Cisco ATA186-I1 Administration Guide - Page 117

Chapter 6 Configuring and Debugging Fax Services Debugging the Cisco ATA 186/188 Fax Services Note The AudioMode configuration overrides the values of the following three parameters: RxCodec, TxCodec, and LBRCodec. For example, if these three parameters are each set to 0 (for G.723), the Cisco ATA would still use G.711 if AudioMode is set to 0x00120012. With this configuration, the Cisco ATA sends both G.711μ-law and G.711A-law as preferred codecs to a peer voice gateway. Configuring the Cisco IOS Gateway for Fax Mode On the Cisco gateway, disable both fax relay and fax pass-through at the dial-peer level or system level with the following commands: Procedure Step 1 Step 2 Run the command: fax rate disable Run the command: no modem passthrough Debugging the Cisco ATA 186/188 Fax Services This section includes the following debugging topics for fax services: • Common Problems When Using IOS Gateways, page 6-7 • Using prserv for Diagnosing Fax Problems, page 6-9 • Using rtpcatch for Diagnosing Fax Problems, page 6-12 Common Problems When Using IOS Gateways Table 6-1 lists typical problems and actions that might solve these problems for situations in which the Cisco ATA is using fax over a Cisco IOS gateway. OL-4652-01 Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator's Guide for SCCP (version 3.0) 6-7