Using SIP Trunking In A Modern UC Solution Dimitri Osler 28 March 2019 SIP Trunking SIP Trunking is the most popular way to add PSTN connectivity to a modern UC solution. A few words of advice: Fax support:
SIP trunking. The difference between PSTN, ISDN and VoIP. Elena Kornilova 30 September 2016 Years ago when VoIP first appeared on the scene, in the time of dial-up Internet, it was associated with poor audio quality and dropped calls.