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.
Trade Me(Thailand) Co., Ltd. is a License holder company to operate VOIP in Thailand. We have VOIP operation license from Nation Telecommunication Commission of Thailand.