External/Internal Transfer
The external call transfer – is the call transfer to a telephone line other than the company’s telephone line. The internal call transfer – the transfer of an incoming call to another addressee registered on the same telephone line.
SIP protocol was made within IETF (Internet Engineering Task Force) – organization occupied with establishing Internet standards and general standards concerning TCP/IP protocols.
SIJinc Communication Pte Ltd
SIJ Communication is mainly focused on the VOIP wholesale business and hosted service provider for wholesale carrier. Our premium and standard routes fulfill our customer requirements with having good ACD and ASR.
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