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.
IPness is a product of The Phone Company nv/sa, The Phone Company of Belgium was formed in 1996, and has been serving large international carriers with high-tech innovative solutions and special value-added services.