Format

Delivery receipts and intermediate notifications have the following format and are contained in the short_message field of the deliver_sm:

id:IIIIIIIIII sub:SSS dlvrd:DDD submit date:YYMMDDhhmm done date:YYMMDDhhmm stat:DDDDDDD err:EEE text:

id: message ID returned in submit_sm_resp (up to 64 characters in length)
sub: number of messages originally submitted (set to 001)
dlvrd: number of messages delivered (000 or 001)
submit date: When message was submitted by ESME
done date: When message reached final state
stat: State of message (see Name field below)
err: Error encountered during delivery (if any)

TLVs

Additionally, the following TLVs are present in the delivery receipt:

TLV	Description
receipted_message_id	MC message ID of message being receipted. Should be present for MC Delivery Receipts and Intermediate Notifications.
message_state	Delivery state as shown in below table.
network_error_code	Error code specific to a wireless network (see error codes below).

Message states

State	Meaning	Name	Description
0	Scheduled	SCHEDLD	The message is scheduled. Delivery has not yet been initiated. (Intermediate)
1	Enroute	ENROUTE	The message is in enroute state. (Intermediate)
2	Delivered	DELIVRD	Message is delivered to destination. (Final)
3	Expired	EXPIRED	Message validity period has expired. (Final)
4	Deleted	DELETED	Message has been deleted. (Final)
5	Undeliverable	UNDELIV	Message is undeliverable. (Final)
6	Accepted	ACCEPTD	Message is in accepted state. (Final)
7	Unknown	UNKNOWN	Message is in invalid state.
8	Rejected	REJECTD	Message is in a rejected state. (Final)
9	Skipped	SKIPPED	The message was accepted but not transmitted or broadcast on the network. (Final)

Error codes

Values returned as error codes are those values returned in DLRs from supplier SMSCs. Contact your suppliers for the meaning of error codes returned in their DLRs.