Cisco WRP400-G1 Administration Guide - Page 42
Fax Troubleshooting, Save As, Web complete - problems
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Configuring Voice Services Optimizing Fax Completion Rates 3 NOTE If a T.38 call cannot be set-up, then the call automatically reverts to G.711 fallback. STEP 5 If you are using a Cisco media gateway use the following settings: Make sure the Cisco gateway is correctly configured for T.38 with the SPA dial peer. 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 following statistics: • Jitter • Loss • Delay STEP 5 If faxes fail consistently, capture a copy of the voice settings by selecting Save As > Web page, complete from the administration web server page. You can send this configuration file to Technical Support. STEP 6 Enable and capture the debug log. For instructions, refer to Appendix D, "Troubleshooting." NOTE You may also capture data using a sniffer trace. STEP 7 Identify the type of fax machine connected to the ATA device. Cisco Small Business WRP400 Administration Guide 40