AT&T 555-230-520 manual Coverage, Answer Supervision Considerations

Call Vectoring Commands

Coverage

The optional coverage parameter determines whether coverage should apply during routing. If coverage applies, and if the digits entered are valid, the following occurs:

■Ringback is provided.

■Vector processing terminates.

■Normal termination and coverage are implemented.

NOTE:

For detailed information about the operation of the route-to command with or without coverage for the different destinations see "Operation Details for the Route-to Command" on page G-1.

Answer Supervision Considerations

Generally, answer supervision is provided when the destination answers the call. The exception to this involves incoming trunk calls routed to another non-ISDN-PRI trunk. Such calls provide answer supervision when the outgoing trunk is seized.

Feature Interactions

The route-tocommand may specify the AAR or ARS access codes. The COR associated with the VDN is used to determine the Partitioned Group Number (PGN) time-of-day routing chart. The PGN determines the choice or route tables used on a particular call.

The command may call the AUDIX extension. If this happens, the call is treated as a direct call to AUDIX, and the calling party may retrieve his or her messages.

If the call covers to a VDN, the command supports a remote AUDIX interface to a local hunt group extension that is assigned as a remote AUDIX hunt group. The ‘‘remote AUDIX huntgroup’’ (which has no members and cannot be vector-controlled) forwards the call to the remote AUDIX destination in the same manner as when the hunt group is assigned as a point in the coverage path. A DCS link down condition for a call that covers to a VDN is treated as a direct call to AUDIX.

If the command is directed to a station with bridged appearances, the bridged appearance button lamps are updated.

The following destinations always result in a failure, and vector processing continues at the next step:

■Controlled trunk group

■Code calling FAC

A-72Issue 4 September 1995