SIP-addressing is logical, of the same type as URL in HTTP. And the most natural – to use the electronic mail as the SIP address. There are permissible varied parameters by the address: for example, it is possible to indicate the regular city telephone number, additional telephone, and the parameters of modem connection etc.
Orca Communications (OrcaCom) delivers national & international VoIP telecommunications to small, medium and large businesses. We provide VoIP calls, connections and the hosted PBX system so you only have to deal with one phone company.