Avaya Communication Manager Administrator's Manual page 1126

Screen Reference
Route Pattern
BCC Value
Bearer Capability Class (BCC) identifies the type of call appropriate for this trunk group, such as voice
calls and different types of data calls. This field appears when the
y on the System-Parameters Customer-Options screen.
Valid entries
y/ n
The following table explains BCC values:
BCC Value
0
1
2
3
4
W
BCIE (Bearer Capability Information Element)
Use BCIE to determine how to create the ITC codepoint in the setup message. This field applies to ISDN
trunks and appears if ITC is both.
Valid entries
ept (endpoint)
unr (unrestricted)
CA-TSC Request
Use CA-TSC on ISDN B-channel connections.
Valid
entries
as-needed
at-setup
none
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Usage
Enter y in appropriate BCC column (0, 1, 2, 3, 4, or W) if the BCC
is valid for the associated route pattern. A trunk group preference
may have more than one BCC.
Description
Voice-Grade Data and Voice
56-kbps Data (Mode 1)
64-kbps Data (Mode 2)
64-kbps Data (Mode 3)
64-kbps Data (Mode 0)
128 to 1984-kbps Data (Wideband)
Usage
Usage
The CA-TSC is set up only when needed. This causes a slight delay.
Avaya recommends this entry for most situations.
The CA-TSC is automatically set up for every B-channel call whether
or not it is needed.
No CA-TSC is set up. Permits tandeming of NCA-TSC setup
requests0.
Administrator's Guide for Avaya Communication Manager
ISDN-PRI or ISDN-BRI Trunks
November 2003
field is