Below is a table of the response and error codes you may get after submitting an operation.

Error Codes	Hex Value	Decimal Value	Retryable?	Reasons
ESME_RINVMSGLEN	0x00000001	1	No	Message length is invalid. The `short_message` parameter, if utilized, should be between 1 and 140 bytes long. If long messages need to be sent, SMSC supports concatenated messages using User Data Header (UDH) headers. If `message_payload` parameter is specified, it must be less than 1500 bytes AND the encoded character length must be 900 characters or less.
ESME_RINVCMDID	0x00000003	3	No	Invalid or unsupported Command ID in the Protocol Data Unit (PDU).
ESME_RALYBND	0x00000005	5	No	Bind the PDU received on a bind that is already bound.
ESME_RSYSERR	0x00000008	8	Yes	This error can be returned for both Bind and SubmitSM PDUs. Unable to access the Authentication service to authenticate the Bind credentials in a Bind PDU. Unable to access the Carrier Lookup service to determine the carrier for the MDN when not set in a `SubmitSM` PDU. Other processing errors while processing Bind and `SubmitSM` PDUs.
ESME_RINVSRCADR	0x0000000A	10	No	Invalid source address (short or long code).
ESME_RINVDSTADR	0x0000000B	11	No	Invalid destination address. See Vibes Error Code 26 for more information.
ESME_RBINDFAIL	0x0000000D	13	No	Invalid protocol version - only version 3.4 is supported. Exceeded the allowed number of binds for the Bind Type.
ESME_RINVPASWD	0x0000000E	14	No	Invalid password.
ESME_RINVSYSID	0x0000000F	15	No	Invalid System ID.
ESME_RTHROTTLED	0x00000058	88	Yes	Exceeded the allowed throttle rate.
ESME_RINVCARRRIERID	0x00000401	1025	No	The `CarrierId` in the TLV is set to an invalid value. `CarrierId` TLV cannot be parsed.
ESME_RUNACARRIERID	0x00000402	1026	No	MDN did not resolve to a supported carrier.
ESME_RINVSRCADRNOTAUTH	0x00000403	1027	No	Not authorized to send messages from the specified code.
ESME_RINVSRCADRNOROUTE	0x00000404	1028	No	Code not provisioned for the carrier.
ESME_RINVUDHIE	0x00000405	1029	No	Invalid Information Element Identifier in UDH header. The only supported UDH Information Elements (IE) types are the following: 0x00: concatenated messages with an 8-bit reference number. 0x08: Concatenated messages with a 16-bit reference number.
ESME_RINVDATACODING	0x00000406	1030	No	Invalid data coding provided by the ESME. Currently supported values are: 0, 1, 4, 8
ESME_RINVCOMPANYKEY	0x00000409	1033	No	The company key in the TLV is set to an invalid value. Company key TLV cannot be parsed.

Delivery Receipts

See Delivery Receipt Response Codes for more information.