Description
Cisco CP-7821 IP Phone :
The Cisco IP Phone 7821 is designed for small to large businesses. It delivers advanced IP Telephony features and crystal clear wideband audio performance to deliver an easy-to-use, full-featured voice communications experience on Cisco on-premises and hosted infrastructure platforms and third party hosted call control.
| Specifications Of Cisco CP-7821 IP Phone : | |
| Signaling protocol support | Session Initiation Protocol (SIP) |
| Codec support | G.711a/μ, G.722, G.729a, iLBC |
| Key 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 coaching |
| 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) 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 corporate directory 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 an 801.1Q 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 Cryptography |
| Configuration options | The user can configure IP address assignment statically or through the DHCP client |
| Physical dimensions (H×W×D) | IP Phone 7821: 207 x 206 x 28mm (exclude foot stand) |
| Ethernet switch | The phone has a 10/100BASE-T or a 10/100/1000BASE-T |
