our main activities: hosted dialer, hosted predictive dialer,hosted PBX phone systems, Asterisk & vicidial consulting and customization, SIP trunking
our main activities: hosted dialer, hosted predictive dialer,hosted PBX phone systems, Asterisk & vicidial consulting and customization, SIP trunking
ATTelecom is a leading worldwide wholesale carrier of International VoIP (voice calls over the Internet) traffic termination, CallBack service and Prepaid Calling Cards. We are the carrier of choice to many businesses around the world who seek high qualit
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