| http://www.w3.org/ns/prov#value | - cates SIP signaling over a data-bearing path of a cellular system and having an output for communicating PSTN signaling in IP format over an IP network and a media gateway coupled to the IP network and configured to receive the PSTN signaling in IP format and translate the PSTN signaling in IP format into standard PSTN signaling. [0020] Still another aspect is an apparatus such as a remote unit or
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