In our last VoIP installment, we looked at the main reasons why SIP has become a widely adopted protocol, but we left details of the protocol’s inner workings fairly vague. This article will drill ...

Switzerland-based O-FONE (not to be confused with Microsoft’s oPhone) has released a SIP VoIP client for Symbian’s S60 platform. Perhaps more interesting than the client itself is their claim that ...

The V Phone is an IP Telephony mobile VoIP app that enables mobile users to make VoIP calls and send SMS's using the internet. The VoIP industry commonly refer to such apps as mobile voip, sip client, ...

SAN JOSE, Calif., April 2, 2003 — Today at the Spring 2003 Voice on the Net (VON) Trade Show & Expo, Microsoft Corp. announced a comprehensive Windows® CE .NET-based voice over IP (VoIP) solution that ...

Microsoft announced a comprehensive Windows® CE .NET-based voice over IP (VoIP) solution that enables the integration of voice communications into a variety of IP-based client devices and services ...