Mobile voice over Internet Protocol (mVoIP) offers packet-switched voice communications over a radio access network and can be offered by a communications service provider (CSP) or by a third-party provider (such as Skype).
Mobile voice over Internet Protocol (mVoIP) offers packet-switched voice communications over a radio access network and can be offered by a communications service provider (CSP) or by a third-party provider (such as Skype).