Solution
Verify your network configuration settings.
Calls cannot be made
Condition
The line indicator flashes and an outgoing call cannot be made.
Solution
Check the SIP registration status, and make sure that the registration information is correct.
Cannot receive incoming calls after failover occurs
Condition
While you are on an active call, the primary Session Manager server goes down and failover
occurs. After you end the call, you can no longer receive incoming calls for several hours. You can
still make calls.
Cause
The line on Communication Manager remains busy. You cannot receive calls until the line on
Communication Manager is automatically released based on the timer expiration.
Solution
To prevent this issue from happening, perform the configuration outlined in
Calls cannot be made
October 2019
Installing and Administering the Avaya H229 Phone
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