Version 7.2 1089 Mediant 1000B Gateway & E-SBC
User's Manual 62. Configuration Parameters Reference
Parameter Description
General Call Control Behavior
configure voip > interface e1-t1|bri >
isdn-bits-cc-behavior
[ISDNGeneralCCBehavior]
Bit-field for determining several general CC behavior options.
To select the options, click the arrow button, and then for each
required option, select 1 to enable. The default is 0 (i.e.,
disable).
 [2] = Data calls with interworking indication use 64 kbps B-
channels (physical only).
 [8] REVERSE CHAN ALLOC ALGO = Channel ID
allocation algorithm.
 [16] = The device clears down the call if it receives a
NOTIFY message specifying 'User-Suspended'. A NOTIFY
(User-Suspended) message is used by some networks
(e.g., in Italy or Denmark) to indicate that the remote user
has cleared the call, especially in the case of a long
distance voice call.
 [32] CHAN ID 16 ALLOWED = Applies only to ETSI E1
lines (30B+D). Enables handling the differences between
the newer QSIG standard (ETS 300-172) and other ETSI-
based standards (ETS 300-102 and ETS 300-403) in the
conversion of B-channel ID values into timeslot values:
In 'regular ETSI' standards, the timeslot is identical to
the B-channel ID value, and the range for both is 1 to
15 and 17 to 31. The D-channel is identified as
channel-id #16 and carried into the timeslot #16.
In newer QSIG standards, the channel-id range is 1 to
30, but the timeslot range is still 1 to 15 and 17 to 31.
The D-channel is not identified as channel-
still carried into the timeslot #16.
When this bit is set, the channel ID #16 is considered
as a valid B-channel ID, but timeslot values are
converted to reflect the range 1 to 15 and 17 to 31. This
is the new QSIG mode of operation. When this bit is not
set (default), the channel_id #16 is not allowed, as for
all ETSI-like standards.
 [64] USE T1 PRI = PRI interface type is forced to T1.
 [128] USE E1 PRI = PRI interface type is forced to E1.
 [256] START WITH B CHAN OOS = B-channels start in the
Out-Of-Service state (OOS).
 [512] CHAN ALLOC LOWEST = CC allocates B-channels
starting from the lowest available B-channel id.
 [1024] CHAN ALLOC HIGHEST = CC allocates B-channels
starting from the highest available B-channel id.
 [16384] CC_TRANSPARENT_UUI bit: The UUI-protocol
implementation of CC is disabled allowing the application to
freely send UUI elements in any primitive, regardless of the
UUI-protocol requirements (UUI Implicit Service 1). This
allows more flexible application control on the UUI. When
this bit is not set (default behavior), CC implements the
UUI-protocol as specified in the ETS 300-403 standards for
Implicit Service 1.
 [65536] GTD5 TBCT = CC implements the VERIZON-GTD-
5 Switch variant of the TBCT Supplementary Service, as
specified in FSD 01-02-40AG Feature Specification
Document from Verizon. Otherwise, TBCT is implemented
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