Cisco IP Phone 7821 / VoIP phone / SIP, SRTP / 2 lines / white | CP-7821-W-K9=
Special Features
- Dedicated fixed keys for common functions such as conference, messaging, and directory, and a two-way navigation button
- Full wideband audio performance throughout the handset, headset, and speakerphone for superior clarity
- Electronic hookswitch control for added flexibility in managing personal calls when using third-party headsets
- Power over Ethernet (PoE) Class 1 endpoint and Cisco EnergyWise to reduce your energy costs and carbon footprint
- Enhanced customization with a field-replaceable bezel option
- Integrated IEEE 10/100 switch to support traffic from a co-located PC for reduced cable infrastructure costs
- A wall-mount option for common areas such as aisles or hallways, or where desk space is limited
Product Specification
Product Type | VoIP phone |
Compatible Platforms | Cisco Business Edition 6000 |
Body Colour | White |
Image Colour Disclaimer | The displayed product image may be a different colour |
Body Material | PC/ABS |
Phone Features | Phone Features |
Call Services | Voice Mail, Caller ID, Call Waiting, Call Forwarding, Call Transfer, Call Hold, Message Waiting Capability |
Dialer Type | Keypad |
Dialer Location | Base |
Conference Call Capability | Yes |
Speakerphone | Yes (digital duplex) |
Menu Operation | Yes |
Programmable Buttons Qty | 2 |
Indicators | Voice message waiting indicator, speakerphone indicator, headset |
Firmware Upgradable | Yes |
Additional Functions | Call timer |
Additional Features | Music on hold |
IP Telephony | IP Telephony |
Main Features | Multiple VoIP protocol support, integrated Ethernet switch |
VoIP | Yes |
VoIP Protocols | SIP, SRTP |
Voice Codecs | G.722, G.729a, G.711u, G.711a, iLBC |
Lines Supported | 2 lines |
Quality of Service | IEEE 802.1Q (VLAN), IEEE 802.1p |
IP Address Assignment | DHCP, static |
Security | IEEE 802.1X |
Power Over Ethernet (PoE) Support | Yes |
Network Protocols | Cisco Discovery Protocol (CDP), SRTP |
Network Ports Qty | 2 x Ethernet 10Base-T/100Base-TX |
Compatible Software | Cisco Unified Communications Manager 8.5.1 or later, Cisco Hosted Collaboration Solution |
Network Features | Lightweight Directory Access Protocol (LDAP) |
Display | Display |
Type | LCD display - monochrome |
Display Location | Base |
Diagonal Size | 3.5" |
Display Resolution | 396 x 162 pixels |
Backlit | Yes |
Display Languages | Danish, Hebrew, Hungarian, Czech, Croatian, Slovenian, Thai, Slovak, Brazilian Portuguese, English, German, French, Italian, Norwegian, Portuguese, Polish, Finnish, Swedish, Russian, Spanish, Dutch, Greek, Turkish, Arabic, Bulgarian, Latvian, Lithuanian, Estonian, Serbian, Romanian, Catalan, Japanese, Chinese, Korean |
Miscellaneous | Miscellaneous |
Connections | Headset jack |
Placing / Mounting | Wall-mountable, table-top |
Compliant Standards | CISPR 22 Class B, CISPR 24, EN 61000-3-2, EN 61000-3-3, EN55024, EN55022 Class B, ICES-003 Class B, AS/ACIF S004, FCC Part 68, EMC, CS-03, UL 60950-1 Second Edition, EN 60601-1-2, FCC CFR47 Part 15 B, GB 4943, AS/NZS 60950, CSA C22.2 No. 60950-1 Second Edition, EN 60950-1 Second Edition, IEC 60950-1 Second Edition, VCCI Class B |
Dimensions & Weight (Base) | Dimensions & Weight (Base) |
Width | 20.6 cm |
Depth | 2.8 cm |
Height | 20.7 cm |
Weight | 867 g |
Manufacturer Warranty | Manufacturer Warranty |
Service & Support | Limited warranty - replacement - 1 year |