http://www.iptel.org/ SIP 프록시
http://sourceforge.net/projects/kphone/

http://tykim.wordpress.com/2010/02/05/iphone에서-삼성070-sip-소프트폰-사용하기/
iPhone에서 삼성070 SIP 소프트폰 사용하기 « Peter .WEB2‎ -

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