mobility and availability the call control protocol of the wf01-v2 is based on sip v2 (session initiation protocol version 2, rfc 3261) open standard, which is interoperable with major sip-based call servers, ip-pbxs, and other standard sip-based client devices. the wf01-v2 is compliant with the ieee 802.11b standard and interoperates with any existing 802.11b or 802.11g wireless ap and gateway. it may be used as a cordless handset for residential users or for business users in an office environment. the small form factor of the handset is easy to transport and allows users to place voip phone calls in public 802.11-based environment. high voice quality with low communication costs the wf01-v2 is capable of tagging features that support a service provider's qos (quality of ......