Symptom
When the IAD132E(T) is connected to the SoftX3000 using SIP, every call is disconnected after five minutes.
Cause
The possible cause is that SessionTimer is not enabled.
Solution
1.Run the display sip soft-parameter command to check whether SessionTimer is on.
1.If no, run the sip soft-parameter sessionTimer on command.
2.If yes, go to 2.
2.Contact Huawei technical support.
