Enterprise telephony vendors are clear that IP is the future, but customers haven’t universally agreed how to get there. Some companies that made grand commitments to IP telephony are scaling back to ...
A look at the VoIP industry’s most pressing issues, including SIP interoperability, TDM-to-SIP transition services and VoIP security issues. VoIP services are rapidly becoming the bread and butter of ...
Following a successful trial by Network Rail, TDM’s GSM-R Trackside Telephone has been approved for use on railway infrastructure for which Network Rail is the Infrastructure Manager. Network Rail has ...
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