Runtime components : Channels components : SMS handler : SMS channel driver
  
SMS channel driver
SMS Channel Driver is responsible communicating with SMS gateway, receiving and sending SMS message, encoding/decoding SMS message from/to channel context and call Request Handler. SMS Channel Driver contains the following handlers: Inbound message handler, outbound message handler, and delivery report handler.
See
Inbound message handler
Outbound message handler
Delivery report handler
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SMS handler