Cisco Ip Phone 3911

  • Lighted Speakerphone key
  • Graphical monochrome display
  • Single-position foot stand
  • Signaling protocol support
  • Voice activity detection (VAD)


Entry Level SIP Phones for Business in Pakistan – Cisco IP Phone 3911:

The Cisco 3911 Unified SIP Phone is a cost-effective, entry-level phone for all businesses that address 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 line select, mute, conference, message waiting indicator, and speakerphone keys provide LEDs to indicate the status of these features. In addition, the phone supports a 2-line x 24-character display along with two menu select keys and a two-way rocker for scrolling control.



TIA 810 A


1.1 lb (505 g)
Operating Temperature

23 to 104°F (-5 to 40°C)

Transfer key

Can be used to transfer a call
IEEE 802.3af PoE

Phone can receive power from IEEE 802.3af-compliant switches

Physical dimensions (H x W x D) 7.87 in. x 7.08 in. x 1.77 in. (200 mm x 180 mm x 45 mm)
Phone casing composition Plastic (resin ABS-HB, Resin: SD-0150) in textured dark gray