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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GSM VoIP Solutions

Configurations of GSM/VoIP networks allow the service providers to avoid the local Wired Public Switched Network (PSTN) in communication with a GMS mobile handset. As a result, the high rates charged by telephone companies are avoided.

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Shenzhen SKYLINE Techology Co. LtD

We are a manufacturer that R&D and professional manufacturing VoIP Terminal. There have VoIP Phone, VOIP GSM Gateway, VOIP FXS Port Gateway, Cross-Network Gateway RoIP , PSTN Bypass Gateway. recorder box. For more, welcome to our website:www.c