IP telephone and method for controlling supplementary services

摘要

A request destination management table that stores therein a service ID uniquely identifying a service being interrelated with a request destination to which execution of a service is requested and a report destination management table that stores therein a call ID uniquely identifying a call being interrelated with a report destination of a call state transition report indicative of state transition of the call are provided. An IP telephone receives a request for a supplementary service, obtains a request destination corresponding to a service ID of the supplementary service from the request destination management table, and transfers the request for the supplementary service to the request destination. The IP telephone receives a call state transition report, obtains a report destination corresponding to a call ID of the call state transition report from the report destination management table, and transfers the call state transition report to the report destination.

主权项

1. An Internet Protocol (IP) telephone comprising:
a report destination management table that is set therein (a) a call identifier uniquely identifying a call, (b) service status, and (c) a report destination of a call state transition report being interrelated with each other, the report destination being determined based on the call identifier and the service status, the call state transition report indicating call state transition for every call identifier, the service status indicating a supplementary service, the supplementary service including at least one of call park and call pickup; a report transfer unit that receives the call state transition report, obtains the report destination corresponding to a call identifier of the received call state transition report from the report destination management table, and transfers the received call state transition report to the obtained report destination; and a module management table including a vendor identifier uniquely identifying a vendor, a service identifier of the vendor, and a module identifier uniquely identifying a module that executes the service.