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MERLIN LEGENDCommunications System Release 6.1
System Planning
555-661-112
Issue 1
August 1998
Features
Page 4-9Telephone and Extension Features
4
Trunk-to-Trunk Transfer 4
This section contains instructions to allow or disallow trunk-to-trunk transfer at
each extension.
If trunk-to-trunk transfer is disallowed on an extension in a private network, the
extension cannot transfer an outside call to a local system trunk connected to the
PSTN. See the
Network Reference
for more information.
Trunk-to-trunk transfer may only be performed on ground-start trunks and
loop-start trunks with reliable disconnect. As of Release 4.0, trunk-to-trunk
transfer may be performed on BRI, Tie lines, PRI, ground-start trunks, and
loop-start trunks that have reliable disconnect.
Trunk-to-trunk transfer is factory set to disabled and may be enabled for a specific
extension. Single-line telephones are restricted from completing a trunk-to-trunk
transfer.
Planning Form Instructions 4
Use Form 6b to identify extensions permitted to perform trunk-to-trunk transfers.
Under the Trunk-to-Trunk Transfer heading on Form 6b, do
one
of the following:
■ To block an extension from completing a trunk-to-trunk transfer, check the
No (factory setting) box.
■ To allow an extension to complete trunk-to-trunk transfers, check Yes.