Peers is a very minimalistic SIP User-Agent. It s a softphone, written in java, and it has been tested on linux and windows. It allows a user to call from one PC to another on a local area network, using SIP/SDP/RTP with Ulaw encoding for voice.

JAVA写的一个可以设置局域网代理，可抄送，密送，加附件的邮件发送代码，并解决了在LINUX下的乱码问题-JAVA can be set to write a LAN agent, can be Cc, Bcc, add an attachment to send code and solve the problem in the garbage under LINUX