AT&T 7400 series Network Router User Manual


 
TRUNKING TERMS AND CAPABILITIES C-19
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SWITCH B
RECOMMENDED TRUNK OPTIONS — OTHER OPTIONS MAY WORK FOR
SOME APPLICATIONS; HOWEVER THESE OPTIONS SHOULD ALWAYS WORK.
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GROUP/CALL TYPE DIREC- SUPER- SIGNALING
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TION VISION
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GENERIC 2, GENERIC 1, 4 ESS 5ESS OTHER INCOMING OUTGOING
SYSTEM 85, OR SYSTEM 75
DIMENSION PBX "ALERTING" "ADDRESSING"
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E&M, Y 2W E&M DIAL-TONE WITH DELAY-DIAL
DTMF, (Note 6) WINK-START OR
WINK DELAY-DIAL
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E&M, Y 2W E&M DIAL-TONE WINK-START
DTMF, (Note 6) WINK-START OR
WINK DELAY-DIAL
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E&M, Y 2W E&M DIAL-TONE DELAY-DIAL
DTMF, WINK (Note 6) IMMED-START
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E&M, Y 2W E&M DIAL-TONE WINK-START
DTMF, WINK (Note 6) IMMED-START
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Y (Note 7) OUT GS
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Y (Note 7) OUT LS
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Y (Note 7) OUT E&M IMMED-START IMMED-START
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Y (Note 8) OUT E&M WINK-START WINK-START
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Y (EDSL) OUT Note 4 DMI-MOS
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Y (Note 8) IN GS
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Y (Note 8) IN E&M IMMED-START IMMED-START
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Y (Note 8) IN E&M WINK-START WINK-START
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Y (Note 8) IN LS
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Y (EDSL) IN Note 4 DMI-MOS
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Notes:
5. Trunk supervision may be a digital implementation (DMI-MOS) of the default type or any of the available "OPTIONAL" types.
6. For 5ESS CO connections, the trunk class should be PFLASH. The direction, supervision, and signaling should be optioned as
indicated. Addressing should match on an IN and OUT basis. That is to say, incoming addressing on one end should match
outgoing on the other end and vice-versa. The CO trunk group should be administered so as to provide Cut-Through Mode of
Operation.
7. Trunk class may be either PF or PFLASH.
8. Trunk class should be PFLASH.