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4.3.2 Voice over Internet Protocol (VoIP) Network
→ DDI / DID / TIE / MSN
18.3 PBX Configuration—[10-3] CO & Incoming Call—DDI / DID Table—DDI / DID Destination—Day, Lunch,
Break, Night
18.5 PBX Configuration—[10-5] CO & Incoming Call—Miscellaneous—Intercept—Routing to Operator - No
Destination (Destination is not programmed.)
4.3.1.4 Common Extension Numbering for 2 PBXs
Description
Two PBXs can have extensions with the same leading number. TIE Line calling is available using extension
numbering.
PBX-1
Interface
Extn.1011
Extn.1012
Dials "1013".
Explanation:
If a dialled number is not found at the local PBX, the call can be sent to the remote PBX.
When an extension number is dialled, the PBX first searches local extensions for a matching number. If
there is no match, the PBX then checks the TIE Line Routing Table for a corresponding entry. If an entry is
found, the call is sent to the connected PBX.
Case 1:
Extension 1012 of PBX-1 dials extension number "1011".
→ The dialled number is found at the local PBX, so extension 1012 of PBX-1 is connected to extension
1011 of PBX-1.
Case 2:
Extension 1012 of PBX-1 dials extension number "1013".
→ The dialled number is not found at the local PBX, so the call is redirected to the specified TIE Line, and
extension 1012 of PBX-1 is connected to extension 1013 of PBX-2.
Conditions
•
System programming is required to enable this feature.
4.3.2 Voice over Internet Protocol (VoIP) Network
Description
When a PBX is connected to another PBX via a private IP network, voice signals are converted into IP
packets and sent over the network. This is known as Voice over IP (VoIP). This PBX uses the H.323
standard for VoIP communication.
VoIP networks support private network communications using TIE line service.
362
Feature Manual
PBX-2
TIE Line
Interface
Extn.1013
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