Finally, Nortel has introduced the full IEEE 802.11 based QoS standards to its wireless LAN software. The Nortel has updated its wireless LAN software and also introduced mobile phone, named 6100, which will offer more wireless VoIP services for the enterprise. Nortel’s WLAN switches and access points the full IEEE 802.11-based QoS standards are needed to ensure high quality VoIP calls over a WLAN infrastructure. The company has added two remaining 802.11e elements to its infrastructure, so that any 802.11e-enabled client can make VoIP calls, including PDAs and laptop. Nortel’s new element has a power saving feature, which will make VoIP handset inactive and conserves the battery power. It has also call admission control feature, which will enable an access point to monitor and manage VoIP calls to optimize as other clients come and go on that same access point. The company has also introduced the first wireless VoIP phone, 6100 with radio capability, which will support 802.11b, 11g or 11a connections. This new handset will also support Wi-Fi Multimedia prioritization. Nortel’s WLAN handset will have a feature like ‘push-to-talk’, which will phone to act like walkie-talkie with an extended battery option.