Mitel SX-200 Documentation page 317

SECTION MITL91 OS/91 1 0 -0 9 6 -l 05-NA
TIE TRUNKS
Page 262
Description
Tie trunks may be arranged to terminate on the console, at night bells,
at extensions, in hunt groups, or they may be Dial-In Tie Trunks.
Tandem operation may also be arranged. Tie trunks are arranged in
groups in the same way as CO trunks. Extensions have access to tie
trunk groups through the extension options selected in their Class of
Service. Dial-In Tie Trunks are assigned a Class of Service in the same
manner as extensions, and thus may be given access to selected PBX
features.
Conditions
Dial-In tie trunks may not access Paging, Hold Pickup, Directed
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Call Pickup, and Call Park
Programming
Set individual trunk and option switches as required (see Section
tion).
Program trunk information.
Program trunk group information.
Program required extension COS options for access to tie trunk
groups.
If access to tie trunks via the Attendant is to be restricted, then
COS Option Number 59 (Non-CO Trunks via Attendant Inhibit)
must be included in the COS of the restricted extensions.
If tie trunks are to be connected to CO trunks via the Attendant,
then System Option 130 (Attendant CO to Non-CO Trunk Con-
nect Enable) must be selected.
If tie trunks are to be connected to other tie trunks via the
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Attendant, then System Option 109 (Attendant Non-CO Trunk -
Non-CO Trunk Connect Enable) must be selected.
If System Option 253 (Call Forwarding - Busy (System, DID,
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Dial-In Tie Trunk, CCSA)) is selected, calls to busy extensions are
forwarded to the Attendant.
If System Option 254 (Call Forwarding - Don't Answer (System,
DID, Dial-In Tie Trunk, CCSA)) is selected, calls to unanswered
extensions are forwarded to the Attendant.
Operation
None