Help Center> IoT Device Access> FAQs> Subscription and Push> Why Did an Application Not Receive Push Messages After an NB-IoT Device Subscribed to Message Confirmation and Command Response Notifications?
Why Did an Application Not Receive Push Messages After an NB-IoT Device Subscribed to Message Confirmation and Command Response Notifications?
The message confirmation and command response notifications are not used on NB-IoT networks (CoAP and LWM2M). On NB-IoT networks, to enable an application to receive command response notifications, configure the callbackUrl parameter when calling the API for creating a command.
Parent topic: Subscription and Push
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