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46 IP Media Server for HMP Demo Guide — July 2005
Demo Details
Establish Fax Session
The Fax module requests the front end to get ready to send a fax. If the front end is IP, it should first
move from an RTP port to a UDP port in order to send a fax.
Figure 9. Typical Scenario: Establish Fax Session
CEventRouter CIPModule CIPDevice
CIPState
Machine
1. Call
gc_setConfigData( )
to set to manual (fax) mode.
2. Call
gc_unlisten ( )
to disconnect from voice
3. Call
gc_setUserInfo( )
to set T.38 info.
4. Call
gc_extension( )
to start T.38 session
USR_ESTABLISHFAXSESSIONREQ
USR_ESTABLISHFAXSESSIONREQ
USR_ESTABLISHFAXSESSIONREQ
GCEV_EXTENSION
GCEV_EXTENSION
GCEV_EXTENSION
source=IP
destination=FAX
event=
USR_ESTABLISHF
AXSESSIONCONF
Format TSUserEvent to
reply to fax module that
T.38 session is
established