Cisco WS C4224V 8FXS - 200Mbps Ethernet Switch Software Configuration Manual page 140

T1/E1 Configuration (H.323)
b.
c.
d.
Configure parameters for the voice interface.
Step 2
a.
b.
c.
After completing these steps, configure the route pattern and dial plan and
Note
save your configuration, as described in
section on page
Catalyst 4224 Access Gateway Switch Software Configuration Guide
5-32
Specify which end of the circuit provides clocking.
c4224(config-controller)# clock source line
The clock source should be set to use internal clocking only for testing the
network or if the full T1 line is used as the channel group. Only one end of
the T1 line should be set to internal.
Specify the framing type.
c4224(config-controller)# framing esf
Specify the line code format.
c4224(config-controller)# linecode b8zs
Specify the PRI group and time slots to be mapped.
c4224(config-controller)# pri-group timeslots 1-24
For multiflex trunk interfaces, only channel 0 can be configured.
Configure each pri-group as a virtual serial interface.
c4224(config-controller)# interface serial 1/0:15
Specify the T1 interface, unit number, and channel group to modify, as in the
following example input:
interface Serial pri-group
no ip address
no logging event link-status
isdn switch-type primary-5ess
isdn incoming-voice voice
no cdp enable
5-16.
Chapter 5 Configuring the Voice Interfaces
"H.323 Gateway Configuration"
OL-2031-02