Cisco 7821 Two-Line IP Phone (Charcoal)
Technology
Voice Codecs | G.711μ/a, G.722, G.729a, Internet Low Bitrate Codec (iLBC) |
Session Initiation Protocol (SIP) Support | Yes |
Connectivity
Ethernet Ports | 2 x RJ45 Fast Ethernet |
Wireless Security | AES |
General
Supported Languages | Arabic Bulgarian Croatian Czech Danish Dutch English Estonian Finnish French German Greek Hebrew Hungarian Italian Japanese Korean Norwegian Polish Portuguese Romanian Russian Serbian Slovak Slovenian Spanish Swedish Thai Traditional Chinese Turkish |
Display
Screen Size | 3.5" |
Screen Resolution | 396 x 162 |
Touchscreen | None |
Environmental
Operating Temperature | 32 to 104°F / 0 to 40°C |
Operating Humidity | 10 to 90>#/td### |
Storage Temperature | 14 to 140°F / -10 to 60°C |
Storage Humidity | 10 to 95>#/td### |
Certifications | CAN/CSA, CE, CISPR 22 - Class B, EN 60950-1, FCC, UL, VCCI, as per Manufacturer |
Physical
Material of Construction | ABS Plastic, Polycarbonate |
Dimensions | 8.1 x 8.1 x 1.1" / 207.0 x 206.0 x 28.0 mm |
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