Product DescriptionCP-7841-K9 SpecificationCP-7841-K9 SpecificationsSignaling protocol support Session Initiation Protocol (SIP)Codec support G.711a/μ, G.722, G.729a, iLBCKey call features support + Dialing (E.164) Abbreviated dial Adjustable ringing and volume levels Adjustable display contrast Agent greeting Auto-answer Auto-detection of headset (Not available on the IP Phone 7811) Busy Lamp Field (BLF) (Not available on the IP Phone 7811) Call back Call forward Call history Call park Call Pickup Call timer Call waiting Caller ID cBarge Corporate directory Conference Cross Cluster Extension Mobility (EMCC) Dial from the list Direct transfer Do not disturb Extension Mobility (EM) Forced access codes and client matter codes Group call pickup Hold/resume Immediate divert Intercom (Not available on the IP Phone 7811) Join (Not available on the IP Phone 7811) Message-waiting indicator Meet me conference Mobility Music on hold Mute Network profiles (automatic) On- and off-network distinctive ringing Personal directory Privacy Private Line Automated Ringdown (PLAR) Redial Ring tone per line appearance Shared line Silent monitoring and recording Speed dial Time and date display Transfer Voicemail Whisper coachingLanguage 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) 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)Multiple ring tones The phone supports user-adjustable ring tones.Directories The phone identifies incoming messages and categorizes them for users on the screen.This makes it fast and easy to return calls using direct dial-back capability. The corporatedirectory integrates with the Lightweight Directory Access Protocol (LDAP) standard directory.Quality-of-service (QoS) options The phone supports CDP and 802.1Q/p standards, and can be configured with an801.1Q VLAN header containing the VLAN ID overrides configured by the Admin VLAN ID.Security Certificates Image authentication Device authentication File authentication Signaling authentication Media encryption using Secure Real-Time Transfer Protocol (SRTP) using AES-128 Signaling encryption using Transport Layer Security (TLS) Protocol using AES-128 or AES-256 Encrypted configuration files 802.1X authentication CryptographyConfiguration options The user can configure IP address assignment statically or through the DHCP client.Physical dimensions (H×W×D) IP Phone 7841: 207 x 206 x 28mm (exclude foot stand)Weight IP Phone 7841: 868gDisplay IP Phone 7841: 3.5" 396×162 pixelsEthernet switch The phone has a 10/100BASE-T or a 10/100/1000BASE-T (The Cisco® IP Phone 7841) Ethernet connection through two RJ-45 ports, one for the LANconnection and the other for a downstream Ethernet device connection like a PC.Phone casing composition Polycarbonate acrylonitrile butadiene styrene (ABS) textured plastic.Power requirements The phone is an interoperable IEEE 802.3af PoE (Class 1 device); 48 VDC is required;it can be supplied locally at the desktop using an optional AC-to-DC power supply (CP-PWR-CUBE-3=).Use of the power supply also requires the use of one of the corresponding AC country cords.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%, non-condensing Non-operating 10% to 95%, non-condensingCosmetic Cisco cosmetic class ACertification and compliance Regulatory Compliance CE Markings per directives 2004/108/EC and 2006/95/EC Safety UL 60950 Second Edition CAN/CSA-C22.2 No. 60950 Second Edition EN 60950 Second Edition (including A11 & A12) IEC 60950 Second Edition (including A11 & A12) AS/NZS 60950 GB4943 EMC - Emissions 47CFR Part 15 (CFR 47) Class B AS/NZS CISPR22 Class B CISPR22: 2005 w/Amendment 1: 2005 Class B EN55022: 2006 w/Amendment 1: 2007 Class B ICES003 Class B VCCI Class B EN61000-3-2 EN61000-3-3 KN22 Class B EMC - Immunity EN55024 CISPR24 EN60601-1-2 KN24 Armadillo Light Telecom FCC Part 68 HAC CS-03-HAC AS/ACIF S004 AS/ACIF S040 NZ PTC 220 Industry Standards: TIA 810 and TIA 920 Industry Standards: IEEE 802.3 Ethernet, IEEE 802.3af and 802.3at Packaging & ShippingFAQQ:Will the product be damaged in the course of transportation?A:Our company can g
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