Product Overview
The Cisco® Unified SIP Phone 3905 is a cost-effective, entry-level IP phone that addresses the need for basic voice communications with common Cisco Unified Communications features in an attractive design that is also budget-friendly. The phone can fill the communication needs of cubicle, retail, classroom, manufacturing floor and hallway, as well as various wall-mounted deployments.
The single-line Cisco Unified SIP Phone 3905 supports two calls per line. Fixed keys for redial, transfer, and hold/resume, along with a full-duplex speakerphone and two-line display, which comes standard, deliver a more productive, easier-to-use, and flexible endpoint experience. With its dual-port 10/100 Ethernet switch for network and PC connections, the Cisco Unified SIP Phone 3905 offers IT organizations a cost-effective solution to reduce cabling infrastructure and administration costs at the desktop.
The phone is also eco-friendly, taking advantage of reground and recyclable plastics to deliver a more earth-responsible solution.
Features and Benefits
Table 1 lists features and benefits of the Cisco Unified SIP Phone 3905.
Table 1. Features and Benefits
Feature |
Benefit |
Hardware |
|
Ergonomic design |
The phone offers an easy-to-use interface and provides a traditional telephony-like user experience. |
Display |
A graphical monochrome display with a resolution of 128 x 32 pixels provides a scrollable two-line intuitive access to phone services and configuration. |
Foot stand |
A foldable single-position foot stand offers optimum display viewing and comfortable use of keys. |
Wall mountable |
You can fold the foot stand for wall mounting, with mounting holes located on the base of the phone. |
Speakerphone |
A full-duplex speakerphone allows for flexibility in placing and receiving calls. |
Volume control |
The volume control toggle makes it easy to adjust the volume of the handset, speakerphone, and ringer. |
Ethernet switch |
The phone has a 10/100BASE-T Ethernet connection through two RJ-45 ports, one for the LAN connection and the other for connecting a downstream Ethernet device such as a PC. |
Buttons |
The phone has the following buttons: • Select, Back, and Two-Way Navigation
• Redial, Transfer, and Hold/Resume
• Standard dial pad
• Mute, Volume Up/Down, and Speakerphone
|
Firmware |
|
Signaling protocol |
Session Initiation Protocol (SIP) is supported. |
Call features |
• Adjustable volume levels
• Auto barge
• Call forward
• Call pickup
• Call waiting
• Call transfer
• Conference
• Forced Authorization Codes (FAC)
• Group call pickup
• Message-waiting indicator
• Music on hold
• Private-line automatic ringdown (PLAR)
• Redial
• Shared line
|
Audio codec support |
G.711a, G.711μ, G.729, G.729a, and G.729ab. |
Voice quality |
Comfort-noise generation (CNG) and voice-activity-detection (VAD) programming is provided on a system basis. |
Configuration options |
• Dynamic Host Configuration Protocol (DHCP) client or static configuration
• Support for online firmware upgrades using Trivial File Transfer Protocol (TFTP)
• Domain Name System (DNS)
|
Provisioning and manufacturing |
• Web server for configuration and statistics
|
CP-3905= | Cisco Unified SIP Phone 3905, Charcoal, Standard Handset |
CP-6901-C-K9= | Cisco UC Phone 6901, Charcoal, Standard handset |
CP-6901-CL-K9= | Cisco UC Phone 6901, Charcoal, Slimline handset |
CP-7811-3PCC-K9= | Cisco IP Phone 7811 with Multiplatform Phone firmware |
CP-7811-K9= | Cisco UC Phone 7811 |
CP-7821-3PCC-K9-RF | IP Phone 7821 w/Multiplatform Phone firmware REMANUFACTURED |
CP-7821-3PCC-K9= | Cisco IP Phone 7821 with Multiplatform Phone firmware |
CP-7821-K9= | Cisco UC Phone 7821 |
CP-7832-3PCC-K9= | Cisco 7832 Conference Phone for MPP |
CP-7832-K9= | Cisco 7832 IP Conference Station |
CP-7841-3PCC-K9= | Cisco IP Phone 7841 with Multiplatform Phone firmware |
CP-7841-K9= | Cisco UC Phone 7841 |
CP-7861-3PCC-K9= | Cisco IP Phone 7861 for 3rd Party Call Control |
CP-7861-K9= | Cisco UC Phone 7861 |
CP-8800-A-KEM-WMK= | 28 Button KEM Wall Mount Kit for Cisco IP Phone 8800 Series |
CP-8800-A-KEM= | 8800 Series Audio KEM, 28 Button |
CP-8800-V-KEM= | 8800 Series Video KEM, 28 Button |
CP-8811-3PCC-K9= | Cisco IP Phone 8811 with Multiplatform Phone firmware |
CP-8811-K9= | Cisco IP Phone 8811 Series |
CP-8832-3PC-NR-K9 | Cisco 8832 for worldwide, charcoal, with accessories |
CP-8832-MIC-WIRED= | Cisco 8832 Wired Microphones Kit for Worldwide |
CP-8832-NR-K9 | Cisco IP Conference Phone 8832 No Radio version |
CP-8832-NR-K9= | Cisco 8832 No-Radio Spare for Worldwide |
CP-8832-POE | Cisco IP Conference Phone 8832 PoE Accessories for Worldwide |
CP-8832-POE= | Cisco 8832 PoE (Power over Ethernet) Accessories Spare |
CP-8841-3PCC-K9= | Cisco IP Phone 8841 with Multiplatform Phone firmware |
CP-8841-K9= | Cisco IP Phone 8841 |
CP-8845-3PCC-K9= | Cisco IP Phone 8845 with MPP Firmware |
CP-8845-K9= | Cisco IP Phone 8845 |
CP-8851-3PCC-K9= | Cisco IP Phone 8851 with Multiplatform Phone firmware |
CP-8851NR-K9= | Cisco IP Phone 8851 No Radio variant |
CP-8865NR-K9= | Cisco IP Phone 8865 No Radio variant |