| 摘要 |
A system and method is described here for discovering capabilities of nearby telephones using a secondary communication channel. The secondary communication channel can use various media that can include infrared, Bluetooth, Wi-Fi 802.11 a/b/g, or any other medium that is not used for the purpose of primary telephone communication. Usage of the secondary channel isolates this feature from the state of the art system and at the same time provides for a common method of interoperability for various telephones. Infrared communication for the secondary channel is preferred, due to its cost, and easy of usage.
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