Personalizing communications for a first communication platform includes accessing status information for communication sessions by a communication identity that leverage a first communication platform other than an instant messaging platform. A participant list associated with the communication identity and the first communication platform is passively configured to persistently reflect a list of participant identities from communication sessions in which the communication identity recently participated using the communication platform.

Passive personalization of buddy lists

One embodiment of the disclosures made herein is a method for facilitating mediated communication. In such an embodiment of the disclosures made herein, a voice-based communication request transmitted from a first communication device is received by a mediation system. The voice based communication request is requesting voice-based communication between the first communication device and a second communication device. In response to receiving the request for voice-based communication, a capability of the first communication device for communicating via a prescribed text messaging protocol is determined. Facilitating presentation of a text messaging follow-through action at the second communication device is performed in response to determining that the first communication device is capable of communicating via the prescribed text messaging protocol.

Method and system for facilitating mediated communication

Systems and methods for selectably controlling and customizing source access to a network, where the source is associated with a source computer, and wherein the source computer has transparent access to the network via a gateway device and no configuration software need be installed on the source computer to access the network. A user may be prevented access from a particular destination or site based upon the user's authorization while being permitted to access to other sites that the method and system deems accessible. The method and system can identify a source without that source's knowledge, and can access customizable access rights corresponding to that source in a source profile database. The source profile database can be a remote authentication dial-in user service (RADIUS) or a lightweight directory access protocol (LDAP) database. The method and system use source profiles within the source profile database to dynamically authorize source access to networks and destinations via networks.

Systems and Methods for Providing Dynamic Network Authorization, Authentication and Accounting

The present invention is directed to a presence and availability system including: (a) an input (e.g., an interface) operable to receive an agent report from a context sensing agent in a host entity associated with a person, the agent report comprising presence information and the person having an address in an associated name space; (b) a tracking agent (154) operable to tag at least some of the presence information with at least one classification tag; and (c) a policy agent (158) operable to determine presence information to be provided to a requestor based on the at least one classification tag.

Presence tracking and name space interconnection techniques

Systems and methods for managing and providing content and services on a network system. Aspects of the invention include location-based determination of network content and services that may be provided to client computers. Other aspects of the invention include authorization and authentication components that determine access rights of client computers. Additional aspects include systems and methods for redirecting client computers to different network content. The disclosed systems and methods may be used in numerous network system applications.

Systems and methods for providing content and services on a network system

A communications system (10) includes a packet-based data network (12) that is coupled to various network elements (14, 16, 18, 20, 22, and 34) that are capable of participating in audio-based call sessions over the data network (12). The audio-based call sessions may be defined according to a Session Initiation Protocol (SIP) or to another type of protocol (e.g., H.323). The network elements (14, 18, 22, and 34) are also capable of participating in text-based chat sessions. Text messages exchanged in such text-based chat sessions are carried in messages, such as SIP Info messages, that are defined according to the protocol for audio-based call sessions. The SIP Info messages carrying the text messages may be communicated either during an established audio-based call session or outside of an audio-based call session. Using SIP (or another signal protocol) messages to carry the text messages allows such messages to be conveniently transported through a firewall system.

Text-based communications over a data network

A method and apparatus for communicating data units (e.g., Internet Protocol or IP packets) between devices (22, 24, 36, 49) on one or more networks includes storing address and/or port translation information, and receiving a data unit having a source address and port and a destination address and port. Both the source and destination addresses and/or ports are translated, with the data unit containing the translated source and destination addresses and/or ports transmitted to a destination.

Network address and/or port translation

A method and apparatus in a communications system for providing advanced Internet Protocol (IP) telephony services in an intelligent endpoint. The apparatus and method of the present invention provides a user with the capability to update a local directory from a directory server, perform click to call functions, and perform intelligent processing of incoming calls.

Method and apparatus for providing advanced IP telephony services in an intelligent endpoint

A method and apparatus of communicating over a data network includes providing a user interface in a control system for call control and to display information relating to a call session. The control system communicates one or more control messages (e.g., Session Initiation Protocol or SIP messages) over the data network to establish a call session with a remote device in response to receipt of a request through the user interface. One or more commands are transmitted to a voice device associated with the control system to establish the call session between the voice device and the remote device over the data network. A Real-Time Protocol (RTP) link may be established between the voice device and the remote device.

Controlling voice communications over a data network

A method and apparatus of protecting a first network (50) from unauthorized access includes storing profile information for each call session, and determining if an unauthorized access of the first network (50) is occurring based on the profile information. The profile information includes a predetermined threshold indicating a maximum acceptable rate of incoming data units from an external network (14) to the first network (50). If the incoming data unit rate exceeds the predetermined threshold, then a security action is taken, such as generating an alarm or preventing further transport of data units from the external network (14) to the first network (50).

Protecting a network from unauthorized access

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