Some basic reading on http://en.wikipedia.org/wiki/Pbx and http://en.wikipedia.org/wiki/Session_Initiation_Protocol - follow links for more reading. Compare articles about SER/OpenSER and Asterisk/SipX. BR/// Fredrik ----- Original Message ----- From: "Iñaki Baz Castillo" <ibc(a)in.ilimit.es> To: <users(a)openser.org> Sent: Thursday, August 09, 2007 5:44 PM Subject: Re: [OpenSER-Users] [Openser Users]Differences between SIP Server andPBX El Thursday 09 August 2007 17:37:57 Javier Allende Astigarraga escribió: I think this is a too much generic question for this list. You can get excellent info in Internet about PBX concept and SIP server. For example: - PBX allows avanced features as dialplan, conference, voicemails, IVR menus, call parking, maybe multiprotocolo, etc. - A SIP server can be a SIP registar in which clients SIP devices does the REGISTER, a SIP proxy so users call through it (or to it), registar server... -- Iñaki Baz Castillo ibc(a)in.ilimit.es _______________________________________________ Users mailing list Users(a)openser.org http://openser.org/cgi-bin/mailman/listinfo/users