Hi,
Sorry for the delay replay. Why do you make the call out rules by failover? What's the software version of your GW1202-8G? Please try to update the software verion to the newest one and make the call out rules by groups, you can see it in the following picture.
Sorry for that!
Those quick start PDF file are earliest guide manual, now we added mass of features in new firmwares, and related guide has been updated in USER MANUALS, if you ready it, you will know that.
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