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.
djanah cloud-based total conversation service provides from various devices, anywhere to call any other user, and communicate in video, audio and real time text.