| 摘要 |
The present invention is directed generally to telephony networks and specifically to presence-aware telephony networks. One aspect of the invention provides a method for providing a subscriber with information regarding one or more eligible messages, comprising: receiving, from a subscriber, at least one of an address and telephone number associated with a communication device of a party to be contacted; providing the at least one of an address and telephone number to a messaging system; receiving a response from the messaging system; when the response indicates that at leas t one eligible message exists from the party to be contacted, notifying the subscriber of the at least one eligible message before the contact is made with the contacted party's communication device; and when the response indicates that no eligible messa ge exists from the contacted party's communication device, permitting the contact to b e made with the contacted party's communication device.
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