Command Reference Guide

3Com Router 5000 Family and Router 6000 Family fax baudrate ● 153
Command Reference
fax baudrate
Purpose Use the fax baudrate command to configure the highest fax baudrate enabled by
the gateway.
Syntax fax baudrate { 14400 | 2400 | 4800 | 9600 | disable | voice }
Parameters 14400
Negotiate first according to V.17 fax protocol, the
highest fax baudrate is 14400bit/s.
2400
The first fax baudrate is 2400bps.
4800
Negotiate first according to V.27 fax protocol, the
highest fax baudrate is 4800bps.
9600
Negotiate first according to V.29 fax protocol which
has the priority, the highest fax baudrate is 9600bps.
disable
Disable fax function.
voice
Decide the highest rate enabled by fax first according
to the different voice encoding/decoding protocols. By
default, the parameter of voice is adopted to decide
the max fax baudrate.
Example Set the gateway to use V.29 fax protocol to perform rate negotiation.
[Router-voice-dial-entity1] fax baudrate 9600
View This command can be used in the following views:
■ Voice Entity view
Description If the rate is set to be others rather than “disable” and “voice”, rate negotiation
is performed first according to the fax protocol which is correspondent to the rate.
Here the rate is the highest rate enabled but not specified one.
When the rate is set as voice, decide the highest rate enabled by fax first according
to the difference of voice encoding/decoding protocols.
■ If G.711 voice encoding/decoding protocol is used, the fax baudrate is 14400bit/s
and the corresponding fax protocol is V.17.
■ If G.723.1 Annex A voice encoding/decoding protocol is used, the fax baudrate is
4800bit/s and the corresponding fax protocol is V.27.
■ If G.726 voice encoding/decoding protocol is used, the fax baudrate is 14400 bit/s,
and the corresponding fax protocol is V.17.
■ If G.729 voice encoding/decoding protocol is used, the fax baudrate is 9600bit/s
and the corresponding fax protocol is V.29.