MWI slow asterisk 16.16.2

Hi Guys,

Recently upgraded to 16.x from dare I say it 1.8 and all’s well apart from the MWI. It takes about 3 minutes to come on and another 3 mins to turn off.

We’re using ODBC storage and all other VM functions work as expected.

Server is sat behind opensips with around 175 end points. Anyone have a clue as to where to start tracking this down? We are not using PJsip, just the old regular chan_sip.

This is a ‘new feature’ since the upgrade.

regards