Method for providing legacy and new services for a telecommunication terminal connected to a private branch exchange

摘要

A method for providing a service for a telecommunication terminal connected to a telecommunication system or telecommunication service provider, comprising the steps ofrunning an adapted application on said telecommunication system or said telecommunication service provider, wherein said service is supportedsupplying said service either in a first of several different communication protocols, or in a second protocol out said several different communication protocols accessed through said first protocol,allowing said telecommunication terminal to process all of said different protocolsusing only one of said protocols in said terminal according to some predefined criteria managed by said system.