CP-7821-K9
Key Phone
Wireless Phone, Common Key Phone, Caller Number Presentation Phone, VoIP Phone
With Display
Without Touch Screen
DTMF
Not Support Voice Mail
WAV
Non-Customized
SIP, SRTP
G.711A, G.711u, G.722, G.729ab, iLBC
IEEE 802.1p, IEEE 802.1Q (VLAN)
DHCP, Static
Cisco Discovery Protocol (CDP), SRTP
2 X Ethernet 10Base-T/100Base-TX
2 lines
IEEE 802.1X
Base
Keypad
Yes
396 X 162 pixels
RJ-45
Wired
CISC0
Original
207 x 195 x 33mm (exclude foot stand)
China
Product Description
CISCO New 7800 Series Wireless Multi-charger IP VolP Phone CP-7821-K9
CP-7821-K9 Overview
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.
Product Type | VoIP phone |
Main Features | Multiple VoIP protocol support, integrated Ethernet switch |
VoIP Protocols | SIP, SRTP |
Voice Codecs | G.722, G.729ab, G.711u, G.711a, iLBC |
Lines Supported | 2 lines |
Speakerphone | Yes ( digital duplex ) |
Call Services | Voice Mail, Caller ID, Call Waiting, Call Forwarding, Call Transfer, Call Hold, Message Waiting Capability |
Display | LCD display - monochrome - Yes |
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 |
Manufacturer Warranty | 1 year warranty |








