Sinos Technology (HK) Co., Hong Kong

Provide wholesale international callback service in China for voip service providers and call shops. We offer competitive price and billing system to our wholeseller. We are using SS7 PSTN line and no connection fee to customers.

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General office

Sinos Technology (HK) Co.,
139-141, Wai Street,.
Kwun Tong
Kowloon ,1001
Hong Kong

Phone: +852 23897726

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Selective Call Acceptance & Rejection

The selective call acceptance allows controlling incoming calls by making a list of telephone numbers which you are ready to accept. But incoming calls from subscribers that are not listed are directed to the answering machine by which the caller is informed that you do not accept calls at the moment.

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