| Product specifications | |
| Feature | Specifications |
| Audio | G.711 a-law and mu-law, wideband (G.722), G.729a, G.729ab, Internet Low Bitrate Codec (iLBC), OPUS
Automatic Gain Control
Comfort Noise Generation
Silence Suppression/Voice Activity Detection
Echo Suppression
Dynamic Noise Reduction |
| Acoustics | Frequency: Speaker, 100 Hz to 20 kHz; microphones, 100 Hz to 12 kHz, ±3 dB
Max adjustable volume: 89 dB within 0.5 m |
| Call features | + Dialing
Adjustable ring tones and volume levels
Barge Call forward
Call history lists
Call park
Call timer
Call waiting
Caller ID
Corporate directory
Conference
Hold
Music on Hold (MoH)
Mute
Predialing before sending
Redial
Shared line
Speed dial (Favorites)
Time and date display
Transfer
Voicemail (messages) |
| Quality-of-Service (QoS) options | The phone supports Cisco Discovery Protocol and 802.1Q/p standards and can be configured with an 802.1Q VLAN header containing the VLAN ID overrides configured by the admin VLAN ID. |
| Network features | Session Initiation Protocol (SIP) for signaling
Session Description Protocol (SDP)
IPv4
IPv6
User Datagram Protocol (UDP) (used only for Real-Time Transport Protocol streams)
Dynamic Host Configuration Protocol (DHCP) client or static configuration
Gratuitous Address Resolution Protocol (GARP)
Domain Name System (DNS)
Trivial File Transfer Protocol (TFTP)
Secure HTTP (HTTPS)
VLAN
Real-Time Transport Protocol (RTP)
Real-Time Control Protocol (RTCP)
Cisco Discovery Protocol
LLDP (including LLDP-MED)
Switch speed auto-negotiation |
| Security features | Secure credential storage
Image authentication
Random bit generation
Manufacturer-Installed Certificates (MICs )
Secure boot
SHA-256 enabled for advanced security features
Ethernet 802.1X supplicant options: Extensible Authentication Protocol – Flexible Authentication via Secure Tunneling (EAP-FAST) and Extensible Authentication Protocol – Transport Layer Security (EAP-TLS)
Signaling authentication and encryption using TLS v1.2
Media authentication and encryption using SRTP
HTTPS for client and server
Secure Shell (SSH) Protocol server |
Physical dimensions
(H x W x D) | 10.9 x 10.9 x 2.4 in. (278 x 278 x 61 mm) |
| Weight | 4.07 lb (1.85 kg) |
| Phone-casing composition | Acrylonitrile Butadiene Styrene (ABS) textured plastic; Cisco cosmetic class A |
| Operational temperature | 32° to 104°F (0° to 40°C) |
| Nonoperational temperature shock | 14° to 140°F (–10° to 60°C) |
| Humidity | Operating 10% to 90%, noncondensing
Nonoperating 10% to 95%, noncondensing |
| Language support | Arabic (Arabic Area)
Bulgarian (Bulgaria)
Catalan (Spain)
Croatian (Croatia)
Czech (Czech Republic)
Danish (Denmark)
Dutch (Netherlands)
English (United Kingdom)
Estonian (Estonia)
French (Canada)
French (France)
Finnish (Finland)
German (Germany)
Greek (Greece)
Hebrew (Israel)
Hungarian (Hungary)
Italian (Italy)
Japanese (Japan)
Korean (Korea Republic)
Latvian (Latvia)
Lithuanian (Lithuania)
Norwegian (Norway)
Polish (Poland)
Portuguese (Portugal)
Portuguese (Brazil)
Romanian (Romania)
Russian (Russian Federation)
Serbian (Republic of Serbia)
Serbian (Republic of Montenegro)
Simplified &Traditional Chinese (China)
Slovak (Slovakia)
Slovenian (Slovenia)
Spanish (Columbia)
Spanish (Spain)
Swedish (Sweden)
Thai (Thailand)
Turkish (Turkey)
Ukrainian (Ukraine) |
