eSpace IAD
Troubleshooting
2 Analy zing and Rectify ing Faults
Issue 02 (2012-02-29)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
27
2.1.23 Phones Connected to the IAD Cannot Make Calls to
Numbers Starting with 800
Symptom
Network: IAD-ZTE softswitch.
Phones connected to the IAD can make calls to other phone numbers except numbers starting
with 800.
Cause
The possible cause is that the digitmap does not match.
Solution
Step 1
Capture IAD network packets and obtain MGCP packets. Check the digitmap information
contained in RQNT messages. The digitmap delivered from the softswitch is
0[2-9]xxxxxx
.
When the called number 08008302118 is matched to the digitmap, the number 08008302 is
reported, which results in the call failure.
Step 2
Modify the digitmap delivered by ZTE softswitch to 0[2-9]xxxxxxXXX.
Step 3
Check whether the fault is rectified.
If yes, the procedure ends.
If no, go to
Step 4
Contact Huawei technical support.
----End
2.1.24 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, Indicating that the Phone Is
on a Call
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.
Cause
The possible cause is that the port is faulty.
Solution
Step 1
View the port registration status and port status.
1.
Run the
display sip attribute
port
command to view the port registration status.
