Part of the Cisco Small Business Pro Series, the SIP-based Cisco SPA 504G 4-Line IP Phone has been tested to ensure comprehensive interoperability with equipment from voice over IP (VoIP) infrastructure leaders.
Cisco - Voice / fax module - analog ports: 4 - for Cisco 28XX, 28XX 2-pair, 28XX 4-pair, 28XX V3PN, 29XX, 38XX, 38XX V3PN, 39XX; IAD 2430
Cisco Unified IP Phone 7942G - VoIP phone - SCCP, SIP - silver, dark gray - refurbished
For partners who provide voice and video services to end customers on third-party platforms, Cisco offers specific firmware loads that support these platforms and run on the Cisco IP Phone 8800 Series.
The Cisco IP Phone 8800 Key Expansion Module extends the capabilities of Cisco IP Phone 8851, 8861, and 8865 models with additional buttons and a color LCD display.
Cisco Unified Wireless IP Phone 7925G Power Supply - Power adapter - for Unified Wireless IP Phone 7925G, 7925G-EX
It makes it easy to keep the phone with you and provide protection for the phone
Cisco IP Phone 7841 - VoIP phone - SIP, SRTP - 4 lines
Cisco Unified IP Phone 7965G - VoIP phone - SCCP, SIP - silver, dark gray - refurbished
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.
Cisco IP Phone 8851 - VoIP phone - SIP, RTCP, RTP, SRTP, SDP - 5 lines
Cisco - Key expansion module - for IP Phone 8851, 8861
Cisco VG320 Modular Voice over IP Gateway - VoIP phone adapter - GigE - rack-mountable
Cisco Unified SIP Phone 3905 - VoIP phone - SIP, RTCP - charcoal
Cisco Unified IP Conference Phone 8831 Daisy Chain Kit - Conference VoIP phone - SIP, SRTP
Cisco Unified Wireless IP Phone 8821 - Cordless extension handset - Bluetooth interface - IEEE 802.11a/b/g/n/ac (Wi-Fi) - SIP - 6 lines
Cisco IP Phone 8811 - VoIP phone - SIP, RTCP, RTP, SRTP, SDP - 5 lines
Cisco TelePresence System EX90 - Video conferencing kit