| http://www.w3.org/ns/prov#value | - These controls are executed using a protocol such as SIP, H.323, MGCP, or MEGACO. [0125] The main processing unit 201 adds a UDP or TCP header, an IP header and the like to the call control data, and performs the call connection to the opposite party through the communications control unit 203, for example, an RJ45 modular interface connected to the Internet. [0126] When the call connection with t
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