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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Enhanced Voicemail

The enhanced voicemail contains unique functions that allow keeping saved messages for longer time, more space for saving messages, a big length of a message and other qualities.

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