21)0(2
`(cid:30);29,9 (cid:4)(cid:21)(cid:30)(cid:5) (4+ (cid:27);2:0-8,7;,4*? (cid:4)(cid:27)(cid:23)(cid:5) 6;29,9(cid:8)
`
`(cid:18)"!(cid:29)(cid:27)(cid:18)!(cid:25)(cid:20) (cid:28)"(cid:27)(cid:19)(cid:22)(cid:31)
`(cid:25)(cid:21)(cid:22)(cid:28)!(cid:25)(cid:23)(cid:25)(cid:20)(cid:18)!(cid:25)(cid:29)(cid:28) (cid:4)(cid:18)(cid:28)(cid:25)(cid:5)
`
`!/, :,83 +,45:,9 :/, (;:53(:0* 0+,4:0-0*(:054 5- :/, *(2204.
`9:(:054 (cid:4)0(cid:8),(cid:8)(cid:6) +08,*:58? 4;3),8(cid:5)(cid:8) !/09 6(8:? 09 68,9;3,+ :5 ), (4 ,4+
`;9,8 5- ( (cid:30)(cid:19)% 5--,804. (cid:22)(cid:17)(cid:11)(cid:11) *(6()020:0,9(cid:8)
`
`Page(cid:1)1
`
`Intrado Ex. 1039 - 4
`
`

`

`TR(cid:1)73576
`
`CALLED NUMBER
`
`The term is the telephone number originally dialed by the calling
`party(cid:8)
`
`CENTRALIZED
`AUTOMATIC MESSAGE
`ACCOUNTING (cid:4)CAMA(cid:5)
`
`CENTRAL OFFICE (cid:4)CO(cid:5)
`
`CUSTOMER
`
`KEY PULSE (cid:4)KP(cid:5)
`
`START PULSE (cid:4)ST(cid:5)
`
`LOOP REVERSE
`(cid:7)BATTERY
`
`MF PULSING
`
`ON(cid:7)HOOK
`
`OFF(cid:7)HOOK
`
`PRIVATE BRANCH
`EXCHANGE (cid:4)PBX(cid:5)
`
`The term is an arrangement that provides for the recording of
`detailed billing information at a centralized location other than
`an end office(cid:6) usually a tandem office(cid:8) CAMA equipment also may
`be associated with operator systems(cid:6) etc(cid:8)
`
`The term usually used to refer to a local switching system that
`connects lines and trunks(cid:8) Sometimes it is used to refer to a
`telephone company building in which switching system and
`telephone equipment are installed(cid:8)
`
`The term is the party which has contracted with BellSouth to
`purchase Enhanced 911 capabilities for use with a PBX(cid:8)
`
`The term refers to a signal that indicates the start of a field of
`information(cid:8)
`
`The term refers to a signal that indicates the end of a field of
`information(cid:8)
`
`A method of signaling over trunks in which direct current (cid:4)dc(cid:5)
`changes(cid:6)
`including directional changes associated with battery
`reversal(cid:6) are used for supervisory states(cid:8) This technique provides
`2(cid:7)way signaling on 2(cid:7)wire trunks; however(cid:6) a trunk can be seized
`at only one end (cid:7) it cannot be seized at the switching system at which
`battery is applied(cid:8) It is also called reverse(cid:7)battery signaling(cid:8)
`
`The term refers to the information communicated over telephone
`trunks by various combinations of two of five frequencies in the
`voiceband(cid:8)
`Signals
`for control
`functions are provided by
`combinations using a sixth frequency(cid:8)
`
`The term refers to a supervision condition indicating that the
`equipment is in the idle state(cid:8) It is used as a supervisory signal to
`indicate an idle circuit/trunk(cid:2)(cid:8)
`The terms on(cid:7)hook(cid:2) and
`off(cid:7)hook(cid:2) are derived from supervisory conditions that exist in a
`customer(cid:3)s loop(cid:8)
`
`The term refers to a supervision condition indicating that the
`equipment is in(cid:7)use or a request(cid:7)for(cid:7)service state(cid:8) It is used as a
`supervisory signal to indicate a busy circuit/trunk(cid:2)(cid:8) The terms
`on(cid:7)hook(cid:2) and off(cid:7)hook(cid:2) are derived from supervisory
`conditions that exist in a customer(cid:3)s loop(cid:8)
`
`The term refers to an assemblage of equipment that allows an
`individual within a community of users to originate and answer calls
`to and from the public network (cid:4)via CO trunks(cid:6) Wide Area
`Telephone Service (cid:4)WATS(cid:5) trunks(cid:6) and Foreign Exchange (cid:4)FX(cid:5)
`trunks(cid:5)(cid:6) a private network(cid:6) another PBX (cid:4)tie trunks(cid:5)(cid:6) special service
`trunks(cid:6) and other users (cid:4)PBX lines(cid:5) within the community(cid:8) In the
`case of PBX/ALI service the PBX would use special CAMA(cid:2) trunks
`to the E911 Tandem(cid:8)
`
`Page(cid:1)2
`
`Intrado Ex. 1039 - 5
`
`

`

`Iss(cid:1)A,(cid:1)TR(cid:1)73576
`
`PUBLIC SAFETY
`ANSWERING POINT
`(cid:4)PSAP(cid:5)
`
`SEIZURE
`
`TRUNK
`
`WINK
`
`The term refers to an agency or facility that is designated and
`authorized to receive and respond to emergency 911 calls
`requiring one or more public services such as police(cid:6) fire(cid:6) and/or
`ambulance services(cid:8) Any agency(cid:6) or a group of agencies(cid:6) may be
`designated a PSAP(cid:8)
`
`The term refers to a service condition indicating a call for service(cid:2)(cid:8)
`It is indicated by an off(cid:7)hook(cid:2) signal and the absence of any
`connection to another circuit/trunk(cid:2)(cid:8)
`
`to a
`refers
`term in a telecommunications network(cid:6)
`This
`communication path connecting two switching systems used in the
`establishment of an end(cid:7)to(cid:7)end connection(cid:8)
`
`This term refers to a short duration off(cid:7)hook(cid:2) signal from the
`network used to instruct the PBX to forward the called number(cid:8)
`
`3.
`
`SERVICE CONFIGURATION
`
`3.1
`
`Figure 1 illustrates a PBX/ALI service configuration where a customer has multiple station locations
`on different premises and these premises would be served by different PSAP locations(cid:8) The BellSouth
`E911 Tandem will selectively route a PBX user(cid:3)s 911 call to the appropriate PSAP based on the ANI
`sent by the PBX(cid:8)
`
`LOC(cid:1)A
`
`(ON-PREMISE)
`
`CUSTOMER
`NETWORK
`INTERFACE
`
`MAIN
`
`PBX
`
`E911
`
`TANDEM
`
`PBX/ALI(cid:1)TRUNKS
`
`(MINIMUM(cid:1)2)
`
`BELLSOUTH
`E911
`NETWORK
`
`PSAP
`FOR
`LOC(cid:1)A
`
`ALI
`
`DATABASE
`
`PSAP
`FOR
`LOC(cid:1)B
`
`LOC(cid:1)B
`
`(OFF-PREMISE)
`
`where:
`
`PSAP(cid:1)=(cid:1)Public(cid:1)Safety(cid:1)Answering(cid:1)Point
`
`ALI(cid:1)=(cid:1)Automatic(cid:1)Location(cid:1)Identification
`
`LOC(cid:1)A(cid:1)=(cid:1)Main(cid:1)PBX(cid:1)and(cid:1)On-Premise(cid:1)Stations
`
`LOC(cid:1)B(cid:1)=(cid:1)Off-Premise(cid:1)PBX(cid:1)Stations
`
`Page(cid:1)3
`
`Intrado Ex. 1039 - 6
`
`

`

`TR(cid:1)(cid:12)(cid:8)5(cid:12)(cid:11)
`
`(cid:8)(cid:4)(cid:7)
`
`(cid:8)(cid:4)(cid:8)
`
`F(cid:22)GURE (cid:6) (cid:3) PBX(cid:5)AL(cid:22) TO E9(cid:6)(cid:6) TANDEM SERV(cid:22)CE CONF(cid:22)GURAT(cid:22)ON
`
`The PBX/ALI service is only provided in areas which BellSouth already offers E911.
`
`Private dedicated trunks installed between the PBX and a BellSouth E911 Tandem provide the
`transport for E911 calls dialed by stations served by the PBX. The customer is required to install a
`minimum of two private 911 trunks. BellSouth will, upon request, assist the customer in determining
`if additional E911 trunks should be installed.
`
`4(cid:4)
`
`NETWORK SAFEGUARDS(cid:2) ROUT(cid:22)NG AND TESTS
`
`NETWORK (cid:22)NTEGR(cid:22)TY
`
`4(cid:4)(cid:6)(cid:4)
`
`4(cid:4)(cid:7)(cid:4)
`
`4(cid:4)(cid:8)
`
`4(cid:4)4
`
`4(cid:4)5
`
`4(cid:4)(cid:11)
`
`4(cid:4)(cid:12)
`
`4(cid:4)8
`
`Because of the urgent nature of any 911 call and due to the constant need to guard against harm or
`misuse of the Public Switched Network as well as the E911 Network, BellSouth places certain
`restrictions and requirements on the Private Branch Exchange/Automatic Location Identification
`(PBX/ALI) service. It is not the intention of BellSouth to impede any customer from utilizing this
`service, but to ensure that those who do comply with these requirements will gain full E911 service
`without jeopardizing the safety of the network.
`
`TRAFF(cid:22)C ROUT(cid:22)NG RESTR(cid:22)CT(cid:22)ONS
`
`The dedicated trunks between a PBX and the BellSouth E911 Network are designed to carry only
`customer originated 911 traffic and will terminate that traffic only at the appropriate Public Safety
`Answering Point (PSAP). Due to the nature of the E911 network and to prevent fraudulent use of the
`network, BellSouth will not complete calls to other destinations should the PBX mistakenly route them
`to these trunks.
`
`The PBX must be able to differentiate 911 calls from other traffic and route only 911 calls to these
`trunks. All other calls must continue to be routed by the PBX to regular outbound trunks. Should a
`non-911 call, with no or incorrect MF protocol, be delivered by the PBX to these trunks in error, the
`call would reach a reorder tone from the BellSouth E911 Tandem.
`
`PRE(cid:3)SERV(cid:22)CE TESTS
`
`To ensure that the PBX/ALI service is functional and prevent harm to the E911 and Public Switched
`Network, tests between the customer and BellSouth will be conducted prior to final service turn-up.
`These tests will confirm that appropriate MF signaling protocol is received by BellSouth E911 Network
`and correct routing from the PBX is operational.
`
`(cid:22)N(cid:3)SERV(cid:22)CE ROUT(cid:22)NG PROBLEMS
`
`To safeguard the BellSouth E911 and Public Switched Network the following guidelines will be followed
`when problems with PBX routing arise.
`
`If a PBX routes a non-911 call in error but delivers the correct MF signaling protocol to a BellSouth
`E911 Tandem, the system will deliver the call to the appropriate PSAP based on the Automatic Number
`Identification (ANI) transmitted by the PBX.
`
`incorrect
`instances of
`report
`shall
`The caller
`telecommunications manager/administrator.
`
`routing to the E911 trunks
`
`to their PBX
`
`BellSouth will work with a customer to confirm that a routing problem has been corrected. Should such
`misrouting continue, BellSouth will suspend PBX/ALI service until tests conducted jointly between
`
`Page(cid:1)4
`
`Intrado Ex. 1039 - 7
`
`

`

`BellSouth, the customer, and the Public Service Agency serving the customer area confirm that routing
`problems have been corrected. If routing problems can not be proven corrected, the PBX/ALI service
`will be terminated.
`
`Iss(cid:1)A(cid:2)(cid:1)TR(cid:1)73576
`
`Page(cid:1)5
`
`Intrado Ex. 1039 - 8
`
`

`

`TR(cid:1)73576
`
`5.
`
`PHYSICAL DETAILS OF THE INTERFACE
`
`GENERAL
`
`5.1
`
`5.2
`
`5.3
`
`5.4
`
`5.5
`
`5.6
`
`5.7
`
`5.8
`
`5.9
`
`The interface between the PBX/ALI equipment and the BellSouth E911 Tandem may be either a
`2-wire analog interface or a digital (1.544 Mb/s) interface. Sections on Connectors(cid:2) and DC
`Signaling(cid:2) describe the 2-wire analog interface.
`
`implementation refer to ANSI/EIA/TIA-464-A-1989 PBX
`For information on the digital
`Switching Equipment for Voiceband Applications(cid:2)[3].
`In this case, supervisory signals such as
`on-hook(cid:2), off-hook(cid:2) and wink(cid:2) are encoded into A & BSignaling States. This signaling shall
`comply with the DPO tie trunk described on Table 22, Summary of A & B Signaling States(cid:2), of the
`TIA-464-A document. AC signals shall be encoded using the (cid:2)-255 Law described in the same TIA
`document.
`
`Sections on AC Signaling(cid:2) and MF Transmitter Requirements(cid:2) apply to both the analog and digital
`interfaces.
`
`CONNECTORS
`
`The interface connector shall be any of the following 2-wire connectors: RJ11C, RJ11W, RJ14C,
`RJ14W, RJ14X, RJ15C, RJ21X, RJ25C or RJ61X. For more information on these connectors see
`Committee T1 Technical Report #5[2].
`
`DC SIGNALING
`
`General - The Network shall provide a nominal -48 VDC (-42.75 to - 56.5 VDC with respect to
`ground) on one conductor and ground on the other conductor. The sum of the battery and ground feed
`resistances shall be between 360 (cid:1) and 3000 (cid:1). The PBX shall provide a minimum resistance to ground
`(from either tip or ring) of 5,000,000 (cid:1).
`
`On-Hook - The Network shall signal on-hook(cid:2) by providing nominal -48 VDC on the ring and
`ground on the tip. The PBX shall signal on-hook(cid:2) by providing a minimum of 5,000,000 (cid:1) between
`the tip and the ring.
`
`Off-Hook - The PBX shall signal off-hook(cid:2) by providing a maximum 670 (cid:1) resistance between the
`tip and the ring. The Network shall signal off-hook(cid:2) by providing (cid:2)battery-reversal(cid:2) (i.e., nominal
`-48 VDC on the tip and ground on the ring). The PBX shall be capable of recognizing such a reversal
`through up to 3000 (cid:1) of resistance external to the PBX, and with the minimum network battery voltage.
`
`Wink - The term wink(cid:2) refers to a short duration (140 to 290 milliseconds) off-hook(cid:2) from the
`network preceded and followed by on-hook(cid:2).
`
`AC SIGNALING
`
`The transmission of ANI information from a PBX capable of providing ANI to a BellSouth E911
`Tandem shall be done by using Multifrequency (MF) pulsing. If the user interface is digital, MF pulses,
`as well as other AC signals, shall be encoded per the (cid:2)-255 Law convention.
`
`Page(cid:1)6
`
`Intrado Ex. 1039 - 9
`
`

`

`Iss(cid:1)A(cid:2)(cid:1)TR(cid:1)7(cid:8)576
`
`5(cid:4)(cid:6)0
`
`The Multifrequency (cid:4)MF(cid:5) Pulsing system consists of transmitting and receiving equipment for
`communicating call set up information over telephone trunks by various combinations of two, and only
`two, of five precise frequencies in the voiceband. Each combination of two frequencies represents a
`pulse and each pulse represents a digit. The pulses are sent over the regular talking trunks. MF
`receivers detect the pulses and transfer the digit information to switching control equipment and or
`data collections systems. MF pulsing is used to transmit called and calling number (cid:4)ANI(cid:5) information
`from a PB% to a BellSouth E9(cid:11)(cid:11) Tandem.
`
`5(cid:4)(cid:6)(cid:6)
`
`The MF system transmits numerical information and control signals. Pulses for the control signals are
`provided by combinations of tones using a sixth frequency. The six frequencies provide fifteen possible
`2-frequency combinations and are spaced 200 Hertz apart.
`
`5(cid:4)(cid:6)(cid:7)
`
`The six frequencies are 700, 900, (cid:11)(cid:11)00, (cid:11)300, (cid:11)500 and (cid:11)700 Hz. Shown below is Table (cid:11), which identifies
`the frequency combinations that form the various digits and control functions for the MF pulsing code.
`
`Freque)cies i) HZ
`
`Digit a)d
`
`Expa)ded
`
`CCITT
`
`TSPS
`
`Co)trol
`
`I)ba)d
`
`Equal Access
`
`SIGNALS
`
`700 + 900
`
`700 + (cid:11)(cid:11)00
`
`700 + (cid:11)300
`
`700 + (cid:11)500
`
`700 + (cid:11)700
`
`900 + (cid:11)(cid:11)00
`
`900 + (cid:11)300
`
`900 + (cid:11)500
`
`900 + (cid:11)700
`
`(cid:11)(cid:11)00 + (cid:11)300
`
`(cid:11)(cid:11)00 + (cid:11)500
`
`(cid:11)(cid:11)00 + (cid:11)700
`
`(cid:11)300 + (cid:11)500
`
`(cid:11)300 + (cid:11)700
`
`(cid:11)500 + (cid:11)700
`
`(cid:11)
`
`2
`
`4
`
`7
`
`3
`
`5
`
`8
`
`6
`
`9
`
`KP
`
`O
`
`ST
`
`Coin Collect
`
`Ringback
`
`Code (cid:11)(cid:11)
`
`ST3P(cid:4)ST(cid:2)(cid:3)(cid:5)
`
`Operator Released
`
`Code (cid:11)2
`
`STP(cid:4)ST(cid:3)(cid:5)
`
`Coin Return
`
`KP(cid:11)
`
`Operator Attached
`
`Coin Collect
`Operator Released
`
`KP2
`
`ST2P(cid:4)ST(cid:2)(cid:5)
`
`ST
`
`MF TRANSMITTER REQUIREMENTS
`
`TABLE (cid:6) (cid:3) MULTIFREQUENCY CODE SYSTEM
`
`5(cid:4)(cid:6)(cid:8) $hen the PB% detects the appropriate DC start signal, it should transmit the required MF signals. The
`start of outpulsing should be delayed as little as possible, but it is desirable that the delay be not less
`than 50 milliseconds (cid:4)ms(cid:5) under normal conditions.
`
`Page(cid:1)7
`
`Intrado Ex. 1039 - 10
`
`

`

`!(cid:31)(cid:1)73576
`
`5.14
`
`The transmitter and its signal should meet the following requirements:
`
`(cid:1)
`
`(cid:1)
`
`(cid:1)
`
`The two frequencies of each code should start and end within 1 ms of each other.
`The power output per frequency should be -7 ±1 d(cid:19)m (measured at the Network Interface (NI)).
`
`There should not be over 1.0 d(cid:19) difference between the powers of the two frequencies of any code.
`
`(cid:1)
`
`(cid:1)
`
`(cid:1)
`
`The total power of extraneous signal components should be at least 30 d(cid:19) below the power level
`of either frequency of the code.
`The KP signal length should be 90 to 120 ms.
`The ST and digit signal lengths should each be 58 to 75 ms.
`The interval between signals should be 58 to 75 ms.
`The frequencies should be within ±1.5 percent of stated nominal values.
`The transmitter should have 600 (cid:1) nominal impedance.
`(cid:1) During tone off periods transmitted power at any MF frequency should not exceed -58 d(cid:19)m.
`
`(cid:1)
`
`(cid:1)
`
`(cid:1)
`
`6.
`
` IGNALING P(cid:31)O!OCOL
`
` IGNALING FO(cid:31)MA!
`
`6.1
`
`6.2
`
`6.3
`
`6.4
`
`This section presents information on the protocol used by the P(cid:19)X and the Network to furnish
`(cid:18)utomatic Number Identification ((cid:18)NI) to the (cid:19)ellSouth Network. (cid:18)NI is required for the provision
`of E911 features for a PS(cid:18)P.
`
`(cid:18)utomatic Number Identification ((cid:18)NI) means that the calling party's station telephone number, also
`referred to as directory number (DN), can be identified by a switch or P(cid:19)X, and passed on to another
`switch or data system. Generally this data is for use in routing or billing a call. In the context of this
`reference, it is assumed that the P(cid:19)X planning to provide E911 service features has the capability to
`provide (cid:18)NI to the (cid:19)ellSouth E911 Tandem.
`
`(cid:18)long with the calling telephone number, the P(cid:19)X must be capable of passing an (cid:18)NI Information (I)
`digit(s). Traditional signaling requires one (1) digit, while expanded signaling requires two (2) digits.
`(cid:18)t this time, (cid:19)ellSouth will require only the traditional signaling, single information digit, be used. See
`Table 2 for values of I applicable to this service.
`
`The P(cid:19)X must also have the capability to recognize an (cid:18)NI request signal sent back to it from the
`(cid:19)ellSouth E911 Tandem, directly after the P(cid:19)X has sent a KP (Key Pulse) signal, the called telephone
`number (i.e 911), and an ST (Start Pulse) signal.
`
`I" digit is an Information digit. It has th’ following m’anings in th’ B’ll outh n’twork usag’.
`
`Information Digit (I)
`Automatic Id’ntification (AI)
`0 (num’rical z’ro)
`Id’ntification Failur’ (IF)
`2
`
`wh’r’:
`AI - Automatic Id’ntification of th’ calling numb’r has b’’n don’ in th’ originating PBX,
`7- digit calling (dir’ctory) numb’r (NNX-XXXX) will follow.
`IF - An Id’ntification Failur’ has occurr’d in th’ originating PBX.
`KP - K’y Puls’ signal indicat’s th’ start of a fi’ld of information.
` ! - tart signal indicat’s th’ ’nd of a fi’ld of information.
`
`th’
`
`NOTE:
`
`Primed start (ST) pulses, though not required by these formats, are accepted as start pulses by the E911 Tandem.
`
`Table 1 shows various examples of primed ST pulses.
`
`Pag’(cid:1)8
`
`Intrado Ex. 1039 - 11
`
`

`

`Iss(cid:1)A(cid:2)(cid:1)TR(cid:1)73576
`
`TABLE 2 (cid:3) INFORMATION DIGIT CODING
`
`CALL SEQUENCE
`
`6(cid:4)5
`
`6(cid:4)6
`
`6(cid:4)7
`
`6(cid:4)8
`
`6(cid:4)9
`
`The call sequence for providing E911 service from a PBX to a BellSouth E911 Tandem is shown in
`Figure 2 at the end of this section(cid:8)
`
`The PBX goes off(cid:7)hook(cid:2) to signal a service request(cid:2)(cid:8) When the Network detects the off(cid:7)hook(cid:2)(cid:6)
`it sends a wink(cid:2)(cid:6) signaling the PBX that it is ready to accept the called number from the PBX user(cid:8)
`After the PBX sends KP+911+ST(cid:2)(cid:6) the E911 Tandem sends a steady(cid:7)state off(cid:7)hook(cid:2) signal after
`receiving the called number(cid:8) This is the request for the ANI outpulsing of the calling number(cid:8) The ANI
`request signal (off(cid:7)hook(cid:2))(cid:6) also used as a supervisory signal(cid:6) persists until after the calling party
`disconnects or until 11 to 1(cid:12) seconds after the called party disconnect is received at the E911 Tandem
`office(cid:8) It is desirable that the ANI request signal be detected as soon as possible by the PBX(cid:6) but it
`should be differentiated from off(cid:7)hook(cid:2) hits(cid:8) On MF pulsing to a BellSouth E911 Tandem(cid:6) the
`off(cid:7)hook(cid:2) from the E911 Tandem can be returned to the sending PBX as soon as the ST pulse is
`recognized by the E911 Tandem(cid:8) As a result(cid:6) the off(cid:7)hook(cid:2) can arrive at the sending PBX while the
`ST pulse is still being sent(cid:8)
`
`The off(cid:7)hook(cid:2) indication sent(cid:6) by the E911 Tandem(cid:6) signals the sending PBX to start outpulsing the
`ANI information(cid:8) There is no requirement for a delay between the receipt of the (cid:2)off(cid:7)hook(cid:2) start dial
`by the PBX and its sending of the KP pulse of the ANI information(cid:8) However(cid:6) it is good practice to
`have a minimum delay of (cid:14)0 milliseconds between these two signals to permit the transients associated
`with the off(cid:7)hook(cid:2) start(cid:7)dial signal to dissipate before the first MF pulse is sent(cid:8)
`
`When the calling party disconnects first(cid:6) the PBX sends an on(cid:7)hook(cid:2) signal