Cisco CP-7841-K9 (CP-7841-K9=) 4-Line Gigabit VoIP IP Phone with 3.5” Backlit Display, PoE – Pack of 10 | Brand New

The Cisco CP-7841-K9 (Pack of 10) delivers reliable, professional-grade VoIP performance for business environments. Each phone in this set features 4 programmable lines, a 3.5” backlit display, and dual-port Gigabit Ethernet for maximum speed and flexibility. Designed for Cisco Unified Communications (CUCM/CME), these phones support both SIP and SCCP protocols for scalable deployments. Ideal for offices, call centers, and enterprise teams, this bulk 10-pack offers outstanding value and simplified rollout for multi-user environments.

Key Features & Benefits (Per Unit)

• 4 Programmable Lines/Keys: Manage multiple lines and shared appearances easily
• 3.5” Backlit Display: Clear LCD with status visibility and intuitive navigation
• Dual-Port Gigabit Ethernet: Built-in switch for PC connectivity
• PoE (802.3af): Power via Ethernet—no separate power brick needed (sold separately)
• Wideband Audio: Crisp HD voice with full-duplex speakerphone and headset support
• Secure Communication: TLS signaling and SRTP media encryption
• Enterprise Integration: Optimized for Cisco Unified CM and CME
• Headset-Ready: RJ-9 port for wired headsets
• Flexible Mounting: Two-position stand and wall-mount capable (optional Cisco
• Model: 7841
• Part Numbers: CP-7841-K9, CP-7841-K9=
• Quantity: Pack of 10 Units
• Lines: 4 per phone
• Display: 3.5” backlit grayscale LCD
• Networking: Dual-port 10/100/1000 Ethernet
• Power: IEEE 802.3af PoE (adapter optional)
• Audio: Wideband (G.722), G.711, G.729a
• Protocols: SIP and SCCP
• Security: 802.1X, TLS, SRTP
• Condition: New

Ideal For

• Corporate rollouts: Deploy consistent desk phones across departments
• Call centers: Multi-line operations with headset integration
• SMB offices: Cost-effective enterprise-grade communications
• Education, retail, and healthcare: Reliable and secure VoIP endpoints

Compatibility Highlights

• Cisco Unified Communications Manager (CUCM): Supported (version dependent)
• Cisco Unified CME & SRST: Supported for flexible branch deployments
• Note: This model runs enterprise firmware; for 3rd-party SIP providers, Cisco 3PCC/MPP variants are recommended.

Frequently Asked Questions

• Is this listing for one phone?
  No, this listing is for a pack of 10 Cisco CP-7841-K9 phones.
• Are power adapters included?
  No. These units support PoE (802.3af). Optional adapters are sold separately.
• Are they Gigabit capable?
  Yes. Each phone includes dual-port 10/100/1000 Ethernet.
• Can I use them with third-party SIP providers?
  Only with Cisco UC firmware. For open SIP, choose Cisco 7841-3PCC models.
• Can I mount them on walls?
  Yes, with an optional wall-mount kit (not included).

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