FreeSWITCH by default is a soho PBX and a good demo. The "unable to use that" is vague and we have no suggestion before knowing what you are trying to do and what "unable" means in your words.

Maybe you should start from http://wiki.freeswitch.org/wiki/Installation_Guide and For .Net may be https://wiki.freeswitch.org/wiki/FSClient helps.

Read the FreeSWITCH 1.2 Book maybe also helps you, you can find the link on http://www.freeswitch.org/ .

-- 
Seven Du
http://www.freeswitch.org.cn
http://about.me/dujinfang
http://www.dujinfang.com

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On Thursday, June 13, 2013 at 2:10 PM, Praveen M wrote:

Sir, Can you please provide one simple demo application using FREESWITCH or ASTERISK tool?

I am a dot net developer .I have downloaded both the open source . but I am unable to use that …

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