ETSI EN 301 451-2
ETSI EN 301 451-2
Private Integrated Services Network (PISN); Cordless Terminal Mobility (CTM); Inter-exchange signalling protocol; Cordless terminal outgoing call additional network feature for the VPN b service entry point; Part 2: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for
standard published 01/01/2002 by European Telecommunications Standards Institute