Deploy reliable and highly secure voice communications with the Cisco IP Phone 7821. This full-featured phone is easy to use and easy on your budget. This endpoint supports wideband audio for superior voice communications quality and advanced IP telephony features to make your business calls more efficient and productive.
Main Specifications
| Product Description | Cisco IP Phone 7821 - VoIP phone |
| Product Type | VoIP phone |
| Compatible Platforms | Cisco Business Edition 6000 |
| 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 |
Extended Specification collapse
| General | |
|---|---|
| Product Type | VoIP phone |
| Compatible Platforms | Cisco Business Edition 6000 |
| Body Material | PC/ABS |
| 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 | |
|---|---|
| Main Features | Multiple VoIP protocol support,integrated Ethernet switch |
| VoIP | Yes |
| VoIP Protocols | SIP,SRTP |
| Voice Codecs | G.722,G.729ab,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 | |
|---|---|
| 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 | |
|---|---|
| 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) | |
|---|---|
| Width | 20.6 cm |
| Depth | 2.8 cm |
| Height | 20.7 cm |
| Weight | 867 g |
| Manufacturer Warranty | |
|---|---|
| Service &Support | Limited warranty - replacement - 1 year |
