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