I have an OpenStage 15 SIP phone with really old firmware V2 R0.0.196 and I have to upgrade it to V3 R5.12.0 but to do so I have to upgrade to V2R2 firmware which I do not have. Can anyone assist with this firmware version at all. It would be highly appreciated.
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.