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.
Search agent & cooperation:
We are manufacturer. We produce:
All kinds of TV tower, Communication towers, power tower, etc.
All kinds of steel structures.
www.huawosteeltower.com