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ITG Trunk 2.0 ISDN Signaling Link (ISL) Description, Installation and Operation
Figure 7
ITG configuration
ISDN signaling between the Meridian 1 and the ITG ISL Trunk supports the
delivery of Calling Line Identification (CLID) and feature messaging. ISL
DCH signaling provides the necessary signaling connection over which data,
including CLID and feature-specific messaging, can be passed.
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IP Network
Router
LAN
LAN
ISL
ISL
Router
MSDL
Follower
Leader
DCHIP
Follower
Leader
DCHIP
Router
LAN
ISL
MSDL
MSDL
Follower
Leader
DCHIP