If you contact the support team at ProVu regarding an issue with a Yealink device we might ask for some additional logs from the unit.
If you are asked to obtain these you can use the links below as a guide to obtain them.
For phones on firmware version 80 or lower use the link below:
http://support.yealink.com/faq/faqInfo?id=708
For phones on firmware version 80 or higher use the link below:
http://support.yealink.com/faq/faqInfo?id=707
For issues where it needs to be capture via wireshark please use the link below:
http://support.yealink.com/faq/faqInfo?id=709