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.
Assalam O Aliekum I have some routes for Mobile Voip. If someone wants to start business with me then feel free to contact with me.
Skype ID : aamirjatialy
Email ID : aamirjatialy@yahoo.com