Polycom 1725-36031-001 User Manual

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SpectraLink 8000 SVP Server Overview 
PN: 1725-36031-001_H.doc 
13
Notes on System Configuration 
 
In an IP system using subnets to differentiate telephony areas, each 
subnet must have its own APs. Each subnet may require an SVP 
Server to maintain voice quality, but this depends on traffic volume 
and router capacity.  
Multiple SVP Server environments are those which have more than 
one SVP Server. A master SVP Server must be identified in a 
multiple-SVP Server environment. 
SVP Server models may not be combined within one subnet. More 
than one SVP Server model type may be used within a facility if 
installed on different subnets. 
Wireless telephones cannot roam with uninterrupted service 
between subnets unless specific LAN components are present. 
Certain AP/Ethernet switch combinations establish a layer-2 tunnel 
across subnets that enables the handsets to roam. Without this 
capability, any call in progress will be dropped when the user 
moves out of range and the handset must be power cycled in order 
to resume functionality in the new subnet area. 
Please see Best Practices for Deploying Enterprise-Grade Wi-Fi 
Telephony
 for detailed configuration information when installing 
multiple SVP Server models across several different subnets. 
 
 
IP multicast addresses are used when SpectraLink i640 and 8030 
Wireless Telephones are installed. This requires that multicasting 
be enabled on the subnet used for the SpectraLink 8000 Wireless 
Telephones, SVP Server, and telephony gateways. 
Routers are typically configured with filters to prevent multicast 
traffic from flowing outside of specific domains. The wireless LAN 
can be placed on a separate VLAN or subnet to reduce the effects 
of broadcast and multicast traffic from devices in other network 
segments. 
 
 
The SVP Server requires a Cat. 5 cable connection between its 
network port and the Ethernet switch. The SVP Server auto-
negotiates to the type of port on the Ethernet switch and supports 
10Base-T, 100Base-T, full-duplex and half-duplex port types.