2.39. gc_WaitCall( )

A B channel (timeslot) is considered as barred at board download time or after a gc_ResetLineDev( ) function is issued. To consider a B channel as unbarred, the client application has to issue a gc_WaitCall( ) function on the corresponding line device.

An incoming call that is explicitly requesting a barred or busy B channel is automatically rejected with the appropriate cause value, while an incoming call that is not explicitly requesting a barred or busy B channel is automatically offered on one of the unbarred and Idle B channels if any.

To make a call that is not explicitly requesting a specific B channel, the client application has to issue a gc_SetInfoElement( ) to override the default Channel_Id_IE information element prior to issuing the gc_MakeCall( ) function.

The GCEV_OFFERED event returned after calling the gc_WaitCall( ) function indicates that a setup message was received from the network.

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