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.
Cybertell VOIP solutions provider.
Our primary business includes A-Z termination services,
implementing of PSTN & multiplatform networks,
retail & reseller solutions for VOIP services.