Tech specs
Brand
Cisco
Product Line
Cisco Unified SIP Phone
Model
3905
Manufacturer
Cisco Systems
Flash Memory Installed
4 megabyte
RAM Installed
32 megabyte
IP Address Assignment
DHCP, Static
IP Telephony Network Ports
2 x Ethernet 10Base-T/100Base-TX
Network Protocols
DNS, RTCP, TFTP
Color Support
Monochrome
Display Languages
Arabic, Brazilian Portuguese, Bulgarian, Catalan, Chinese, Croatian, Czech, Danish, Dutch, English, Estonian, Finnish, French, German, Greek, Hebrew, Hungarian, Italian, Japanese, Korean, Latvian, Lithuanian, Norwegian, Polish, Portuguese, Romanian, Russian, Serbian, Slovak, Slovenian, Spanish, Swedish, Thai, Turkish
Display Location
Base
Display Resolution
128 x 32 pixels
Display Type
LCD display
Indicators & Controls
Voice message waiting indicator
Multiple Conferencing
Yes
Speakerphone
Yes
Voice Codec
G.711a, G.711u, G.729, G.729a, G.729ab
Call Services
Call Forwarding, Call Hold, Call Transfer, Call Waiting, Caller ID, Message Waiting Capability
Compatible Software
Cisco Unified Communications Manager 7.1 or later
Dialer Location
Base
Main Features
Integrated Ethernet switch, Multiple VoIP protocol support
Packaged Quantity
1
Placing/Mounting
Table-top, Wall-mountable
Power Over Ethernet (PoE) Support
Yes
Product Type
VoIP phone
Voice Features
Comfort noise generation (CNG), Voice activity detection (VAD)
VoIP
Yes
VoIP Protocols
RTCP, SIP
Volume Control
Yes
Base Depth
20.5 centimetre
Base Height
5.35 centimetre
Base Weight
594.3 gram
Base Width
15 centimetre
Color
Charcoal
Color Category
Black, Gray
ENERGY STAR Certified
No
EPEAT Compliant
No
TCO Certified
No
Service & Support Details
Limited warranty - 1 year
Limited Warranty
1 Year
Hearing Aid Compatible
Yes