Technology Blog – Digital telephony
Date: 27th June 2017
Digital telephony: Making the move from ISDN to SIP Telephony remains as one of the most important channels between businesses and their customers. However, many small firms have begun to migrate from analogue phone systems to digital, often based on ISDN (Integrated Services Digital Network). Although ISDN has performed well over the years in terms of voice quality, its higher prices and lack of flexibility have paved the way for the growth of SIP. What is SIP? SIP (Session Initiation Protocol) is a signalling protocol used to establish a “session” between 2 or more participants, modify that session, and eventually …
