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.

Simplify and improve communications throughout your small business phone system with Cisco SPA 500 series IP phones, part of the Cisco small business series of network solutions. These phones offer enough features to serve everyone from manufacturing floor staff and cubicle workers to executives and remote employees. Your people stay productive, and enjoy access to voice and data communications wherever they are, but your costs stay low.

The Cisco Unified IP Phone 9951 is an executive class collaboration endpoint that provides voice, video, applications and accessories.

Part of the Cisco Small Business Pro Series, the SIP-based Cisco SPA 509G 12-line IP Phone with programmable keys has been tested to 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.

Cisco Unified Communications is a comprehensive IP communications system of voice, video, data, and mobility products and applications. It enables more effective, more secure, more personal communications that directly affect both sales and profitability. Cisco Unified Wireless IP Phone 7925G FCC; Cisco Unified Communications Manager User License; Battery/Power Supply Not Included

The Cisco SPA525G2 IP Phone is a full-featured, stylish 5-line business IP phone with Power over Ethernet, 802.11g Wi-Fi client mode, and Bluetooth headset support. Integration with mobile phones allows smooth transfer of calls to and from a mobile phone, plus import of contacts. Includes a USB port to charge a mobile phone.