No Prompt Tone Can Be Heard When a Phone Connected to the IAD Is Picked Up; When a User Dials the Number of the Phone, an Announcement Is Played, Indi

Symptom

No prompt tone can be heard when a phone connected to the IAD is picked up; when a user dials the phone, an announcement is played, indicating that the phone is on a call.

Possible Cause

The possible cause is that the port is faulty.

Solution

1. View the port registration status and port status.
   1. Run thedisplay sip attributeportcommand to view the port registration status.
   2. Run thedisplay pstnport state allcommand to view the port status.

   The port is registered properly, but is in the locked state.

2. Replace the IAD with an IAD that is running properly, and check whether the fault is rectified.
   • If yes, the IAD board is faulty. Replace the IAD board.
   • If no, go to step3.

3. Contact your service provider for assistance