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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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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