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.
We are a voip Wholesale Service Provider, peering and routing voice services, interconnecting and inter-working peer to peer mode (SIP and H323), Residential and business phones.