| 摘要 |
An electronic system 90 for forming a control channel 32 between an electronic device 10 and a videotelephone device 14 such that the electronic device 10 controls the videotelephone device 14. The videophone 14 and the electronic device 10 are each connected to the Internet 104. The electronic device 10 is configured to request, over the Internet 104, a control channel 31,32 to be formed between the electronic device 10 and the videotelephone 14 through which the electronic device 10 can control the videotelephone device 14. The system 90 includes computers 108 connected to the Internet 104 and configured to form the control channel 31,32. Preferably each device is connected to the internet through respective local area networks which are not in direct communication connection with each other. The control channel may pass through a demilitarized zone (DMV) or a firewall on one of the networks. Preferably the electronic device is a portable or mobile device such as a smart phone or tablet. The videotelephone may be a videoconference or telepresence device. Independent claims are included for the computers 108 responsible for setting up the control channel 31,32, for the electronic device 10 and for the videophone device 14. |
