What are the Firmware Update Steps?
Two Way Audio Issues.
When the user monitors IP CAM, there is an ¡§acmStreamOpen ERROR¡¨ messages.
1. Please confirm that the user does install Sound Card. 2. Please make sure imaadp32.acm is set on the first priority (see the step as follows).
Steps¡J Control Panel - Administrative Tools - Computer Management - Device Manager - Sound, video and game controllers - Audio Codecs - Audio Codecs Properties - imaadp32.acm - imaadp32.acm Properties => Change priority from 1 to 1
3G Mobile Phone Operation Steps.