| Features | | High-def Video (720p) | - | - | Yes | - | - | Yes | | Integral switch | Gigabit | Gigabit | Gigabit | Gigabit | Gigabit | Gigabit | | Programmable (line) keys | 5 | 5 | 5 | 5 | 5 | 5 | | Bluetooth/DECT | - | - | Bluetooth | Bluetooth | Bluetooth | Bluetooth | | Cisco Intelligent Proximity | - | - | Yes | Yes | Yes | Yes | | USB (physical ports) | - | - | - | 1 | 2 | 2 | | KEM | - | - | - | 2 | 3 | 3 | | Wi-Fi (802.11n) | - | - | - | - | Yes | Yes | | Wall-mountable | Yes | Yes | Yes | Yes | Yes | Yes |
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