Description
The Cisco Wireless IP Phone 9821 combines advanced telephony features with user-friendly functionality, designed to enhance communication in any professional setting. With a vivid 2.4-inch LCD display and support for multiple languages, including English and Spanish, it provides versatility for diverse workplaces. This VoIP phone offers robust call management options, including call waiting, caller ID, and call hold features to streamline communication.
Powerful and efficient, the Cisco Wireless IP Phone is equipped with a rechargeable lithium-ion battery boasting a capacity of 4060 mAh, delivering talk time of up to 690 minutes and standby time of 145 hours. The device also features functionalities such as noise reduction, vibrating alerts, and easy access to call recordings, ensuring seamless operation. With its durable design featuring IP54 protection, this phone stands up to environmental challenges, making it a reliable choice for business environments.
- Rechargeable lithium-ion battery with capacity of 4060 mAh for long-lasting performance
- 2.4-inch LCD display with adjustable brightness for clear visibility
- Wide variety of call services including caller ID and call hold
- Durable IP54 rated design providing dust and water resistance
- Integrated Ethernet switch for efficient networking connectivity
- Reliable Battery Performance
Equipped with a rechargeable lithium-ion battery, the Cisco Wireless IP Phone 9821 offers talk time of up to 690 minutes and standby time of 145 hours, ensuring communication remains uninterrupted. - Clear and Vibrant Display
The 2.4-inch LCD display supports color and provides resolution of 320 x 240 pixels, making interaction intuitive and user-friendly while also supporting multiple languages. - Powerful Call Management Features
With essential call services such as caller ID, call waiting, and call hold, this VoIP phone allows efficient handling of various communication scenarios, enhancing productivity in any workspace. - Rugged and Durable Design
Designed with an IP54 rating, the Cisco Wireless IP Phone 9821 is dust and water-resistant, suitable for use in various work environments, including those that may expose the device to challenging conditions. - Advanced Connectivity Options
The integrated Ethernet switch and compatibility with VoIP protocols ensure reliable connectivity and seamless communication, making this phone a suitable choice for modern business needs.
Main Specifications
Product Description | Cisco Wireless IP Phone 9821 – VoIP phone – with Trusted Platform Module (TPM) 2.0 with caller ID/call waiting |
Product Type | VoIP phone – with Trusted Platform Module (TPM) 2.0 with caller ID/call waiting |
Compatible Platforms | Cisco BroadWorks, Cisco Webex Calling, Cisco Webex Dedicate Instance (DI) |
Cordless Phone Standard | IEEE 802.11a/b/g/n/ac/ax (Wi-Fi) |
Main Features | Integrated Ethernet switch |
VoIP Protocols | SIP, SDP, RTCP, RTP, SRTP |
Voice Codecs | Opus, G.722, G.722.2, iSAC, G.711a-law, G.711µ-law, G.729a, G.729b, iLBC |
Speakerphone | Yes |
Call Services | Call park/pickup, Call Waiting, Caller ID, Call Hold, Call Mute |
Display | LCD display – colour – Yes |
Display Features | Adjustable brightness |
Compatible Software | Cisco WebEx, Cisco Unified Communications Manager |
Weight | 168 g |
Body Colour | Carbon black |
Extended Specifications
Battery
Technology | Rechargeable – Lithium Ion |
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Talk Time | 690 min |
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Standby Time | 145 h |
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Dimensions & Weight
Width | 5.6 cm |
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Depth | 1.7 cm |
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Height | 13.2 cm |
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Weight | 168 g |
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General
Product Type | VoIP phone |
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Compatible Platforms | Cisco BroadWorks, Cisco Webex Calling, Cisco Webex Dedicate Instance (DI) |
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Integrated Components | Trusted Platform Module (TPM) 2.0 |
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Weight | 168 g |
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Body Colour | Carbon black |
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Protection | IP54, dust protection, water-resistant, shock-resistant |
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Phone Features
Cordless Phone Standard | IEEE 802.11a/b/g/n/ac/ax (Wi-Fi) |
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Call Services | Call park/pickup, Call Waiting, Caller ID, Call Hold, Call Mute |
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Caller ID Type | Caller ID/call waiting |
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Dialer Location | Handset |
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Conference Call Capability | Yes |
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Speakerphone | Yes |
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Volume Control | Yes |
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Indicators | Busy lamp field (BLF), message waiting indicator |
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Additional Functions | Noise reduction system, vibrating alert, auto answer, auto hang up, keypad lock, call recording, man down alarm, speed dial memory, Intercom, Music on hold, Push-to-Talk key, silent mode |
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IP Telephony
Main Features | Integrated Ethernet switch |
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VoIP | Yes |
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VoIP Protocols | SIP, SDP, RTCP, RTP, SRTP |
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Voice Codecs | Opus, G.722, G.722.2, iSAC, G.711a-law, G.711µ-law, G.729a, G.729b, iLBC |
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Quality of Service | IEEE 802.1Q (VLAN) |
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IP Address Assignment | DHCP, static |
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Security | TLS 1.3, FIPS 140-2, EAP-FAST, WPA2, WPA3, PEAP-GTC, PEAP-MSCHAPv2, EAP-TLS, TKIP, MIC, AES, GCMP |
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Network Protocols | TLS, IPv4, IPv6, DHCP, GARP, DNS, TFTP, HTTPS, VLAN, RTP, RTCP, Cisco Discovery Protocol (CDP), Link Layer Discovery Protocol (LLDP), Link Layer Discovery Protocol – Media Endpoint Discovery (LLDP-MED) |
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Compatible Software | Cisco WebEx, Cisco Unified Communications Manager |
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Display
Type | LCD display – colour |
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Display Location | Handset |
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Diagonal Size | 2.4″ |
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Display Resolution | 320 x 240 pixels |
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Backlit | Yes |
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Display Languages | Arabic, Bulgarian, Catalan, Chinese, Taiwanese, Chinese (Traditional, Hong Kong), Croatian, Czech, Danish, Dutch, UK English, English (United States), Estonian, Finnish, French, French Canadian, German, Greek, Hebrew, Hungarian, Italian, Japanese, Korean, Latvian, Lithuanian, Norwegian, Polish, Brazilian Portuguese, Portuguese, Romanian, Russian, Serbian, Slovak, Slovenian, Spanish, Spanish (Latin American), Swedish, Thai, Turkish, Ukrainian, Welsh |
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Features | Adjustable brightness |
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Miscellaneous
Connections | USB
Headset / mini-phone 3.5mm |
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Hearing Aid Compatible | Yes |
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Internet of Things (IoT)
Internet of Things (IoT) Compatible | Yes |
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Communications Technology | Bluetooth 5.4 |
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Battery
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