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Date: 2013-07-02 08:55:12Mobile technology Videotelephony Softswitch Switches Mobile virtual network operator SIP Trunking Voice over IP Triple play Mobile dialer Technology Electronic engineering Telephony | Billing & Softswitch Solutions PORTA ONE PortaOne is a billing andAdd to Reading ListSource URL: portaone.comDownload Document from Source WebsiteFile Size: 171,60 KBShare Document on Facebook |