8x8 sends delivery report information in the short_message field of a deliver_sm PDU.

The following format should be expected:

Format

id:IIIIIIIIII sub:SSS dlvrd:DDD submit date:YYMMDDhhmm done date:YYMMDDhhmm stat:DDDDDDD err:E Text: . . . . . . . . .

Where:

• stat: is one of the message states below
• err: is one of the error codes below, if available.

Message States

The following message states can be found in a delivery report:

• DELIVRD
• EXPIRED
• UNDELIV
• ACCEPTD
• UNKNOWN
• ENROUTE
• REJECTD

Error Codes

For the list of error codes that might be sent in DLR please refer to SMS Delivery receipts error codes