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General| Protocols | SIP, SCCP |
|---|---|
| Resolution | 640 x 480 pixels |
| Audio | Wideband audio |
| Ethernet | 10/100/1000 |
| USB | Yes |
| Power | PoE 802.3af |
| Speakerphone | Full-duplex |
| Headset Jack | Yes |
| Codec Support | G.711a, G.711µ, G.722, G.729a, G.729ab, iLBC |
| Expansion Module Support | Yes, up to 3 Cisco Unified IP Phone Expansion Module |
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