Chapter 6 Configuring and Debugging Fax Services
Using Fax
Note For detailed information on setting up your IOS gateways and on feature availability, refer to the document Cisco Fax Services over IP.
Enable Fax Pass-through Mode
The supporting Cisco gateway can enable fax
System Level commands
Enable the fax
Procedure
Step 1 Run the following command:
voice service voip
Step 2 Run the following command:
modem passthrough NSE
The definitions of the command parameters are as follows:
•The
The NSE payload number must be the same on both the Cisco ATA and the Cisco gateway.
•The codec parameter must be G.711µ−law for faxes sent over a T1 trunk or
•The redundancy parameter enables RFC 2198 packet redundancy. It is disabled by default.
•The maximum sessions parameter defines the number of simultaneous fax
When using the voice service voip and modem passthrough nse commands on a terminating gateway to globally set up fax or modem
Router(config)#
Step 3 For the Cisco ATA ConnectMode parameter, turn off bits 14 and 15. This enables the sending of fax
Note The NSE
Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator’s Guide (SCCP)
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