Dyad Group, s.r.o. Czech Republic

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General office

Dyad Group, s.r.o.
Blanicka 16
Prague 2
,120 00
Czech Republic

Phone: +420 221 503 560

International VoIP Wholesale Provider
Internet Telephony Service Provider
Voip consulting

Consultancy Services
Installation and Support Services
IP devices
SIP VoIP Gateway
System Integration

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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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IPgrade

IPgrade LTD, was formed as a wholesale provider of international voice services specialized in VoIP and advanced telecommunications solutions.IPgrade owns, operates and maintains communications infrastructure worldwide, providing high quality services and

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