Extend FS to suit some customized requirements, for example to create a module in C to replace "bridge" application function, I had a look on mod_dptools, no problem to understand that, but have no idea how session/channel/stream/settings etc are linked together, think a simple UAC might be a good reference point -----Original Message----- From: freeswitch-dev-bounces@lists.freeswitch.org [mailto:freeswitch-dev-bounces@lists.freeswitch.org] On Behalf Of Brian West Sent: Thursday, 12 February 2009 9:38 AM To: freeswitch-dev@lists.freeswitch.org Subject: Re: [Freeswitch-dev] Some Sample C programs in using FreeSwitch APIs What purpose are you looking to use FreeSWITCH for? /b On Feb 9, 2009, at 6:17 PM, Scott Shen wrote: Can any one provide some C programs showing how to use FreeSwitch APIs to build an UAC or UAS? Thanks & Regards Scott