Samsung Ubigate iBG3026 Configuration Manual page 650

CHAPTER 34. Extended VoIP Services
Configuring Fax Relay with VoIP
Restrictions for Configuring Fax Relay with VoIP
The following constraints exists for the fax relay under VoIP environment.
The codec(G.711-alaw or G.711-ulaw) specified in Pass-through(High-
bandwidth codec) should also exist in the codec list of the relevant VoIP
dial-peer.
T.38 fallback function is supported only in H.323.
How to use high-bandwidth codec as Fax Relay with VoIP
There are 2 methods of setting the fax relay using High-bandwidth
codec(G.711-alaw or G.711-ulaw), and the setting in 'VoIP dial-peer
configuration' mode has a priority over the setting in 'voice-service
configuration' mode.
1.
'fax protocol pass-through' command in 'VoIP dial-peer configuration'
mode
Configuration Steps
−
−
−
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Detailed Steps
Step
1
2
3
608
configure terminal
dial-peer voice voip
fax protocol pass-through
exit
Command
configure terminal
Example)
# configure terminal
dial-peer voice voip
Example)
/configure#dial-peer voice voip 1000
fax protocol pass-through
Example)
/configure/dial-peer/voice/voip 1000#fax
protocol pass-through g711alaw
Purpose
Enters global configuration
mode.
Enters VoIP dial-peer
configuration mode.
specifies a high-bandwidth
codec for fax relay with VoIP
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