Abstract: A method of initiating a call to a callee using a mobile telephone involves: receiving, from a user of the mobile telephone, a callee identifier associated with the callee; transmitting an access code request message to an access server, the access code request message including the callee identifier; receiving an access code reply message from the access server in response to the access code request message, the access code reply message including an access code different from the callee identifier and associated with the callee identifier; and initiating a call with the mobile telephone using the access code to identify the callee.

Abstract: Facilitating uninterrupted transmission of internet protocol (IP) transmissions during endpoint changes is disclosed. When an IP transmission is received at a first relay port or a second relay port, a call record having the first relay port identifier or the second relay port identifier matching a destination port identifier in the IP transmission is located. When the destination port identifier matches the first relay port identifier of the record, a source IP address identifier and a source port identifier from the IP transmission are set as a first entity IP address identifier and first entity port identifier, respectively, of the record when the first entity IP address identifier and first entity port identifier do not match the source IP address identifier and source port identifier respectively and a received IP session identifier in the IP transmission matches the first entity session identifier. A similar procedure is followed to set a second entity IP address identifier and port identifier.

Abstract: A method of initiating a call to a callee using a mobile telephone involves: receiving, from a user of the mobile telephone, a callee identifier associated with the callee; transmitting an access code request message to an access server, the access code request message including the callee identifier; receiving an access code reply message from the access server in response to the access code request message, the access code reply message including an access code different from the callee identifier and associated with the callee identifier; and initiating a call with the mobile telephone using the access code to identify the callee.

Abstract: Facilitating uninterrupted transmission of internet protocol (IP) transmissions during endpoint changes is disclosed. When an IP transmission is received at a first relay port or a second relay port, a call record having the first relay port identifier or the second relay port identifier matching a destination port identifier in the IP transmission is located. When the destination port identifier matches the first relay port identifier of the record, a source IP address identifier and a source port identifier from the IP transmission are set as a first entity IP address identifier and first entity port identifier, respectively, of the record when the first entity IP address identifier and first entity port identifier do not match the source IP address identifier and source port identifier respectively and a received IP session identifier in the IP transmission matches the first entity session identifier. A similar procedure is followed to set a second entity IP address identifier and port identifier.

Abstract: Facilitating uninterrupted transmission of internet protocol (IP) transmissions during endpoint changes is disclosed. When an IP transmission is received at a first relay port or a second relay port, a call record having the first relay port identifier or the second relay port identifier matching a destination port identifier in the IP transmission is located. When the destination port identifier matches the first relay port identifier of the record, a source IP address identifier and a source port identifier from the IP transmission are set as a first entity IP address identifier and first entity port identifier, respectively, of the record when the first entity IP address identifier and first entity port identifier do not match the source IP address identifier and source port identifier respectively and a received IP session identifier in the IP transmission matches the first entity session identifier. A similar procedure is followed to set a second entity IP address identifier and port identifier.

Abstract: Facilitating uninterrupted transmission of internet protocol (IP) transmissions during endpoint changes is disclosed. When an IP transmission is received at a first relay port or a second relay port, a call record having the first relay port identifier or the second relay port identifier matching a destination port identifier in the IP transmission is located. When the destination port identifier matches the first relay port identifier of the record, a source IP address identifier and a source port identifier from the IP transmission are set as a first entity IP address identifier and first entity port identifier, respectively, of the record when the first entity IP address identifier and first entity port identifier do not match the source IP address identifier and source port identifier respectively and a received IP session identifier in the IP transmission matches the first entity session identifier. A similar procedure is followed to set a second entity IP address identifier and port identifier.

Abstract: A method and apparatus providing uninterrupted transmission of IP transmissions, during endpoint changes is disclosed. If a destination identifier in a received IP transmission matches a caller identifier of a record and a source address identifier or source identifier in the transmission do not match a caller address identifier or the caller identifier of the record, and a session identifier in the transmission matches a caller session identifier in the record, the source address identifier and the source identifier in the transmission are set as the caller address identifier and caller identifier respectively of the record. A similar procedure is followed to set the callee address identifier and callee identifier of the record using similar fields associated with the callee.

Abstract: A method and apparatus providing uninterrupted transmission of IP transmissions, during endpoint changes is disclosed. If a destination identifier in a received IP transmission matches a caller identifier of a record and a source address identifier or source identifier in the transmission do not match a caller address identifier or the caller identifier of the record, and a session identifier in the transmission matches a caller session identifier in the record, the source address identifier and the source identifier in the transmission are set as the caller address identifier and caller identifier respectively of the record. A similar procedure is followed to set the callee address identifier and callee identifier of the record using similar fields associated with the callee.

Abstract: A method apparatus and computer readable medium for facilitating uninterrupted transmission of internet protocol (IP) transmissions containing real time transport protocol (RTP) data during endpoint changes. When an IP transmission is received at the caller RTP port or the callee RTP port, a call record having a caller RTP port identifier or a callee RTP port identifier matching a destination port identifier in the IP transmission is located and when the destination port identifier in the IP transmission matches the caller RTP port identifier of the record, a source IP address identifier and source port identifier from the IP transmission are set as the caller IP address identifier and caller port identifier respectively of the record when the caller IP address identifier and caller port identifier do not match the source IP address identifier and source port identifier respectively and a received SSRC identifier in the IP transmission matches the caller SSRC identifier.

Abstract: A method of initiating a call to a callee using a mobile telephone involves: receiving, from a user of the mobile telephone, a callee identifier associated with the callee; transmitting an access code request message to an access server, the access code request message including the callee identifier; receiving an access code reply message from the access server in response to the access code request message, the access code reply message including an access code different from the callee identifier and associated with the callee identifier; and initiating a call with the mobile telephone using the access code to identify the callee.

Abstract: A method of initiating a call to a callee using a mobile telephone involves: receiving, from a user of the mobile telephone, a callee identifier associated with the callee; transmitting an access code request message to an access server, said access code request message including said callee identifier; receiving an access code reply message from the access server in response to said access code request message, said access code reply message including an access code different from said callee identifier and associated with said callee identifier; and initiating a call with the mobile telephone using said access code to identify the callee.

Abstract: A method apparatus and computer readable medium for facilitating uninterrupted transmission of internet protocol (IP) transmissions containing real time transport protocol (RTP) data during endpoint changes. When an IP transmission is received at the caller RTP port or the callee RTP port, a call record having a caller RTP port identifier or a callee RTP port identifier matching a destination port identifier in the IP transmission is located and when the destination port identifier in the IP transmission matches the caller RTP port identifier of the record, a source IP address identifier and source port identifier from the IP transmission are set as the caller IP address identifier and caller port identifier respectively of the record when the caller IP address identifier and caller port identifier do not match the source IP address identifier and source port identifier respectively and a received SSRC identifier in the IP transmission matches the caller SSRC identifier.

Abstract: A method of initiating a call to a callee using a mobile telephone involves: receiving, from a user of the mobile telephone, a callee identifier associated with the callee; transmitting an access code request message to an access server, said access code request message including said callee identifier; receiving an access code reply message from the access server in response to said access code request message, said access code reply message including an access code different from said callee identifier and associated with said callee identifier; and initiating a call with the mobile telephone using said access code to identify the callee.