I need you guys' help about "PBX Delivers Audio"
I got two 3cx deployments
the 1st one (s1), located on m$ Azure (in USA), version: 18.0 Update 1 (Build 234)
as the contrast, the 2nd one (s2), in one cloud service located in China, version: 18.0 (Build 1880)
and I have two SIP boxes (same...