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When the PP user moves to a radio coverage area with the next RFP, the PP detects a stronger
signal and the handover process starts again.
Upon completion of the handover process, the voice path between the IP phone and the PP is
established:
•
Between the IP phone and the primary RFP
•
Between the primary RFP and the new secondary RFP.
The following figure illustrates this scenario:
IP phone
OMM
(RFP in OMM mode)
Page 15
NeXspan iPBX
New secondary RFP
01/2007
GSI gateway
Signalling
Control RFP interface
RTP/RTCP
Primary RFP
AMT/PTD/PBX/0062/1/2EN
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