Configuring Voice
Managing Caller ID Services
100
Cisco SRP500 Series Services Ready Platforms Administration Guide (SRP520 Models)
6
Make sure the Cisco gateway is correctly configured for T.38 with the SPA
dialpeer. For example:
fax protocol T38
fax rate voice
fax-relay ecm disable
fax nsf 000000
no vad
Fax Troubleshooting
If you have problems sending or receiving faxes, complete the following steps:
STEP 1
Verify that your fax machine is set to a speed between 7200 and 14400.
STEP 2
Send a test fax in a controlled environment between two ATAs.
STEP 3
Determine the success rate.
STEP 4
Monitor the network and record the statistics for Jitter, Loss, and Delay.
STEP 5
If faxes fail consistently, capture a copy of the SRP configuration by downloading
the following file. You can then send this file to Technical Support.
http://<SRP_IP_Address>/admin/config.xml&xuser=admin&xpassword=<admin_password>
If you are using a web browser, choose the option to
view source
for the resulting
page and save this file locally.
STEP 6
Enable and capture the debug list.
NOTE
You can also capture data using a sniffer trace.
STEP 7
Identify the type of fax machine connected to the device.
