A telecommunications network architecture is known comprising a switching system for effecting basic call processing to set up, maintain and clear calls, and service-providing means (SPA) communicating with said switching system for providing services additional to said basic call processing. Due to...http://www.google.fr/patents/US5910984?utm_source=gb-gplus-shareBrevet US5910984 - Fault tolerant service-providing apparatus for use in a telecommunications network
Fault tolerant service-providing apparatus for use in a telecommunications ...
