Cisco Small Business Voice Gateways and ATAs

Encountering Difficulties Sending Fax

Document ID: 108748

Updated: Dec 12, 2008



What can I do if I can receive but cannot send fax messages?
Related Information


This article is one in a series to assist in the setup, troubleshooting, and maintenance of Cisco Small Business products.

Q. What can I do if I can receive but cannot send fax messages?


Resolving Difficulties Sending Fax Messages

Note: Set the following parameters under the Line 1 or Line 2 tab, depending on to what Line the fax is registered.

Step 1:
Access the PAP2's web-based setup page. For instructions, click here.

Step 2:
Once the PAP2's web-based setup page appears, click Admin Login then click switch to advanced view.

Step 3:
Click Line 1 or Line 2.

Step 4:
Look for Network Settings set Network Jitter Level to high.

Step 5:
Go to the Audio Configuration section and set Silence Supp Enable, Echo Supp Enable, and No Echo Canceller to no. Set FAX Passthru Method to NSE, FAX Passthru Codec to G711u, and Use Pref Codec Only to yes.

Step 6:
Go to the Supplementary Service Subscription section and set Call Waiting Serv and Three Way Conf Serv to yes.

Note: If the above settings did not work, please power down the PAP2 and power it on after 30 seconds.

Related Information

Updated: Dec 12, 2008
Document ID: 108748