I have a question with ATA devices. Is possible connect serial ATA to modem GSM to make mobile call?
User is unable to connect ATA to modem
Connecting a modem to the ATA is an unsupported hardware configuration and can have undesirable results. The ATA 18x is not designed to work with either PBX or KSU, or any other device except, plain old telephones because it does not provide Sup Disc parameters and it is expecting the end-device (an analog phone) to be hung up manually.
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