| Item # | 550839 |
| Manufacturer # | 10136998 |
| Backlight | Yes |
| brand name | Cisco |
| Buttons & Keys Type | Hold Button; Volume Control; Call Forward |
| Caller ID | Yes |
| Camera Resolution | 640 x 480 (VGA) |
| color | Charcoal |
| Communication Protocols | H.264; SIP |
| Connectivity Technology | Wireless |
| depth | 1.6 in. |
| Dialer Type | Touchscreen |
| Frame Rate at Max. Resolution | 30 fps |
| IP Phone Technology | VoIP |
| Key Expansion Module Max Qty | 3 |
| Lines Supported | 6 lines |
| manufacturer | Cisco Systems, Inc |
| model | 9971 |
| ports | 1 audio line in; 1 audio line out; 1 headset; 1 Power over Ethernet (PoE, RJ-45); 2 USB |
| Power Over Ethernet (PoE) Support | Yes |
| Product Series | 9900 |
| screen resolution | 640 x 480 |
| screen size | 5.6 in. |
| screen type | LCD |
| USB | Yes |
| Video Codecs | H.264 |
| Voice Codec | G.711a; G.711u; G.729a; G.729ab; G.722; iLBC |
| Weight (Approximate) | 3.48 lb |
| Wireless LAN Standard | IEEE 802.11a/b/g |
| wireless technology | Wi-Fi |
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