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Section 20. Troubleshooting Transcoder Issues > Transcoder Registration
Transcoder Registration
For transcoders to work, they must be correctly registered. You should check Cisco IOS and your Cisco Unified Communication Manager settings:
IOS: Make sure that the name matches by issuing the command show sccp ccm group number. Then, verify that the transcoder is not shut down. You should issue the no shutdown command.
UCM: The Cisco IP Voice Media Streaming Application Service might not be operating properly. Restart the service in Unified Serviceability.
Firewall: The firewalls must allow TCP port 2000 (SCCP) to pass through.
