Communications availability

A network based system for dynamically revealing communication availability status of one or more subscribers to one or more entities, said network including one or more connected servers retaining and processing one or more elements of said system, said availability based on one or more subscriber defined parameters, subscriber's active devices and an identity of an entity receiving said availability status, said system comprising:

• at least one server operatively connected to said one or more subscribers and entities;
• one or more software agents, each operative with said server and comprising:
• a policy retriever retrieving a policy of said one or more subscribers related to said one or more entities;
• a presence retriever obtaining presence information regarding one or more communication devices utilized by said subscriber;
• an availability calculator calculating, based on said policy and
• obtained presence information, said subscriber's availability for one or more entities, and
• said server transmitting said calculated subscriber's availability to at least one correlating entity of said one or more entities.

An article of manufacture comprising computer usable medium having computer readable code embodied therein that dynamically reveals availability modes of communication of one or more subscribers to one or more entities, said medium comprising:

• a. computer readable program retrieving a subscriber's policy regarding communication with each identified entity;
• b. computer readable program retrieving presence information regarding the activation status of one or more communication devices utilized by said subscriber;
• c. computer readable program calculating, based on said subscriber's policy and retrieved presence information, said subscriber's availability, and
• d. computer readable program revealing said calculated subscriber's availability to said identified entities.