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.
First Telecom Ltd
At First Telecom we fully understand convergence across telecoms, IT services and software. We invest heavily in researching what is happening in the global market, which is dynamic and full of risk and reward. We track changes and identify threats and op
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