Type | VoIP Phone |
Model | Cisco IP Phone 8811 |
Manufacturer Part Number | CP-8811-K9++= |
Lines Supported | 10 |
Multiline Operation | Yes |
Telephone Type | IP Phone |
Voice Mail Capability | Yes |
Conference Call Capability | Yes |
Color | Charcoal |
Weight | 1.17 kg |
Power Requirements | Power over Ethernet (PoE) Class 2 or optional external power adapter (not included) |
Speakerphone | Full-duplex |
Call Forwarding | Yes |
Call Hold | Yes |
Call Transfer | Yes |
Caller ID | Yes |
Message Waiting Indicator | Yes |
CISCO IP PHONE 8811 TAA-Compliant Multiline VoIP Phone

Key Benefits

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- Ideal for secure and compliant deployments with full TAA compliance
- Designed for high-efficiency offices with multiline support and programmable line keys
- Backed by a CISCO one-year limited hardware warranty for reliable long-term use
Product Overview
The CISCO IP PHONE 8811 is a robust VoIP desk phone designed for professional communications in enterprise and government environments. Fully TAA-compliant, this model supports up to 10 lines and leverages standard SIP protocols. Rich telephony features such as call forwarding, transfer, hold, voicemail, and conference calling ensure efficient communication.
Audio performance is optimized with support for a wide range of voice codecs, including G.711a/u, G.722, G.729ab, iLBC, iSAC, and Opus. It also includes a full-duplex speakerphone, five programmable line keys, and a graphical display. Hearing aid compatibility and a dual-position footstand enhance usability.
The CP-8811 features a one-year limited hardware warranty and ergonomic construction, suitable for desktop or wall-mount installation. It is a solid choice for teams looking for secure, standards-compliant, and high-quality communication solutions.
Specifications
Product Overview
Wireless Features
Wi-Fi Support | No |
Compliance & Origin
Country of Origin | Mexico / United States |
TAA Compliant | Yes |
RoHS Compliant | Yes |
Certifications | CE, FCC Part 15 Class B, ICES-003, UL 60950, CB, GOST, CITC, ANATEL, KC, SII, NOM |
Warranty | 1-Year Replacement Warranty |
Advanced Security Features
Transport Layer Security (TLS) | Yes |
Secure Real-Time Transport Protocol (SRTP) | Yes |
802.1x Authentication | Yes |
Media Encryption | AES-128 |
Interfaces
Network Ports | 2 x 10/100/1000 Ethernet (RJ-45) |
Headset Port | Yes, RJ-9 |
USB Ports | None |
Bluetooth Support | No |
Ethernet Switch | Integrated 2-port Cisco Ethernet switch |
Data Transfer Rate | 10/100/1000 Mbps |
Physical & Environmental
Width | 10.13 in (257.3 mm) |
Height | 9.02 in (229.1 mm) |
Depth | 1.57 in (39.9 mm) |
Mounting Options | Desktop or wall-mountable |
Footstand | Dual-position |
Operating Temperature | 0°C to 40°C (32°F to 104°F) |
Storage Temperature | -10°C to 60°C (14°F to 140°F) |
Operating Humidity | 10% to 90% (non-condensing) |
Storage Humidity | 10% to 95% (non-condensing) |
Cloud Management & Licensing
Provisioning and Management | Cisco Unified Communications Manager, Cisco Unified Communications Manager Express, Cisco Business Edition 6000/7000 |
Licensing Requirements | Cisco Unified Device License (UDL) or User Connect Licensing (UCL) |