Trunks
ISDN
Strata CTX Programming - Part 2: CTX WinAdmin Programming 04/03 6-23
Trunks
02 Protocol Select the ISDN protocol. Only Bearer capabilities specified by the protocol can
be entered in this field. The Initial value for ISDN Protocol corresponds to
information set in the hardware level.
Possible values: Nat’l ISDN (default), ETSI, TTC or Nat’l ISDN Nortel
National ISDN = North America, ETSI = England and TTC = Japan.
03 ILG ILG assignments must be made for basic ISDNs to process the calls being
received.
Possible values: 0~32 (CTX100), 0~50 (CTX670 Basic), 0~128 (CTX670 Exp),
(default = no value).
04 OLG OLG assignments must be made for basic ISDNs to process the calls being
originated.
Possible values: 0~32 (CTX100), 0~50 (CTX670 Basic), 0~128 (CTX670 Exp),
(default = no value).
06 Bearer Svc - Speech Enable speech capability. See Table 6-7 on page 6-24.
Possible values: Enable (default) or Disable
07 Bearer Svc - 3.1 KHz
Audio
Enable 3.1 KHz audio capability. See Table 6-7 on page 6-24.
Possible values: Enable (default) or Disable
08 Bearer Svc - 7 KHz
Audio
Enable 7 KHz audio capability. See Table 6-7 on page 6-24.
Possible values: Enable or Disable (default)
09 Bearer Svc -
Unrestricted 64K
Enable one of the unrestricted capabilities. See Table 6-7 on page 6-24.
Possible values: Enable (default) or Disable bearer capabilities for the channel
group.
Possible values: Enable (default) or Disable
10 Bearer Svc -
Unrestricted 56K
11 Bearer Svc -
Unrestricted 2x64K
12 Outgoing B Ch Select Select originating B Channel method.
Possible values:
• Explicit – Channel is indicated, and no alternative is acceptable.
• Preferred – (default) Channel is indicated, and any alternative is acceptable.
• Any Channel – Channel is indicated, and any channel is acceptable.
13 B Ch Selection Choose Idle B Channel selection method.
Possible values: Forward Cyclic, Backward Cyclic, Forward Terminal or
Backward Terminal (default = Backward Terminal)
• Select Forward Cyclic (from lowest number to highest number of B-channel).
• Select Backward Cyclic (from highest number to lowest number of B-channel).
• Select Forward Terminal for the lowest numbered B-channel.
Select Backward Terminal for the oldest number B-channel. (The High-High B-
channel selection)
FIELD DESCRIPTION
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