Cisco 3905 Unified SIP Phone
Brand: Cisco · SKU: CP-3905= · MPN: CP-3905= · Category: Networking
The Cisco Unified SIP Phone 3905 is an affordable, entry-level IP phone designed for essential voice communication needs. It combines key Cisco Unified Communications features in a stylish yet budget-friendly design, ideal for cubicles, retail spaces, classrooms, manufacturing floors, hallways, and wall-mounted setups. This single-line phone supports two calls per line and includes dedicated keys for redial, transfer, and hold/resume. Standard features include a full-duplex speakerphone and a two-line display. It has a built-in dual-port 10/100 Ethernet switch for seamless network and PC connectivity, helping reduce cabling infrastructure. The phone is also eco-friendly, using reground and recyclable plastics. It supports audio codecs like G.711a, G.711, G.729, G.729a, and G.729ab.
Specifications
| Display | Backlit monochrome LCD, 128 x 32 pixels |
|---|---|
| Mounting | Wall-mountable, table-top |
| Body Color | Charcoal |
| PoE Support | IEEE 802.3af compliant (Class 1) |
| Audio Codecs | G.711a, G.711, G.729, G.729a, G.729ab |
| Speakerphone | Full duplex |
| Switch Ports | 2x 10/100 Ethernet |
| Memory (Flash) | 4-MB |
| Memory (SDRAM) | 32-MB |
| Line Appearances | 1 (Supports two calls per line) |
| Protocol Support | SIP |
| Connectivity Type | VoIP |
| Warranty | Limited warranty - 1 year (various service contracts available) |
| Weight | 20.96 oz (594.3g) |
| Dimensions | 8.07 x 5.91 x 2.11 in. (205 x 150 x 53.5 mm) (in slab mode with the foot stand folded) |
Key Features
The Cisco Unified SIP Phone 3905 is a cost-effective, entry-level IP phone ideal for shared workspaces, entry-level users, and environments requiring basic, reliable voice communication. It offers standard features like hold, transfer, conference, and redial, a full-duplex speakerphone, and dual 10/100 Ethernet ports.
Frequently Asked Questions
Is this product genuine OEM?
Yes, this Cisco 3905 Unified SIP Phone (CP-3905=) is 100% genuine Cisco hardware. All our products are verified by certified technicians and come with clean serial numbers ready for service contract registration.
What warranty is included?
This Cisco 3905 Unified SIP Phone includes our standard 3-Year Warranty covering all manufacturing defects. We also offer advanced replacement options for minimal downtime.
How long does shipping take?
We offer free ground shipping which typically takes 3-5 business days. Expedited shipping options are available at checkout for faster delivery.
Can I return this product?
Yes, we have a 30-day return policy on all products. Restocking fees may apply for opened items. Please see our return policy for complete details.
Is the Cisco 3905 Unified SIP Phone compatible with my system?
Please check the specifications tab for detailed compatibility information. Our technical team is available to assist with compatibility questions for the CP-3905=.
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