A plurality of release action tables are maintained in the switching nodes of a telecommunication network, e.g SS7, ISDN, one table for each trunk group. The table indicates desired actions or treatments to be taken for failed calls, each identified by a cause condition. Upon receiving a cause condition...http://www.google.es/patents/US5642396?utm_source=gb-gplus-sharePatente US5642396 - Release cause table for failed calls in SS7/ISDN Networks
Release cause table for failed calls in SS7/ISDN Networks
