This part only applies for S-Series.
Symptom: It’s codec translation failure. For example, if you fail to call from the Linkus client to the IP phone. But you are able to call between the Linkus clients.
Execute the command: core show translation in the Asterisk CLI, to see if it includes the G729, iLBC codec in the list.
Logging: (If you can’t resolve the issue, please submit the following information to Yeastar)
Post us the test result of the check list.
Post us the System Log.