The decision to move to SIP trunking appears straightforward: reduced costs, greater scalability, improved disaster recovery options and access to the productivity benefits enabled by Unified ...

ISDN was first defined in 1988, but soon it will be disappearing forever - maybe not before time, says Sonus's Kevin Baynes The writing is on the wall for the UK's integrated services digital network ...

Are SIP trunks as reliable as an ISDN PRI T1? I’m asked this question a lot, so I thought it’d be a great blog topic. I don’t think you are as concerned with this as the amber lights in the server ...

DrayTek have launched a new IP PBX for small-to- medium sized businesses (SMEs) providing a complete data and voice communications platform. The VigorIPPBX 3510 is aimed at businesses with up to 100 ...

XO Communications has unveiled an enterprise-class, multi-site Session Initiation Protocol trunking solution designed to add flexibility and scalability to distributed voice network architecture for a ...

But like PRI, the SIP Trunk service provider supplies the signaling and transport services to the customer site (s), which interconnect to the (certified) CPE. Some providers who make extensive use of ...

Recently, BT announced it had a target date of 2025 to complete the phase out of ISDN and PSTN services – all of which will now migrate over to IP within the next decade. It might seem a long way off ...

I’m trying to get info from a supplier and they are insistent that a trunk is a 1 to 1 with a call. Now I am 99.999% sure he's wrong, but before I tell him so I wanted to make sure someone who knows ...