Typical scenario: establish fax session, Establish fax session, Demo details – Intel IP Media Server User Manual

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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

GCEV_EXTENSION

source=IP
destination=FAX
event=
USR_ESTABLISHF
AXSESSIONCONF

Format TSUserEvent to
reply to fax module that

T.38 session is

established