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Deploying SpectraLink 8020/8030
Wireless Telephones
May 2009 Best Practices Guide
20
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Manage voice packet
delivery by the AP
Limit maximum handsets in-call per
AP (static number entered by
administrator)
Limit maximum handsets in-call per
AP (static number entered by
administrator)
Receive packets from the ‘home’
SVP Server and forward to handset
though currently associated AP
Receive packets from the ‘home’
SVP Server and forward to handset
though currently associated AP
Table 4 – SVP Server Functions
The process by which the handset is able to get onto the network and register with the SVP Server and
telephony platform is a handshake process which requires multiple steps. Figure 5 is a reference followed
diagram by the step by step description of the handset and SVP Server packet handshake.
AP A
Handset 1
SVP Server 1
Manages
handsets 1&2;
APs A&D
Handset 2
Handset 3
AP B
AP C
AP D
call server or PBX
LAN
SVP Server 2
Manages
handsets 3;
APs B&C
Figure 5 – Multiple SVP Servers
Handset 1 registers with SVP Server 1
o Handset 1 always sends its packets to SVP 1
− SVP 1 forwards handset 1 packets to the call server or PBX
− The call server or PBX sends packets from the telephone this handset is in-call with
to SVP 1
− SVP 1 sends packets to the SVP managing the handset 1’s AP
o When handset 1 is using AP A (associated with) it receives packets from SVP 1
o When handset 1 is using AP B it receives packets from SVP 2
o When handset 1 is using AP C it receives packets from SVP 2
o When handset 1 is using AP D it receives packets from SVP 1
Handset 2 registers with SVP Server 1
o Handset 1 always sends its voice packets to SVP 1
− SVP 1 forwards handset 2 audio packets to the call server or PBX
− The call server or PBX sends packets from the telephone this handset is in call with
to SVP 1
− SVP 1 sends packets to the SVP managing handset 2’s AP
o When handset 2 is using AP A it receives packets from SVP 1