Cisco IP Phone CP-8841-K9, widescreen VGA, High-quality Voice Communication, easy to use, cisco EnergyWise
CP-8841-K9 Specifications |
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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 ● Agent greeting ● Auto-answer ● Auto-detection of headset ● cBarge ● Busy Lamp Field (BLF) ● Busy Lamp Field (BLF) Pickup ● Busy Lamp Field (BLF) speed dial ● Callback ● Call forward ● Call forward notification ● Call filter ● Call history lists ● Call park ● Call pickup ● Call timer ● Call waiting ● Call chaperone ● Caller ID ● Corporate directory ● Conference, including traditional Join feature ● Cross Cluster Extension Mobility (EMCC) ● Direct transfer ● Extension mobility ● Fast-dial service ● Forced access codes and client matter codes ● Group call pickup ● Hold ● Intercom ● Immediate divert ● Malicious-caller ID ● Message-waiting indicator (MWI) ● Meet-me conference ● Mobility ● Music on hold (MoH) ● Mute ● Network profiles (automatic) ● On- and off-network distinctive ringing ● Personal directory ● PickUp ● Predialing before sending ● Privacy ● Private Line Automated Ringdown (PLAR) ● 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 the 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 ● SSL-based VPN client |
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Physical dimensions |
● 9.02 x 10.13 x 1.57 in. (229.1 x 257.34 x 40 mm) |
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Weight (with handset) |
● 2.58 lb (1.17 kg) |
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Phone-casing composition |
● Polycarbonate acrylonitrile butadiene styrene (ABS) textured plastic; Cosmetic class A |
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Operational temperature |
● 32 to 104°F (0 to 40°C) |
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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) ● Bulgarian (Bulgaria) ● Catalan (Spain) ● Chinese (China) ● Chinese (Hong Kong) ● Chinese (Taiwan) ● Croatian (Croatia) ● Czech (Czech Republic) ● Danish (Denmark) ● Dutch (Netherlands) ● English (United Kingdom) ● Estonian (Estonia) ● French (France) ● French (Canada) ● Finnish (Finland) ● German (Germany) ● Greek (Greece) ● Hebrew (Israel) ● Hungarian (Hungary) ● Italian (Italy) ● Japanese (Japan) ● Latvian (Latvia) ● Lithuanian (Lithuania) ● Korean (Korea Republic) ● Norwegian (Norway) ● Polish (Poland) ● Portuguese (Portugal) ● Portuguese (Brazil) ● Romanian (Romania) ● Russian (Russian Federation) ● Spanish (Columbia) ● Spanish (Spain) ● Slovak (Slovakia) ● Swedish (Sweden) ● Serbian (Republic of Serbia) ● Serbian (Republic of Montenegro) ● Slovenian (Slovenia) ● Thai (Thailand) ● Turkish (Turkey) |
