1.2.3 Extended Connection

Note: Extended connection is supported on Intel® Dialogic® MSI/SC-Global Series boards only.

A connection is defined as a full-duplex, TDM bus routing between two parties. One of the parties in the connection must be a station on an MSI-supported board. An extended connection allows a coach to join a connection at anytime without interrupting the conversation between the pupil and the client.

An extended connection is a connection where there is a third party, herein referred to as the connection extender, that can always hear what the other two parties are saying. The connection extender's input in the connection is application defined. If the connection extender has no input, it is in monitor mode. If the connection extender can talk to only one party, designated as the pupil, it is in coach mode. If the connection extender can talk to both members of the connection, it is in participant mode.

Notes:

1. A connection may be set up using the TDM bus routing convenience function, nr_scroute( ). For details on this function, refer to the Voice API Library Reference.
2. The application is responsible for seting up a connection prior to extending it. The MSI software does not check for the presence of a connection between parties in order to extend it.

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