Figure 55: show network-clocks sample output for locked clock source
Also, verify the status of the configured clock source by entering show module
configuration t1 for a T1 port and show interface bundle for an ISDN PRI or BRI
port.
Finally, verify that the configuration at both ends of the link matches.
Configuration of BRI, T1, or PRI port as clock source produces error
To configure a BRI, T1, or PRI port as the network clock source, the port must be configured
for voice. You cannot specify a data port as the clock source.
The following figure shows a T1 CAS port that can be used as the clock source.
Figure 56: show voice port summary sample output for CAS
The following figure shows a T1 PRI link in a voice bundle that can be used as the clock
source.
Troubleshooting a SIP Media Gateway problem
322 Troubleshooting August 2013
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