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Switch integration is a means of data communication between the
host switch and the Messaging Application Server (MAS). Data communication
includes all call-related information such as the called party,
the calling party, and whether it is a direct call or a transfer
call. The data that is passed between the switch and the messaging
server governs how the Telephony User Interface Call Manager handles
the call.
Switch integration falls into various categories, which a particular
switch may or may not support. Factors that affect the choice of
integration include:
- Switch type
- Bearer channel type
- Signaling protocol type
The bearer channel is the channel that carries voice traffic, whereas
the signaling protocol is the protocol used for signal transfer.
Different switches require different methods of switch integration.
In Avaya Modular Messaging, the MAS supports the following types
of switch integration:
- Controlled LAN (C-LAN)
- Digital Multiplexed Interface - 4 (DMI-4)
- Digital Set Emulation (DSE)
- H.323 IP
- Inband
- Q-Signaling (QSIG)
- Serial RS-232
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