ISDN rides off into the sunset as SIP trunking takes centre stage
ISDN was first defined in 1988, but soon it will be disappearing forever - maybe not before time, says Sonus's Kevin Baynes
BT is finally retiring ISDN in 2025 - what are your organisation's plans for replacing it
The writing is on the wall for the UK's integrated services digital network (ISDN). Starting this summer, ISDN will be in ‘sunset' mode as the phase-out programme starts in earnest - almost 30 years...
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