MERLIN LEGEND Communications System Release 6.1
Feature Reference
555-661-110
Issue 1
August 1998
Features
Page 134Centrex Operation
■ Transfers with consultation and conferences cannot be performed for
extensions that have Centrex Transfer via Remote Call Forwarding active.
Similarly, in a limited Centrex configuration that includes an automated
attendant application, that application must support and be set to
unsupervised transfer operation.
■ The Centrex lines, the extensions programmed for Centrex Transfer via
Remote Call Forwarding, and any automated attendant (limited Centrex
configuration) that transfers calls to the extensions must be connected to
the same switch. The feature is not supported across private networks
(Release 6.0 and later systems, Hybrid/PBX mode only).
■ Extension programming of Centrex Transfer via Remote Call Forwarding
may require the Pause character. If so, a user at a multiline telephone on
the communications system in a limited Centrex configuration can program
the feature. If the feature with a dialing Pause is required for a single-line
telephone, a user on the system must use the Authorization Codes feature
in order to activate or deactivate Centrex Transfer via Remote Call
Forwarding.
When a user activates or deactivates a forwarding feature by dialing his or
her authorization code, the activating and forwarding extensions must be
on the local switch. After dialing the authorization code, the user then turns
the feature on or off normally.
■ Reliable disconnect on loop-start lines is not required for Centrex Transfer
via Remote Call Forwarding.
When extensions are using the Centrex Transfer via Remote Call Forwarding
feature, do not program Music On Hold as the transfer audible. If Music On Hold is
programmed in this case, a caller being transferred hears a click, three seconds of
Music On Hold, a second click, then silence for about 10 seconds, then ringback
or a busy tone from the central office. This can confuse outside callers, who may
hang up.
Two SMDR call records can be generated for Centrex remote call-forwarded calls:
one for the incoming or transferred call to the extension and one for the outgoing
call to the remote telephone number. In order for SMDR to report the calls, the
SMDR minimum call length must be set to zero (0).
Considerations and Constraints 3
To prevent confusion, extension numbers in the communications system should
reflect the ending digits of the Centrex prime line number. For example, an
extension with a Centrex prime line number of 4322 should have an extension
number of 4322 in a 4-digit (Set Up Space) numbering plan, 322 in a 3-digit
numbering plan, or 22 in a 2-digit numbering plan. “System Renumbering” on
page 659 provides information about numbering plans.
Centrex service supports only touch-tone telephones.
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