CCITT Rec. I.352 (11/1988) – NETWORK PERFORMANCE OBJECTIVES FOR CONNECTION PROCESSING DELAYS IN AN ISDN
1 General
1.1 Reference model
1.2 Measurement
1.3 Network conditions
1.4 User delay
1.5 Allocation
1.6 Basic connection
1.7 Phases
2 Purpose
3 Connection processing delays in ISDN circuit switched connections
3.1 Connect phase parameters
3.2 Disconnect phase parameters