Snom 760 blf+pickup turns on speaker after upgrade to
Can you upgrade to the GA release 126.96.36.199 and see if the behavior persists?
3cx does not support the 188.8.131.52
i checked the same behavior with the 184.108.40.206
i upgraded 10 Snom 765 but only one have this problem
Sorry 10 SNOM 760
Could you try factory reset in this device?
Press # key while booting and press option 1