Termination, Call Routing VoIP Solutions, SIP, H.323 Softswitch & CPE, H.323 VoIP Gateway, H.323 Wireless/ GSM VoIP Solutions,
The great Tang Dynasty is one of the most splendid period in Chinese history.Datang Telecom Technology and Industry Group,with headquarter located in Beijing(capital of china),services nation wide,and is ambitious for whole world at the same time.It is de
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