System and method for providing internet based phone...

System and method for providing internet based phone...

System and method for providing local services within a...

System and method for providing location and access network...

System and method for providing location independent voice...

System and method for providing multiple endpoints in a...

System and method for providing on-hold content in a voice...

System and method for providing real time connectionless...

System and method for providing requested quality of service...

System and method for providing requested quality of service...

System and method for providing service control to a single...

System and method for providing service control to a single...

System and method for providing service provider...

System and method for providing shared line appearances in a...

System and method for providing shared line appearances in a...

System and method for providing supplementary services (SS)...

System and method for providing telephone service having...

System and method for providing user mobility handling in a...

System and method for providing user-configured telephone...

System and method for providing value-added services (VAS)...