Get basic IP communications to fit any budget
Replace traditional analog and digital phones with cost-effective VoIP communications. The Cisco Unified SIP Phone 3900 series combines an easy-to-use ergonomic design with basic communications features.
Features and capabilities
Easy-to-use IP phone
The Cisco Unified SIP Phone 3900 series is a simple, eco-friendly solution for your communications needs. Place the phones on a desktop or mount them on a wall.
The 3900 Series phones are a good fit for occasional-use environments like office lobbies, cafeterias, and hallways; retail sites; manufacturing facilities; and school classrooms.
Cisco Unified SIP Phone 3905