发明授权
EP1495625B1 PROVIDING OF PRESENCE INFORMATION TO A TELEPHONY SERVICES SYSTEM 有权
提供存在信息电话服务系统

PROVIDING OF PRESENCE INFORMATION TO A TELEPHONY SERVICES SYSTEM
摘要:
Systems, methods and program products are disclosed for determining billable usage of a communication system (10) wherein services are provided via instant communications (14). In some embodiments, the present invention provides for authorizing the fulfillment of service requests based upon information pertaining to a billable account.
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