Symptom
When a user uses a phone connected to IAD to talk with others, the user cannot hear others' voice after 5 to 10 minutes. Other users can hear the user's voice.
CausePhone fault
Peer device fault
Solution
icon-note.gif NOTE:The IAD configuration is correct when only one user encounters the problem.
Change a phone, and check whether the fault is rectified.
If yes, the procedure ends.
If no, go to 2.
Check the peer device.
Check whether the fault is rectified.
If yes, the procedure ends.
If no, go to 4.
Contact Huawei technical support.