Before answering a phone call, the connection may occasionally be disconnected, making it impossible to answer

[qiuzhaofeng]

Please, do NOT open an issue if you have problems or questions regarding the use of JsSIP. Use the JsSIP Google Group instead:

https://groups.google.com/forum/#!forum/jssip

If you have found a bug in the software, or want to propose a new well documented feature or improvement, please delete this text and continue. :)