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ACD Agent Monitoring and Control
Monitoring and control of ACD agent status on stations is supported through
these functions: lineGetAgentCaps, lineGetAgentStatus, lineGetAgentGroupList, lineGetAgentActivityList, lineSetAgentGroup, lineSetAgentState, and lineSetAgentActivity. The LINE_AGENTSTATUS message is used to indicate when agent information has changed.
These controls are associated with an address instead of a line because many ACD systems are implemented with different ACD
queues associated with buttons on the phone terminal (and separate call
appearances). Also, ACD agent phones can often have separate call appearances for
personal calls.
Architecturally, ACD functionality should be implemented in a server-based
application. The client functions mentioned above, rather than mapping to the
telephony service provider, are conveyed to a server application which has
registered (using an option of lineOpen) as a handler for such functions. The LINE_PROXYREQUEST message is used to signal to the handler application when a request has been
made; it calls the lineProxyResponse function to return results and data. Handler applications can also call lineProxyMessage to generate LINE_AGENTSTATUS messages when required. In the case of a legacy
PBX or stand-alone ACD which implements ACD functionality itself, the telephony
service provider for the switch must include a proxy server application that
accepts the requests and routes them (possibly using lineDevSpecific functions or a private interface) to the service provider, which routes them
to the switch.
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