System timing parameters Function 151: Flash hook duration This sets the time (in seconds) that a flash hook will be sent on the current line to the Telco from a digital phone set. The default setting of 1.5 will cause disconnect and fresh dial tone from the CO. Range: 0.2–2.0. Default: 1.5. Function 152: Transfer forward timer This sets the number of times a transferred or DID1 call will ring before following the day/night routing for the extension or department. Range: 1–9 rings. Default: 3. Function 153: Recall timers Function 1531: Exclusive hold recall timer This is the amount of time, in seconds, that a call will remain on exclusive hold before recalling to the extension that initiated the exclusive hold. Range: 5–960 seconds. Default: 60. Function 1532: Hold recall timer This is the amount of time, in seconds, that a call will remain on hold before recalling to the extension that initiated the hold. Range: 5–960 seconds. Default: 60. Function 1533: Hold recall timeout timer This is the number of times a station will recall-ring before being re-routed. Range: 2–40 rings. Default: 6. Function 154: ACD timers Function 1541: ACD exit timer This is the amount of time, in seconds, that a call will remain in ACD department queues before following the department reroute (see Function 33, page G.23). Range: 5–600 seconds (or 0 for no limit). Default: 180. Function 1542: ACD wrap timer This is the maximum amount of time, in seconds, that an agent can remain in wrap mode. If this function is turned off, agents cannot place their stations in Wrap Mode (see the “ACD agent operation” chapter in the User’s Guide). Range: 5–600 seconds (0 for no limit). Default: 0 (no limit). Function 1543: ACD hold recall timer This is the amount of time, in seconds, that a call will remain on hold by a logged-in ACD agent before recall. (A logged-out user will follow the Function 1532 timer when placing someone on hold.) Range: 5–960 seconds. Default: 60.