Trixbox would probably be your best bet if you're looking for open source and easy to use. I believe 2.8.0.3 is the current stable build, but I'm running 2.8.0.1 on my server with no issues. Tim -----Original Message----- From: "Siwangu Mgata" <svmgata at sihebs.co.tz> Sent: Wednesday, February 10, 2010 12:35am To: "VoiceOps" <voiceops at voiceops.org> Subject: [VoiceOps] Open Source IP PBX Hello, We have a potential customer who needs an opensource IP PBX. What is your suggestion as the customer have 350 extensions. If i have to build it on trixbox CE, what is the stable version. Regards, -- Siwangu MgataManaging DirectorSihebs Technologies Co. LtdUbungo Plaza, East Wing 1st FloorTel: +255 22 2461445Fax: +255 22 2461446Mob: +255 713 480268 +255 782 888808Email: [mailto:svmgata at sihebs.co.tz] svmgata at sihebs.co.tzWeb: [http://www.sihebs.co.tz] www.sihebs.co.tz