SpectraLink 8000 Telephony Gateway Administration Guide
Up to forty SpectraLink 8000 Telephony Gateways may be connected to the LAN for a maximum capacity of 640 SpectraLink Wireless Telephones. When five or more SpectraLink 8000 Telephony Gateways are installed, the SpectraLink 8000 SVP Server must also be installed to manage the increased load.
SpectraLink Voice Priority (SVP) and Quality of Service
SVP is the SpectraLink quality of service (QoS) mechanism that is implemented in the handset and an access point (AP) to enhance voice quality over the wireless network. SVP gives preference to voice packets over data packets on the wireless medium, increasing the probability that all voice packets are transmitted efficiently and with minimum or no delay. SVP is fully compatible with the IEEE 802.11 standards.
The SpectraLink 8000 SVP Server is an Ethernet LAN device that works with the APs to provide QoS on the wireless LAN. Voice packets to and from the handsets are intercepted by the SpectraLink 8000 SVP Server and encapsulated for prioritization as they are routed to and from the SpectraLink 8000 Telephony Gateway. See SpectraLink 8000 SVP Server Administration Guide for SRP for detailed information about this device.
System Timing
The SpectraLink 8000 Telephony Gateways provide SVP when there are four or fewer Gateways in the system. In this configuration, system timing is done through the IPC cables between each Gateway. If a SpectraLink 8000 SVP Server is installed in a system with four or fewer Gateways, the IPC cables are not required. If there are five or more Gateways in the system, then one or more SpectraLink 8000 SVP Server must be installed to handle the increased load and additional timing requirements. See SpectraLink 8000 SVP Server Administration Guide for SRP.
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