Now you can get basic IP and Digital Enhanced Cordless Telecommunications (DECT) phones with extensive feature sets. The Cisco Small Business SPA 300 Series IP Phones feature:
Wideband audio for exceptional voice clarity and enhanced speaker quality
Monochrome display (SPA303) for ease of use, aesthetics, and on-screen applications
Support for hosted IP telephony environments or an IP private branch exchange (PBX)
Easy installation and highly secure remote provisioning, and web-based configuration
Remain in touch with added freedom for in-campus and work-at-home employees with the SPA302D Multi-Line DECT Handset.
These phones also support both:
Session Initiation Protocol (SIP) for Cisco SPA9000 Voice System, open-source, and hosted telephony solutions
Smart Phone Control Protocol (SPCP) for Cisco Unified Communications 500 Series for Small Business