I am having trouble getting the two-way audio to work on my Hikvision DS-2CD2432F-IW.
It is connected to a Hikvision DS-7608NI-SE/8 NVR with 2.3.10 firmware. The 2432 has V5.2.0 build 140721 firmware.
Now, the two way audio works fine if I log into the camera directly via the web interface...