World Telecommunications International Limited Hong Kong

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General office

World Telecommunications International Limited
Wanchai
Hong Kong
,852
Hong Kong

Phone: +852-25736786
Phone: +852-61851621

International VoIP Wholesale Provider

Billing Software
Call Relay VoIP Solutions
Call Routing VoIP Solutions
E1 Bulk Wholeseller
PC to Phone
SIP VoIP Gateway
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Automatic Call-back

In telecommunications the automatic call-back is a computer telephone function which allows the user by the engaged addressee’s line or in the other case of the subscriber’s inaccessibility indicating the system to save the number of the called subscriber and make the call when the line will be available or when the called number is not engaged.

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