Cisco ATA188-I2-A Administration Guide - Page 160
Problem, Action, Phone 1, fax rate disable, mgcp fax t38 inhibit
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Debugging the Cisco ATA 186/188 Fax Services Chapter 7 Configuring and Debugging Fax Services Table 7-1 Solving Common Fax Problems Problem Action The far-end gateway is not loaded with correct software image. Cisco recommends IOS version 12.2 (11)T or higher for the Cisco 2600 and Cisco 3600, and IOS version 12.1 (3)T or higher for Cisco AS5300. The Cisco 6608 supports both the NSE and NTE methods of fax pass-through mode, beginning with software version D004030145S16608. To use fax pass-through mode with the Cisco 6608, the user must select 6608 NSE mode, and the NSE payload type must be reconfigured to match the Cisco ATA. The Cisco IOS gateway is not configured using the external T1 clock. Perform these steps: 1. Enter the following CLI commands: Controller T1 0 clock source line 2. On the Cisco CallManager Gateway Configuration page, choose the T1 line connection port. Set the clock as "external primary." The Cisco ATA is not loaded with the proper software. Cisco recommends using software version 2.14 or higher. User is operating Cisco recommends using Cisco ATA models 186-I1, 186-I2, 188-I1, or Cisco ATA software on an 188-I2 (hardware platforms). outdated model. The Cisco ATA is not For fax mode, the AudioMode configuration parameter should be set to configured for fax mode or 0xXXXX0012 (X = value not applicable) for the Phone 1 port of the fax pass-through mode. Cisco ATA, and 0x0012XXXX for the Phone 2 port. For fax pass-through mode, AudioMode should be set to 0xXXXX0015 for the Phone 1 port of the Cisco ATA, and 0x0015XXXX for the Phone 2 port. The remote gateway is not When the Cisco ATA is configured for fax pass-through mode, all remote configured for modem/fax gateways must be configured with modem/fax pass-through mode either pass-through mode. on a dial-peer level or system level. Fax relay is not disabled on the remote gateway. Fax relay is enabled by default on some Cisco gateways. When fax relay is enabled, it can override fax pass-through mode and cause fax failure. Examples of the CLI commands to disable fax relay for IOS gateways are as follows: • fax rate disable for H.323/SIP gateways • mgcp fax t38 inhibit for MGCP gateways Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator's Guide for H.323 (version 3.0) 7-8 OL-4804-01