The SPA-901 is a cost-effective and yet robust SIP phone, designed for wall mounting or low cost desk use.

It lacks an LCD display so features like caller identity or call progress indication, which are important for heavy office users, are not present. It does have good call quality and will auto configure from a VoIPCortex PABX to support the following functions:

• Single line
• Line status indicator
• Call Hold
• Music on Hold
• Call Waiting
• Call transfer - Atended and Blind
• Three Way conferencing
• Multi-Party Call Conferencing via PABX
• Call Pick Up - Selective and Group
• Call Forwarding - Unconditional, No Answer, On Busy
• Call Return - Redial Last Caller
• Call Logs (60 Entries Each) Made, Answered and Missed Calls. Accessed via HTTP Server
• Redial Last Called Number
• Do Not Disturb (Caller Hears Busy Line tone)
• Built-in Web Server for Administration and Configuration, with User and Admin Access Levels
• 10 User-Downloadable Ring Tones - Ring Tone Generator free from www.Linksys.com
• Group Paging
• Ringer and Handset Volume Controls