Cisco
Cisco IP Phone 7811 Multiplatform Firmware SIP VoIP Phone - CP-7811-3PCC-K9
PO and Net 30 available for schools, government, hospitals, and law firms.
Description
Description
Cisco IP Phone 7811 with Multiplatform Firmware (CP-7811-3PCC-K9)
Get reliable, cost-effective VoIP communications with the Cisco 7811 3PCC — a single-line SIP IP phone built for third-party call control platforms. Backed by Reef Telecom's industry-leading 10-year warranty and free shipping on orders over $300, this is the smart choice for enterprise-grade telephony.
Key Specifications
- Multiplatform Firmware (3PCC): Works with third-party SIP platforms — compatible with Webex Calling, BroadSoft, Asterisk, RingCentral, Nextiva, 8x8, and more
- Single-Line VoIP Phone: 1 SIP line ideal for lobbies, cafeterias, stockrooms, drop-in desks, and conference centers
- Display: 3.28-inch greyscale graphical display (384 x 106 pixels)
- Audio: Full-duplex speakerphone with wideband audio support; codecs include G.711, G.722, G.729a, iLBC, and Opus
- Networking: Dual 10/100 Fast Ethernet ports with pass-through; PoE 802.3af Class 1
- Security: TLS, SRTP, 802.1x authentication, HTTPS provisioning
- Fixed Feature Buttons: Messaging, hold/resume, transfer, conference, mute, speakerphone, and volume control
- Navigation: Four soft keys, two-way scroll toggle, and select key with LED indicators
- Wall-Mountable: Optional wall mount kit available for public spaces and entryways
- Headset: RJ9 headset interface
- Dual-Position Foot Stand included
What's in the Box
- Cisco CP-7811-3PCC-K9 IP Phone (New)
- Handset with cord
- Foot stand
- Ethernet cable
- Quick start guide
Why Buy from Reef Telecom?
- 10-Year Warranty — the longest in the industry
- Free Shipping on orders over $300
- Trusted B2B telecom equipment supplier
Note: AC power supply not included. The CP-7811-3PCC-K9 is designed for third-party SIP platforms and is not compatible with Cisco Unified Communications Manager (CUCM). Power can be supplied via PoE or an optional Cisco power adapter (sold separately).
Specs & Details
Specs & Details
Shipping & Warranty
Shipping & Warranty
Free ground shipping on orders over $300. Same-day shipping on orders placed before 4PM EST.
All products include our industry-leading 10 Year Warranty backed by Reef Telecom.

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