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Category Archive

Below you'll find a list of all posts that have been categorized as “internet calls

ISDN to SIP – what does it mean?

ISDN to SIP – what does it mean?

Onecom, UK’s largest independent business telecoms provider , , , , , , ,

Traditionally, Integrated service digital network (ISDN) technology allowed inbound and outbound voice calls through a ‘digital’ line – through the[…]

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