MWI not working on multiple phone brands

Hello all:

I’m having an issue with MWI on different phone brands - Linksys, Grandstream, Yealink. PBX is Dstro 12.0.64 with asterisk 13.1.0. Endpoints are all PJSIP. I’ve seen and implemented Alex9999’s suggestion (changing MAILBOX to ‘[email protected]’ but it doesn’t help. Mailbox seems to work and voicemail arrives properly but the MWI doesn’t light up.

Thanks in advance.

OK, it’s working now. I didn’t have MWI enabled at the new phones, assuming that MWI Subscribe was enabled by default.

Thanks to all