PSTN termination (Analog FXO/FXS, ISDN/BRI/PRI) SIP termination DTMF over RTP T.38 Fax relay   [Title name=’Description’]NetBorder Express software, together with Sangoma’s computer telephony cards and an off-the-shelf server, is a complete SIP-compliant VoIP Media Gateway. Package it on the same server with another application such as a PBX , and deliver an extremely flexible and […]