1. Service Capability Exposure Function User Guide
  2. SCEF Functional Summary
  3. MQTT Broker
  4. Device Subscriptions

Device Subscriptions

The following call flow explains the procedure followed in device subscriptions.

Figure 2-25 Device Subscription Call Flow

DeviceSubscription

Table 2-14 Device Subscription Response Code

Response Code Reason
MqttException (128)
  • Duplicate Subscription
  • NoOfDeviceSubscriptionAllowed Check failed
  • APN Rate control check failed
Successful Subscribe Ack Subscription is Successful