XonTel
XonTel is mobile VoIP software products and solutions.IMPORTANT NOTE: XonTel is a standalone softphone and not a VoIP service. A SIP server or subscri...
United GULFGATE TRD. CO
GULFSIP Video Call
GULFSIP Network offers free calls & SMS to friends and families all over the world over Wifi, 3G or 4G. Also you can make worldwide Calls to landlines...
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