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16
08,17

ISDN Switch-off, is your business ready?

By Ruth
ISDN and SIP

Hurry… don't get left behind So, what’s happening? BT have announced that ISDN services will cease by 2025. ISDN and PSTN hardware will stop being sold after 2020. This might seem like a long time away, but BT is moving its entire voice network over to Voice over IP (VoIP) in stages before then. If…