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Global Call IP Technology Guide — November 2007 361
Dialogic Corporation
Third Party Call Control (3PCC) Operations and Multimedia Support
Figure 72. Alternate Third Party Call Control Establishment (part three)
Application A
Global Call
Library A
(IPCCLIB)
Application B
Global Call
Library B
(IPCCLIB)
IPML
Library B
Global Call
Library C
(IPCCLIB)
IPML
Library A
IPML
Library C
Application C
GCEV_SIP_200OK
ipm_Stop
IPMEV_STOP
RTP
gc_SipAck
SDP Answer 2
ipm_ModifyMedia
(Tx/Rx)
IPMEV_MODIFY
_MEDIA
GCEV_ANSWERED
SDP Answer 2
GCEV_SIP_ACK
ACK
SDP Answer 2
GCEV_SIP_ACK_OK
gc_SipAck
ACK
GCEV_SIP_ACK_OK
GCEV_ACCEPT
_MODIFY_CALL
GCEV_SIP_ACK