|
Features |
Specifications |
|
Audio |
● Automatic Gain Control
● Comfort Noise Generation
● Silence Suppression/Voice Activity Detection
● Acoustic Echo Cancellation (AEC)
● Dynamic Noise Reduction
|
|
Audio codec support |
● G.711a-law and mu-law, G.722, G.729a/b, Internet Low Bitrate Codec (iLBC), and Internet Speech Audio Codec (iSAC), G.722.1, G.772.2, OPUS
|
|
Call features |
● + Dialing
● Busy Lamp Field (BLF)
● Busy Lamp Field (BLF) Pickup
● Busy Lamp Field (BLF) speed dial
● Call filter
● Call chaperone
● Cross Cluster Extension Mobility (EMCC)
● Mobility
● Mute
● PickUp
● Private Line Automated Ringdown (PLAR)
● Silent monitoring and recording
● Speed dial
● Time and date display
● Transfer
● Uniform Resource Identifier (URI) dialing
● Visual voice mail
● Voice mail
● Whisper coaching
|
|
Electronic hookswitch |
● You can control the hookswitch electronically with a third-party headset connected to the auxiliary port.
|
|
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.
|
|
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
|
|
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
|
|
● 9.02 x 10.13 x 1.57 in. (229.1 x 257.34 x 40 mm)
(excluding foot stand) |
|
|
Weight (with handset) |
● 2.58 lb (1.17 kg)
|
|
Phone-casing composition |
● Polycarbonate acrylonitrile butadiene styrene (ABS) textured plastic; 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)
● 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)
|
Cisco CP-8841-3PCC-K9= IP Phone Price in London, UK
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