This European Telecommunication Standard (ETS) defines the Layer 3 protocol for signalling for the support of circuit mode bearer services (used either on their own or in support of teleservices) at the Q reference point between Private Telecommunication Network Exchanges (PTNX) connected together within a Private Telecommunication Network (PTN). The Q reference point is defined in ENV 41004.
PUBLISHED
SSH ETS 300 172:1994 ed.2
60.60
Standard published
Jul 4, 2024