HP ProCurve Switch /Wireless - Interoperability between ProCurve WESM zl and Polycom-SpectraLink phones

Interoperability between ProCurve WESM zl and Polycom-SpectraLink phones

HP ProCurve Networking

7. SVP and voice prioritization

Voice prioritization enables the radio ports to monitor all packets in a WLAN. If the IP header indicates a voice packet,

the WESM marks the packet as high priority.

SpectraLink Voice Prioritization (SVP) is a IEEE 802.11-compliant QoS mechanism developed by SpectraLink. It is

implemented in wireless phones, APs/RPs, and SpectraLink servers. SVP minimizes latency for voice traffic by

establishing priority queues for voice packets, and enables voice packets to be transmitted in a coordinated fashion

without any back-off interval, reducing delays.

7.1 Enable voice prioritization

To enable SVP and Voice Prioritization on the voice WLAN:

1. In the Network Setup > WLAN Setup > Edit window, go to the Advanced panel and put check marks in the

boxes to enable these settings:

o Use Voice Prioritization

o Enable SVP

2. Set the Access Category to Voice.

3. On the wired network, configure the VLAN of the voice WLAN as voice.

7.2 Configure WMM

Another possibility for prioritizing voice traffic is to configure WiFi Multimedia (WMM). WMM automatically defines four

classes of traffic that will be queued and prioritized accordingly. However, SpectraLink does not recommend enabling

WMM simultaneously with SVP.

For more information on WMM configuration on the WESM, please refer to ProCurve Application Note AN-M12, Using

802.11e and WMM on the ProCurve Wireless Edge Services Module.