Learn how easy it is to replace analog phones with Cisco Unified SIP Phones. (2:03 min)
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Replace traditional analog and digital phones with cost-effective IP communications. The Cisco Unified SIP Phone 3900 Series combines a simple, easy-to-use ergonomic design with basic communications features.
These phones are an ideal, earth-friendly solution to meet your communications needs in many environments:
Office cubicles
Retail sites
Manufacturing facilities
Classrooms
Hallways
The Cisco Unified SIP Phone 3900 Series can be placed on a desktop or wall-mounted.