Q-Sig
Description
A basic form of QSIG is provided to allow for desk to desk dialling between systems,
incoming trunk routing across the QSIG link and, depending on connection method chosen,
trunk breakout on the remote system.
Q
T Interface
This is a PSTN interface to the local network
S Interface
This is an internal BRI (S-Bus) or PRI link.
R Interface
This is the system telephone interface.
QT Interface
This is the QSIG link in the 'standard' configuration with the originating system being the TE
and the PINX being the NT.
The link will be configured as an ISDN trunk (10-03-01 = T-point) with normal DDI routing
configured to accept incoming calls.
QS Interface
This is an internal PRI being used as QSIG link (10-03-01 = S-point). Here the originating
system provides the NT and the remote PINX is the TE.
In this configuration the the B-channels have to be assigned to a station group with a pilot
number and S-point DDI digits assigned to allow 'arbitrary'; dialling.
Q-Sig
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