7.2 Resource Routing

When using Global Call, the standard Intel® Dialogic® routing functions for routing voice, fax, and other non-network interface resources are used. The Global Call functions gc_GetNetworkH( ) and gc_GetVoiceH( ) extract the network and voice device handles, respectively.

In Windows environments, the gc_GetNetworkH( ) function returns the network device handle for a specified line device which is then used by the routing functions to route the device. The gc_GetVoiceH( ) function extracts the voice device handle associated with a specified line device. The gc_GetVoiceH( ) function returns the voice device handle only if the specified line device has a voice or tone resource associated with it, for example, if a voice channel was specified in gc_OpenEx( ) function device name argument and if this channel has remained attached to that line device.

Refer to the appropriate Global Call Technology User's Guide for technology specific information on routing resources when using the gc_OpenEx( ) function to specify a voice or tone resource, or when using the gc_AttachResource( ) function to associate a voice or media resource with a Global Call line device.

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