SIP trunking: certain to replace ISDN, but still not in the short term

ad hoc study
Published: 2015-10-26

Mainly because of the general trend towards IP, SIP trunking will prevail in the long term and eventually replace ISDN. Furthermore, SIP trunking offers some advantages: granularity, centralisation and thus cost savings, although only large enterprises with many distributed offices can really benefit from these (i.e. aggregating the number of channels onto a few sites, instead of ISDN at all sites). Carriers’ plans t...

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