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NOTE: This product is no longer being sold and might not be supported.

View the End-of-Life Notice to learn: 

  • End-of-sale and end-of-life dates
  • What replacement products are available
  • Information about product support

Entry-Level Phone

The Cisco Unified SIP Phone 3911 is a cost-effective, entry-level phone that addresses the needs of a lobby, laboratory, manufacturing floor, or hallway. This single-line phone with speakerphone and internal microphone can also fill the communication needs of cubicle, retail, classroom, or manufacturing workers or anyone with low to moderate telephone needs.

The Cisco Unified SIP Phone 3911 provides:

  • Fixed feature keys that provide one-touch access to redial, transfer, conference, hold, line select, mute, speakerphone, and voicemail access features
  • A display that supports additional capabilities such as caller ID, call history, and phone configuration
  • Choice of IEEE 802.3af Power over Ethernet (PoE) or local power through an optional power adaptor

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