R2511-HP MSR Router Series Voice Command Reference(V5)
297
Syntax
fax baudrate { 2400 | 4800 | 9600 | 14400 | disable | voice }
undo fax baudrate
Views
POTS entity view, VoIP entity view, VoFR entity view
Default command level
2: System level
Parameters
2400: Sets the maximum fax baud rate to 2400 bps.
4800: Negotiates the fax baud rate first in accordance with the V.27 fax protocol. The maximum fax
baud rate is 4800 bps.
9600: Negotiates the fax baud rate first in accordance with the V.29 fax protocol. The maximum fax
baud rate is 9600 bps.
14400: Negotiates the fax baud rate first in accordance with the V.17 fax protocol. The maximum fax
baud rate is 14,400 bps.
disable: Disables the fax function. (If the call control protocol is SIP, private T.38 and standard T.38 faxes
are disabled.)
voice: Finalizes the allowed maximum fax baud rate first in accordance with voice encoding/decoding
protocols.
• If G.711 is adopted, the fax baud rate is 14,400 bps and the fax protocol is V.17.
• If G.723.1 Annex A is adopted, the fax baud rate is 4800 bps and the fax protocol is V.27.
• If G.726 is adopted, the fax baud rate is 14,400 bps and the fax protocol is V.17.
• If G.729 is adopted, the fax baud rate is 7200 bps and the fax protocol is V.29.
Usage guidelines
If the baud rate is set to a value other than disable and voice, the maximum rate is negotiated first in
accordance with the corresponding fax protocol.
Examples
# Configure the gateway to negotiate the fax rate in accordance with the V.29 fax protocol.
<Sysname> system-view
[Sysname] voice-setup
[Sysname-voice] dial-program
[Sysname-voice-dial] entity 4 pots
[Sysname-voice-dial-entity4] fax baudrate 9600
fax cng-switch enable
Use fax cng-switch enable to enable the CNG fax switchover function.
Use undo fax cng-switch enable to restore the default.
Syntax
fax cng-switch enable
undo fax cng-switch enable










