Basic and Affordable IP Phone for Business or Home Office

Highlights
- 3-line business-class IP phone;
- Connects directly to an Internet telephone service provider or to an IP private branch exchange (PBX);
- Dual switched Ethernet ports, speakerphone, caller ID, call hold, conferencing, and more;
- Easy installation and highly secure remote provisioning, as well as menu-based and web-based configuration;
- Supports both Session Initiation Protocol (SIP) and Smart Phone Control Protocol (SPCP) with the
Cisco Unified Communications 500 Series.

Comprehensive Interoperability and SIP-Based Feature Set

Based on SIP, the Cisco SPA 303 3-Line IP Phone with 2-Port Switch has been tested to help ensure comprehensive interoperability with equipment from voice over IP (VoIP) infrastructure leaders, enabling service providers to quickly roll out competitive, feature-rich services to their customers.