1.25 Networking Features
206 Feature Guide
1.25.2 QSIG Network
1.25.2.1 QSIG Network—OVERVIEW
Description
TIE line service can be used on a private network that implements the QSIG protocol (Q.931). QSIG offers
TIE line service as well as advanced caller and called party identification features.
The following services are available when TIE line calls are made on a private network established via
QSIG.
Network Direct Station Selection
It is possible to assign Network Direct Station Selection (NDSS) buttons to monitor the status of extensions
connected to other PBXs in the network, and to make or transfer calls to those extensions with one touch
(→ 1.25.2.3 Network Direct Station Selection (NDSS) (KX-TDA5920 required)).
Feature Guide References
1.25.1 TIE Line Service
Service Description Details in
Calling Line Identification
Presentation (CLIP)
When a call is made, the caller's extension number
is sent to the other PBX.
• 1.25.2.2 Calling/
Connected Line
Identification
Presentation
(CLIP/COLP) and
Calling/
Connected Name
Identification
Presentation
(CNIP/CONP)—
by QSIG
Calling Line Identification
Restriction (CLIR)
When a call is made, the caller's extension number
is not sent to the called party.
Calling Name Identification
Presentation (CNIP)
When a call is made, the caller's extension name
is sent to the other PBX.
Calling Name Identification
Restriction (CNIR)
When a call is made, the caller's extension name
is not sent to the called party.
Connected line Identification
Presentation (COLP)
When a call is answered, the extension number of
the answering party is sent back to the caller's
PBX.
Connected Line Identification
Restriction (COLR)
When a call is answered, the extension number of
the answering party is not sent back to the caller's
extension.
Connected Name Identification
Presentation (CONP)
When a call is answered, the answering party's
extension name is sent back to the caller's PBX.
Connected Name Identification
Restriction (CONR)
When a call is answered, the answering party's
extension name is not sent back to the caller's
extension.