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
Supports both Session Initiation Protocol (SIP) and Smart Phone Control Protocol (SPCP) with the Cisco Unified Communications 500 Series
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.With hundreds of features and configurable service parameters, the Cisco SPA 303 addresses the requirements of traditional business users while building on the advantages of IP telephony.