@miconda Okay there is one issue in that patch, it is that the server is checking only for a single CRLF incoming, while it should check for double. I've changed it to
``` if(frame.payload_len==CRLF_LEN*2 && strncmp(frame.payload_data, "\r\n\r\n", CRLF_LEN*2)==0) ```
And it works with SIP.js now.