R2511-HP MSR Router Series Voice Command Reference(V5)

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to a great extent and thereby, in the case of low bandwidth, affect the fax quality seriously. Therefore, the
number of redundant packets should be selected correctly according to the network bandwidth.
The pass-through mode is subject to such factors as loss of packet, jitter and delay, so the clocks on both
communication sides must be kept synchronized. At present, only G.711 A-law and G.711 μ−law are
supported, and the VAD function should be disabled.
Examples
# Set to 2 the number of high-speed redundant packets sent through the T.38 fax recommendation.
<Sysname> system-view
[Sysname] voice-setup
[Sysname-voice] dial-program
[Sysname-voice-dial] entity 4 pots
[Sysname-voice-dial-entity4] fax protocol t38 hb-redundancy 2
fax train-mode
Use fax train-mode to configure the fax training mode.
Use undo fax train-mode to restore the default.
Syntax
fax train-mode { local | ppp }
undo fax train-mode
Default
The point-to-point mode is adopted.
Views
POTS entity view, VoIP entity view, VoFR entity view
Default command level
2: System level
Parameters
local: Adopts the local training mode.
ppp: Adopts the point-to-point (ppp) training mode.
Usage guidelines
VoFR entities only support the PPP training mode.
Examples
# Configure the local training mode for the gateway.
<Sysname> system-view
[Sysname] voice-setup
[Sysname-voice] dial-program
[Sysname-voice-dial] entity 10 pots
[Sysname-voice-dial-entity10] fax train-mode local