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.
Network Exchange Center (NEC) is a leading provider of communication products and services. Based in Brooklyn, New York, the company is just twenty minutes from downtown Manhattan.