... ,LCD 2.support 802.11b/g 3.compatible with Elastix Wireless SIP Phone Support 4 SIP accounts for Elastix***Introduction***Now ... , SIP2.0, G.711a/u-law etc.***Key Features***1. Wireless SIP phone Support 802.11b/g, IEEE 802.1x, 802 ... (VAD)27.Acoustic Echo Cancellation (AEC)28.Auto Wi-Fi (Wireless Fidelity ) Hotspot Scan, Net Search29.Support STUN server230.USB power ...