Cisco IP Phone 6821 / VoIP phone with caller ID/call waiting / SIP, SRTP / 2 lines | CP-6821-3PCC-K9=
Product Features
- Ergonomic design
An easy-to-use interface that provides a traditional telephony-like user experience. - Handset
Narrowband audio handset connected through an RJ-9 port. - Backlit indicator
Backlit line buttons and a message waiting indicator; uses icons on the LCD to indicate activation of the headset, mute, and select buttons. - Volume control
A volume-control toggle provides easy decibel-level adjustments of the handset, monitor speaker, and ringer. - Full-duplex speakerphone
A full-duplex speakerphone gives you flexibility in placing and receiving calls. For added security, the Audible Dual-Tone Multi-frequency (DTMF) tones are masked when the speakerphone mode is used. - Single-position foot stand
The foot stand holds the phone in a single position, making the display easy to view and the buttons easy to use while sitting down. You can remove the foot stand for wall mounting. There are mounting holes located on the back of the phone.
Special Features
- Ergonomic design
- Handset
- Backlit indicator
- Volume control
- Full-duplex speakerphone
- Single-position foot stand
Product Specification
Product Type | VoIP phone |
Body Material | ABS polycarbonate |
Phone Features | Phone Features |
Call Services | Voice Mail, Caller ID, Call Waiting, Call Forwarding, Call Transfer, Call Hold, Message Waiting Capability |
Caller ID Type | Caller ID/call waiting |
Dialer Location | Base |
Conference Call Capability | Yes |
Speakerphone | Yes |
Volume Control | Yes |
Indicators | Voice message waiting indicator |
Additional Functions | Intercom |
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.729ab, G.711a, iLBC, G.729b, iSAC, G.722.2, Opus, G.711µ |
Lines Supported | 2 lines |
Quality of Service | IEEE 802.1Q (VLAN), IEEE 802.1p |
IP Address Assignment | DHCP, static |
Security | IEEE 802.1X, TLS |
Power Over Ethernet (PoE) Support | Yes |
Network Protocols | TCP, TFTP, UDP, HTTP, DNS, HTTPS, Link Layer Discovery Protocol (LLDP), SNTP |
Network Ports Qty | 2 x Ethernet 10Base-T/100Base-TX |
Network Features | Network Address Translation (NAT), Class 2 PoE |
Display | Display |
Type | LCD display - monochrome |
Display Location | Base |
Diagonal Size | 2.5" |
Display Resolution | 240 x 120 pixels |
Backlit | Yes |
Miscellaneous | Miscellaneous |
Connections | Headset jack / RJ-9 ¦ 2 x network / RJ-45 |
Hearing Aid Compatible | Yes |
Placing / Mounting | Wall-mountable, table-top |
Dimensions & Weight (Base) | Dimensions & Weight (Base) |
Width | 17.1 cm |
Depth | 20.7 cm |
Height | 3.75 cm |
Weight | 456 g |