Patent ID: 8204199
Filing Date: 2012-06-19
Classification: H04M

Abstract:
1. A method for monitoring one of a plurality of statuses of a first telephony device over a network by a second telephony device, the method comprising: sending a request for a permission for said status of the first telephony device to be monitored by the second telephony device to a server; receiving an authorizing signal indicating a permission from the first telephony device for said status of the first telephony device to be monitored by the second telephony device from the server; receiving a message including said status of the first telephony device from the server, the message being encrypted using a public key of the second telephony device and accompanied by a digital signature of the server and said status being provided to the server from the first telephony device, and wherein when the first telephony device initiates a communication with a monitored third telephony device, the first telephony device provides said status of the first telephony device and a status of the monitored third telephony device to the server, said status of the first telephony device and the status of the monitored third telephony device indicating that the first telephony device and the monitored third telephony device are connected; and monitoring said status of the first telephony device by (i) verifying an identity of the server by validating the digital signature, and (ii) decrypting the message using a private key of the second telephony device.