MyOperator subscription lists are created by tracking all your callers. Some of the callers may not have registered on Facebook with the number they are subscribed on MyOperator. So, MyOperator filters your lists and removes these numbers when it creates these lists in your Facebook Audience on Facebook Ads Manager. This leads to decrease in the Subscription count on Facebook.
Modified on: Thu, 9 Jun, 2016 at 12:52 PM
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