Moving from ISDN to SIP: the key steps you need to take Step one: scoping the job Work with your communications provider to find out what the move will look like for your business. This may be a wholesale switch in one move, a phased branch by branch transition, or even floor by floor. SIP…

3 Reasons for Changing from ISDN to SIP   Cost SIP trunking is not only less costly per channel for line rental than ISDN, but can also deliver savings on call costs, with many providers offering inclusive minutes as part of the monthly fee. SIP trunking requires less physical infrastructure, with fewer lines needed than…