CP-8811-3PC-RC-K9 Specification
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| Audio codec support |
- G.711a-law and mu-law, G.722, G.729a, Internet Low Bitrate Codec (iLBC), and Internet Speech Audio Codec (iSAC)
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| Call features |
- + Dialing
- Abbreviated dialing
- Adjustable ring tones and volume levels
- Adjustable display brightness
- Call park
- Call pickup
- Call timer
- Call waiting
- Call chaperone
- Caller ID
- Redial
- Ring tone per line appearance
- Service Uniform Resource Locator (URL)
- Shared line
- Silent monitoring and recording
- Speed dial
- Time and date display
- Transfer
- Uniform Resource Identifier (URI) dialing
- Visual voice mail
- Voice mail
- Whisper coaching
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| Electronic hookswitch |
- You can control the hookswitch electronically with a third-party headset connected to an auxiliary port.
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| Quality-of-service (QoS) options |
- The phone supports Cisco Discovery Protocol and 802.1Q/p standards, and can be configured with an 801.1Q VLAN header containing the VLAN ID overrides configured by the Admin VLAN ID.
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| Network features |
- Session Initiation Protocol (SIP) for signaling
- Session Description Protocol (SDP)
- IPv4 and IPv6
- User Datagram Protocol (UDP) (used only for Real-Time Transport Protocol [RTP] 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 Hypertext Transfer Protocol (HTTPS)
- VLAN
- Real-Time Transport Protocol (RTP)
- Real-Time Control Protocol (RTCP)
- Cisco Peer-to-Peer Distribution Protocol (PPDP)
- Cisco Discovery Protocol
- LLDP (including LLDP-MED)
- Switch speed auto-negotiation
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| Security features |
- Secure boot
- Secure credential storage
- Device authentication
- Configuration file authentication and encryption
- Image authentication
- Random bit generation
- Hardware cryptographic acceleration
- Certificate Authority Proxy Function (CAPF)
- Manufacturer-Installed Certificates (MIC)
- Locally Significant Certificates (LSC)
- 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
- Media authentication and encryption using SRTP
- HTTPS for client and server
- Secure Shell (SSH) Protocol server
- Secure Sockets Layer (SSL)-based VPN client
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Physical dimensions
(H × W × D) |
- 9.02 x 10.13 x 1.57 in. (229.1 x 257.34 x 40 mm)
(excluding foot stand)
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| Weight (with handset) |
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| Phone-casing composition |
- Polycarbonate acrylonitrile butadiene styrene (ABS) textured plastic; Cosmetic class A
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| Operational temperature |
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| Nonoperational temperature shock |
- 14 to 140°F (-10 to 60°C)
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| Humidity |
- Operating 10 to 90%, noncondensing
- Nonoperating 10 to 95%, noncondensing
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| Language support |
- Arabic (Arabic Area)
- English (United Kingdom)
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