Cisco Desk Phone 9841 - VoIP phone - with Trusted Platform Module (TPM) 2.0 with caller ID/call waiting - SIP, SDP, RTCP, RTP, SRTP - 4 lines - carbon black

Category: Wired Telephones
Code: DP-9841-K9=
Brand: Cisco
Warranty: Unknown
For illustrative purpose only
Stock Qty Est. Delivery Price
VAT
IMUS 272 8/14/2026 unknown 231.27
Compare 0
Add to comparisonRemove all from comparison
Find similar
Product Description
Cisco Desk Phone 9841 - 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), Asterisk
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
Lines Supported
4 lines
Speakerphone
Yes
Call Services
Voice Mail, Caller ID, Call Waiting, Call Hold, Call Transfer, Call Forwarding, Call park/pickup
Display
LCD display - grayscale - Yes
Network Ports Qty
2 x Ethernet 10Base-T/100Base-TX/1000Base-T
Compatible Software
Cisco WebEx, Cisco Unified Communications Manager
Weight
33.65 oz
Body Color
Carbon black
Environmental Standards
ENERGY STAR Qualified
Manufacturer Warranty
1-year warranty
Product Type
VoIP phone
Compatible Platforms
Cisco BroadWorks, Cisco Webex Calling, Cisco Webex Dedicate Instance (DI), Asterisk
Integrated Components
Trusted Platform Module (TPM) 2.0
Weight
33.65 oz
Body Color
Carbon black
Body Material
ABS polycarbonate, 74% post-consumer recycled plastic
Wireless Interface Provided
NFC
Call Services
Voice Mail, Caller ID, Call Waiting, Call Hold, Call Transfer, Call Forwarding, Call park/pickup
Caller ID Type
Caller ID/call waiting
Dialer Location
Base
Conference Call Capability
Yes
Speakerphone
Yes
Programmable Buttons Qty
4
Volume Control
Yes
Indicators
Speakerphone indicator, headset, mute indicator, select indicator, line status indicator, status, busy lamp field (BLF)
Additional Functions
One button to join (OBTJ), QR code access, conference mode, mute, Music on hold, Do not disturb, call recording, sleep mode, Kensington security slot
Main Features
Integrated Ethernet switch
VoIP
Yes
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
Lines Supported
4 lines
Quality of Service
IEEE 802.1Q (VLAN)
IP Address Assignment
DHCP, static
Security
IEEE 802.1X, EAP-FAST, EAP-TLS, FIPS 140-2, TLS 1.3, SRTP
Power Over Ethernet (PoE) Support
Yes
Network Protocols
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)
Network Ports Qty
2 x Ethernet 10Base-T/100Base-TX/1000Base-T
Compatible Software
Cisco WebEx, Cisco Unified Communications Manager
Voice Features
Acoustic echo cancellation (AEC), forward error correction (FEC), automatic gain control (AGC), comfort noise generation (CNG), voice activity detection (VAD), packet loss concealment (PLC), silence suppression, acoustic shock protection, adaptive jitter buffer (AJB), dual tone multi-frequency (DTMF), HD audio, ultrasonic support
Network Features
Class 2 PoE
Type
LCD display - grayscale
Display Location
Base
Diagonal Size
3.5"
Display Resolution
384 x 160 pixels
Backlit
Yes
Display Languages
Brazilian Portuguese, Catalan, Czech, Danish, Dutch, Finnish, French, French Canadian, German, Greek, Hungarian, Italian, Japanese, Korean, Norwegian, Polish, Portuguese, Russian, Spanish, Swedish, Turkish, Ukrainian, Chinese (simplified), Chinese (traditional), Chinese (Traditional, Hong Kong), Spanish (Columbia), UK English, US English
Connections
Headset jack / RJ-9 ¦ 2 x network / RJ-45 ¦ USB / 4 pin USB Type A ¦ Console
Hearing Aid Compatible
Yes
Placing / Mounting
Desktop
Cables Included
Network cable
ENERGY STAR Certified
Yes
Power Consumption
2.35 W (power adapter, display off mode), 1.95 W (PoE, display off mode), 0.25 W (power adapter, deep sleep mode), 0.61 W (PoE, deep sleep mode)
Width
8.4 in
Depth
8.4 in
Height
1.9 in
Weight
33.65 oz
Service & Support
Limited warranty - replacement - 1 year
← Back
Please give your consent to allow us to use cookies to make your browsing experience better. Read our Cookie Policy.
Accept Reject