Features
Content
CP-7821-K9-NEW
Details
  • VoIP phone
  • SIP
  • SRTP
  • 2 lines
  • Power Adapter Sold Separately
Category
Stock

Additional information

Brand

Cisco

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.

 

 

 

Signaling protocol support Session Initiation Protocol (SIP)
Codec support   G.711a/, 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
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 (HWD) IP Phone 7821: 207 x 206 x 28mm (exclude foot stand)
Weight IP Phone 7821: 867g
Display IP Phone 7821: 3.5″ 396162 pixels
Ethernet switch The phone has a 10/100BASE-T or a 10/100/1000BASE-T
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 104F (0 to 40C)
Nonoperational temperature shock 14 to 140F (-10 to 60C)
Humidity   Operating 10% to 90%, non-condensing

  Non-operating 10% to 95%, non-condensing

Cosmetic  Cisco cosmetic class A
Certification 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

 

 

 

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