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
Termination

Cisco Systems
Quintum

Our Own ASP Solution

Brewster Sinclair

DDI2.net

Providers in database: 6433

Intercom Paging

Some telephones, depending on the brand and model, have the intercom function, which allows to begin communication by sending the signal. When the signal comes, the telephone set rings a signal different from the standard ring tone call. After that the telephone temporarily switches off from the telephone line and works as an intercom.

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