3.1.19. gc_UnListen( )

When the gc_UnListen( ) function is used to stop an IP Media device listening to a digital network interface device, the linedev parameter must be the line device handle returned by gc_OpenEx( ) when:

• the network (N_iptBxTy) and media (M_ipmBxCy) devices are specified in the devicename parameter
• a network (N_iptBxTy) device that has a media device attached is specified in the devicename parameter

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