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- International VoIP Wholesale Provider
- Phone To Phone
- Cisco Systems
- Billing system of own development
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.
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