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.
Global Direct Telecom connects incumbent and mobile operators in Africa, the Asia/Pacific, the Middle East and Latin America to the major telecommunications hubs of North America and Europe.