From: gladston@br.ibm.com
Date: Thu Sep 16 2004 - 15:04:25 GMT-3
I found this example to enable FAX communication over IP. It is the first time I see the command "fax protocol...".
What would occurs without this command?
(the command help says by default it will use 'system' protocol. so what?)
Voice Gateway Router 1 Configuration File
interface FastEthernet0/0
ip address 10.21.9.4 255.255.255.0
!
voice-port 1/0/0
!
voice-port 1/0/1
!
dial-peer voice 1 pots
destination-pattern 5551234
port 1/0/0
!
dial-peer voice 2 voip
destination-pattern 5555678
session target ipv4:10.5.6.7
codec g711ulaw
fax protocol t38 ls-redundancy 0 hs-redundancy 0 fallback cisco
fax rate voice
===================================
fax protocol (dial-peer)
To specify the fax protocol to be used for a specific VoIP dial peer, use the fax protocol command in dial-peer configuration mode. To return to the global default fax protocol, use the system keyword or the no form of this command.
Cisco AS5350, Cisco AS5400, Cisco AS5850
fax protocol {none | system | pass-through {g711ulaw | g711alaw}}
no fax protocol
All Other Platforms
fax protocol {cisco | none | system | pass-through {g711ulaw | g711alaw}}
no fax protocol
Syntax Description
cisco
Cisco-proprietary fax protocol.
none
No fax pass-through is attempted. All special fax handling is disabled, except for modem pass-through if configured with the modem pass-through command.
system
Uses the global configuration that was set using the fax protocol command in voice-service configuration mode.
pass-through
The fax stream uses one of the following high-bandwidth codecs:
g711ulawUses the G.711 u-law codec.
g711alawUses the G.711 a-law codec.
Defaults
system
Command Modes
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