Search results
-
C
Dahua IP intercom: VTO3211D-P2 (new P & P4 ) door station - experience, review, firmware support?
Hi, I had the same problems when I install this version: GeneralTO3211D_MultiLang_PN_SIP_Market_V4.400.0000000.3.R.20191019 but on General_VTO3211D_Eng_P_SIP_V4.300.0000000.4.R.20190306 everything with smartphone calling works fine.