Features and Specifications Manual U - 11
Uniform Numbering Network
U-3
FEATURE
DESCRIPTION
Uniform Numbering Network allows multiple or compatible systems to be
connected in a network using Tie lines. A Station user can dial a system
number and a station number (open numbering) or dial the station number
only (closed numbering) to access any station. When the calling and called
systems are not directly connected, several Tie lines may be accessed to
route the call. Each system extends the call to the next system until the final
destination is reached.
SYSTEM
AVAILABILITY
Terminal Type:
All Multiline Terminals
Required Components:
TLI(2)-U10 ETU or DTI-U10/20 ETU to provide Tie Line trunks
OPERATING
PROCEDURES
1. Lift the handset, and wait for internal dial tone.
2. Dial the Tie Line Access Code.
3. Dial the distant system number.
4. Dial the station number.
1. Lift the handset, and wait for internal dial tone.
2. Dial the station number of the remote party.
1. Go off-hook at the ringing station.
2. Talk with calling party.
To originate a call using the open numbering plan:
To originate a call using the closed numbering plan:
To answer a call:
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