July 2003
NEC Business Solutions Ltd
306 - E3
E&M Tie Lines (4-Wire)
Doc. No. 8
201 - Re
lease 1.0
July 2003
Internal and External Transmit and Receive pad adjustments (volume
levels) are programmable in System Programming.
An unanswered Tie/DID call can be switched to a different ringing
pattern and ring selected stations by using the Day or Night Mode
ringing assignment, if assigned, in System Programming. The
switching options are 10, 20, 30 seconds, or No Timeout (default: No
Timeout).
Tie/DID lines can be assigned to add up to two digits and/or delete up
to two digits per Trunk group as needed, in System Programming.
General
Each TLI(2)-U( ) ETU supports a maximum of two 4-wire E&M Tie
Lines.
When a call from/to the remote end is made to a busy station in
the Xen IPK systems, the caller cannot set Callback Request, Step
Call, or Camp-On.
The incoming ringing pattern for Tie line calls can be changed in
System Programming, or voice announcement can be selected
system-wide (default: 2 seconds ON/4 seconds OFF).
Any of the following methods of loop supervision can be selected via
System Programming per trunk: immediate start, wink start, delay
start, or second dial tone (default: Second Dial Tone).
If voice announcement for incoming Tie calls is selected, the outside
party cannot switch the call to a ringing call.
The Recall key and Drop key are ignored when Tie lines are used.
RELATED
FEATURES LIST
Feature
Number
Feature Name
F-3
Flexible Numbering Plan
T-1
Tandem Switching of 4-Wire E&M Tie Lines
T-6
Trunk-to-Trunk Transfer
U-2
Uniform Numbering Network