Tag Archives | FXO of UM cannot disconnect the call

Caller ID of UCM

For the FXO of UCM, if you hope to make sure it can work normally, you can referĀ  to the below method: 1. we will do the ACIM detection firstly. 2. we will detect the PSTN line. if we just plug one PSTN line, we can choose semi-auto detect, and you can input your mobile […]

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