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isdnStopProtocol

Description

Shuts down a previously started ISDN protocol stack instance and releases all on-board resources and buffers used by the protocol stack instance.

Prototype

DWORD isdnStopProtocol ( CTAHD ctahd )
ctahd CTA context handle associated with a D channel, returned by ctaCreateContext.

Return Values

SUCCESS
CTAERR_INVALID_CTAHDThe CTA context handle is invalid.
CTAERR_INVALID_STATEAn ISDN protocol stack instance has not been started on the specified CTA context handle, or the instance is being started, or the instance is already stopped, or the instance is already in the process of stopping.

Events

ISDNEVN_STOP_PROTOCOLThe value field of this event contains the completion status of the protocol stopping operation. If the instance stopped successfully, the value field contains SUCCESS. Otherwise, an error appears here.

Details

Shuts down a previously started ISDN protocol stack instance and releases all HDLC LAPD or Q.931 ACU resources and buffers associated with the instance. Note: The process of stopping the stack can take several seconds.

See Also

isdnStartProtocol

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