2.6 Hardware (H/W) Settings138 Programming Manual2.6 Hardware (H/W) SettingsHardware settings are divided into the following categories:– Global Parameters– Port Parameters2.6.1 Global ParametersGlobal parameters define the settings that affect integration with the PBX.Flash TimeFor Inband and No Integration only. Specifies the length of time the hook switch must be pressedbefore the PBX will recognise it as a flash hook signal. The settings made here should match thesettings of the PBX.Value Range100 ms, 300 ms, 600 ms, and 900 msCPC SignalFor Inband and No Integration only. Specifies the minimum time necessary to detect an interruptionin the CPC (Calling Party Control) signal received from the PBX. The VPS is able to determine thatthe line has been disconnected when it detects an interruption of the CPC signal. The settings madehere should match the settings of the PBX.Value RangeNone, 6.5 ms, 150 ms, 300 ms, 450 ms, 600 ms, and 900 msDisconnect TimeSpecifies the length of time the line will be unavailable after a call has ended.Value Range1 s–8 sDelay After Dialling Before AnalysisSpecifies the length of time between the end of call and the start of "Call Progress Tone" detectionwhen an outgoing call is dialled.Value Range0 ms–20000 ms, units 100 msMaximum Time to Wait for Dial ToneSpecifies the length of time that the VPS waits for dial tone detection.