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Cordless extension handset - Bluetooth interface - IEEE 802.11a/b/g/n/ac (Wi-Fi) - SIP - 6 lines
Main Specifications | |
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Product Description | Cisco Unified Wireless IP Phone 8821-EX - cordless extension handset - with Bluetooth interface |
Product Type | Cordless extension handset - with Bluetooth interface |
Total Number of Wireless Handsets | 1 |
Cordless Phone Standard | IEEE 802.11a/b/g/n/ac (Wi-Fi) |
VoIP Protocols | SIP |
Voice Codecs | G.722, G.729a, G.729ab, G.711u, G.711a, iLBC |
Lines Supported | 6 lines |
Speakerphone | Yes |
Call Services | Caller ID, Call Waiting, Call Forwarding, Call Hold |
Display | LCD display - color |
General | |
Product Type | Cordless extension handset |
Integrated Components | Bluetooth interface |
Total Number of Wireless Handsets | 1 |
Miscellaneous | |
Connections | USB ¦ Headphones / mini-phone 3.5 mm |
Included Accessories | Power adapter |
Battery | |
Capacity | 2060 mAh |
Technology | Rechargeable - lithium ion |
Talk Time | Up to 780 min |
Standby Time | Up to 240 h |
Display | |
Type | LCD display - color |
Diagonal Size | 2.4" |
Display Resolution | 240 x 320 pixels |
Phone Features | |
Cordless Phone Standard | IEEE 802.11a/b/g/n/ac (Wi-Fi) |
Wireless Interface Provided | Bluetooth |
Call Services | Caller ID, Call Waiting, Call Forwarding, Call Hold |
Dialer Location | Handset |
Conference Call Capability | Yes |
Speakerphone | Yes |
Volume Control | Yes |
Indicators | Voice message waiting indicator |
Additional Functions | Intercom |
Dimensions & Weight (Handset) | |
Width | 2.2 in |
Depth | 0.7 in |
Height | 5.2 in |
Weight | 5.7 oz |
IP Telephony | |
VoIP | Yes |
VoIP Protocols | SIP |
Voice Codecs | G.722, G.729a, G.729ab, G.711u, G.711a, iLBC |
Lines Supported | 6 lines |
Security | TLS |
Network Protocols | TFTP, SRTP |