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Feature Reference
DS1 trunk service
Administrator’s Guide for Avaya Communication Manager
1515
November 2003
DS1 Circuit
Packs
# Trunk
Members
Bit Rate
Mbps
Companding
Signaling
Mode
Trunk Type
1
1.CO is any of the following trunk types: CO, FX, WATS.
Tie is any of the following trunk types: access, tie, tandem, RLT, APLT.
TN722
1-23
1.544
mulaw
common-chan
Tie, DMI-BOS,
CO
2
2.Common-channel DS1 circuit packs used in CO trunk groups must have a trunk type of auto.
1-24
robbed-bit
Tie
TN722B
1-23
1.544
mulaw
common-chan
Tie, DMI-BOS,
CO
2
1-24
robbed-bit
CO/DID/Tie
TN767D, E
3
3.Integrated CSU functionality is available only with the TN767D and TN464E or later-suffix DS1 circuit packs.
Enhanced ICSU functionality is available only with TN767E, TN464F, and later-suffix DS1 circuit packs.
1-23
1.544
mulaw
common-chan
Tie, DMI-BOS,
C0
2
1-24
robbed-bit
CO/DID/Tie
1-23 (24th
is D-chan)
isdn-pri
4
4.Mixed-mode signaling is allowed. This means that if the signaling mode is isdn-ext or isdn-pri, a port from that
circuit pack may be used in any trunk group that allows robbed-bit signaling.
ISDN
1-24
isdn-ext
4
ISDN
TN464B
5
5.The TN464B’s companding is based upon the system companding that you administer.
1-30
2.048
alaw/mulaw
6
6.ISDN-PRI calls are not guaranteed to work for the TN464B if the system’s companding is set to mu-law.
CAS
CO/DID/Tie
1-31
alaw
isdn-pri
4
ISDN
1-31
isdn-ext
4
ISDN
1-23
1.544
mulaw
common-chan
Tie, DMI-BOS,
CO
2
TN464C, D,
E, F
3
, and
TN2464
1-24
1-23 (24th
is D-chan)
1-31 (16th
is D-chan)
1-24
1-31
1-30
1.544
4
2.048
1.544
4
2.048
2.048
alaw/mulaw
alaw/mulaw
alaw/mulaw
robbed-bit
isdn-pri
4
isdn-ext
4
CAS
CO/DID/Tie
ISDN
ISDN
ISDN
CO/DID/Tie
TN2242
1-30
1-30
7
7.The administered D-channel on the DS1 screen for ISDN-PRI cannot be a trunk group member.
2.048
2.048
alaw/mulaw
alaw/mulaw
CAS
isdn-pri
Tie
ISDN