What are the SMS delivery status codes for messages that are sent to India? [updated 2019]
Why are SMS messages to India undelivered?
Problem/Symptoms
- Why are my SMS messages to India undelivered?
- Why can't I send SMS in India?
- Error code 1 Unknown
- No delivery in India
- Very low delivery in India
- Undelivered in India
- How do I get delivery in India?
- How can I register with the NDNC?
Cause
The most probable cause for this is that your recepients are registered with India's NDNC (National Do Not Call) list.
Context
India is a very complex market as far as regulations are concerned and if you do not comply with them your SMS will not be delivered. Very few numbers in India are not registered with the NDNC register, so you may still see some small levels of delivery, but most of your SMS will be undelivered.
You can register your Sender ID to bypass this filter. The requirements for this are:
You are sending transactional messages which are either user-generated or expected
A 6 - Alphanumeric sender ID and SMS template for registration
Minimum 25k SMS per month
Resolution
1. Check the destination number on the Telecom Regulatory Authority of India registry using the following search tool: http://www.nccptrai.gov.in/nccpregistry/search.misc
N.B. Omit India International prefix 91
2. Register at http://sms.bulksmsind.in/registernew
Registration is not immediate - if you need this process expediting, please contact (BULK SMS INDIA Support).
View a list of delivery status codes from BULK SMS INDIA. In case of an SMS delivery failure, if the status code is Permanent, do not attempt to resend the SMS message.
Table 1. BULK SMS INDIA delivery status codes for India
CARRIER_ERR_DES
|
Description
|
Permanent/Temporary
|
Delivered to Handset
|
Message was delivered to the
handset.
|
|
UNKNOWN
|
Unknown Network Error at the SMSC
|
Temporary
|
Unknown subscriber
|
Message is rejected because there
is no directory number for the mobile subscriber or service is temporarily
not available for the subscriber from the end carrier
|
Permanent
|
Service temporary not available
|
Intermittent network error in the
Short Message Service Center (SMSC)
|
Temporary
|
Unknown subscriber, System failure
|
System failure due to Unknown
subscriber
|
Permanent
|
Absent subscriber SM
|
Subscriber cannot be reached at
the time of broadcast or unknown subscriber
|
Temporary
|
Unknown equipment
|
Network error in Telco
|
Temporary
|
Illegal subscriber
|
Invalid subscribers
|
Temporary
|
System failure (Network timeout)
|
Network timeout at the SMSC level
|
Temporary
|
MS not equipped (Teleservice not
provisioned)
|
Mobile switching (MS) center not
equipped to teleservice
|
Temporary
|
Illegal equipment
|
Message rejected because the MS
was black-listed
|
Permanent
|
Call barred
|
Messages blocked by the end user /
carrier
|
Permanent
|
System failure
|
System failure in the MT network.
|
Temporary
|
SM Delivery fail (Subscriber busy
for MT SMS)
|
Short Message delivery fail due to
the Mobile Termination because of subscriber busy
|
Temporary
|
SMS lower layer not provisioned
|
SMS lower layers capabilities not
provisioned: message rejected due to MS not being able to support the SMS
|
Temporary
|
System failure (Error in SMT)
|
Failure in SMSC during termination
|
Temporary
|
Facility not supported
|
The message is rejected due to non
provision in SMSC
|
Permanent
|
Delivery fail (No interworking
module available)
|
Network issue at the SMSC level
|
Temporary
|
Delivery fail (VP exceeded)
|
Delivery failed due to message
expiry
|
Temporary
|
Absent subscriber
|
Absent subscriber due to phone
being switched off,due to phone out of coverage,due to roaming
restriction/restricted area
|
Temporary
|
Delivery fail (Subscriber busy)
|
Delivery failed due to the
subscriber was in busy mode
|
Temporary
|
System failure (No subscriber
reply)
|
Failure due the no response from
the SMSC
|
Temporary
|
Subscriber busy for MT SMS
|
Subscriber busy during message
termination
|
Temporary
|
Delivery fail
|
Message failed due to the network
error with SMSCs
|
Temporary
|
Message waiting list full
|
Re-try timeout in between the
networks
|
Temporary
|
System failure (remote abort)
|
Network error at the far end
operator
|
Temporary
|
Teleservice not provisioned
|
New / non-existent number series
|
Temporary
|
PLMN system failure
|
Error in SMSC authentication
failure
|
Temporary
|
HLR system failure
|
The Home Location Register is a
database. It provides routing information for MT (Mobile Terminated) calls
and SMS (Short Message Service). If this information is not accessed by the
carriers it will results in HLR timeout
|
Temporary
|
VLR system failure
|
The Visitor Location Register is a
temporary database of the subscribers who have roamed into the particular
area which it serves. Each base station in the network is served by exactly
one VLR, hence a subscriber cannot be present in more than one VLR at a time.
If this information is not accessed by the carriers it will results in HLR
timeout
|
Temporary
|
Previous VLR system failure
|
Connectivity issue with VLR and
HLR
|
Temporary
|
Controlling MSC system failure
|
Mobile switching center
controlling failure
|
Temporary
|
VMSC system failure
|
Error in VMSC authentication
failure
|
Temporary
|
Network system error
|
Temporary
|
|
SM delivery failure
|
Unknown SMSC failure
|
Temporary
|
Memory capacity exceeded
|
Memory capacity exceeded on the MT
handset
|
Temporary
|
Equipment protocol error
|
Message not compatible with short
message protocol
|
Temporary
|
Equipment not SM equipped
|
Messaging was not equipment for
delivery
|
Temporary
|
System failure (unexpected data
value)
|
Message not compatible with short
message protocol
|
Temporary
|
SM loop prevention
|
Short Message looping route
failure
|
Temporary
|
Barring service active
|
Barring Service activated by the
end customer / Operator
|
Permanent
|
Operator barring
|
Messages blocked by the carrier
|
Permanent
|
No paging response via the MSC
|
No response from Mobile switching
center
|
Temporary
|
IMSI detached
|
Mobile network to which it was
connected. The IMSI detach procedure informs the network that the Mobile
Station is switched off
|
Temporary
|
Roaming restriction
|
Roaming not provisioned
|
Temporary
|
Deregistered in the HLR for
non-GPRS
|
Unable to connect to Home Location
register
|
Temporary
|
MS purged for non-GPRS
|
A request for a roaming number
concerning a subscriber whose record has been discarded from the VLR by the
Super-Charger database management function results in a “MS Purged”
indication from the VLR to the HLR, so that the HLR subsequently can set the
“MS Purged for Non-GPRS” flag for the concerned subscriber, thereby
preventing subsequent attempts to reach the concerned subscriber with mobile
terminated calls or short messages.
|
Temporary
|
No paging response via the SGSN
|
Service GPRS service node
|
Temporary
|
GPRS detached
|
The
mobile-station-Not-Reachable-Reason (MNRR) indicates the reason why the
recipient SMe is absent from the network. This indicator,maintained by the
HLR, is either cleared or contains one of the following values: no paging
response via the MSC, no paging response via the SGSN, IMSI detached.
|
Temporary
|
Deregistered in the HLR for GPRS
|
Routing information for MT (Mobile
Terminated) calls and SMS (Short Message Service). If this information is not
accessed by the carriers it will results in HLR timeout
|
Temporary
|
MS purged for GPRS
|
Mobile station
|
Temporary
|
Unidentified subscriber via the
MSC
|
Unknown subscriber in Mobile
Switching Centre (MSC)
|
Temporary
|
Unidentified subscriber via the
SGSN
|
Unknown subscriber in Serving GPRS
Support Node (SGSN)
|
Temporary
|
EIR system failure
|
Equipment identity register fail
at HLR
|
Temporary
|
Delivery fail (SM delivery
failure)
|
Short Message (SM) delivery fail
|
Temporary
|
Protocol error (MS Protocol error)
|
Mobile station / tower network
error
|
Temporary
|
MS not equipped
|
Mobile Station not equipped to
deliver the message
|
Temporary
|
Error in MS
|
Network issue at the SMSC level
|
Temporary
|
SMS lower layer capabilities not
provisioned
|
Message rejected due to MS not
being able to support the SMS
|
Temporary
|
System failure (unexpected data
value)
|
Message content not support by the
handset
|
Temporary
|
Delivery fail (SM loop prevented)
|
Short Message delivery failed due
to message routing issue
|
Temporary
|
Unauthorised message originator
|
Blocked / Not registered Sender id
|
Permanent
|
Unauthorised message
originator-Barring service
|
Barred / Blocked / Not registered
Sender id
|
Permanent
|
Unauthorised message
originator-Operator barring
|
Operator Barred / Blocked / Not
registered Sender id
|
Permanent
|
GPRS connection suspended
|
Network suspended error
|
Temporary
|
IMSI unknown
|
International Mobile Subscriber
Identity Unknown
|
Temporary
|
GPRS subscription unknown
|
GPRS subscription if the HLR
indicates that there is an error in the type of subscription (i.e. SGSN
requests service for a non-GPRS only subscriber). The HLR may also send this
error in the MAP SEND AUTHENTICATION INFORESPONSE message.
|
Temporary
|
MNP other operator not allowed
|
Mobile Number Portability not
allowed
|
Temporary
|
Measured no paging response via
the MSC
|
No response from Mobile switching
center
|
Temporary
|
Measured no paging response via
the SGSN
|
No response from Mobile Serving
GPRS Support Node
|
Temporary
|
Illegal MS (HLR Access Denied: MS
Denied)
|
The Home Location Register is a
database. It provides routing information for MT (Mobile Terminated) calls
and SMS
|
Temporary
|
Absent subscriber(HLR Access
Denied: Postponed)
|
Subscriber cannot be reached at
the time of broadcast or unknown subscriber
|
Temporary
|
Illegal MS (Address vacant)
|
Message rejected due to an error
occurring within the MS at reception of a short message (lack of address).
|
Temporary
|
Illegal MS (Address translation
failure)
|
Message rejected due to an error
occurring within the MS at reception of a short message (lack of Address
translation).
|
Temporary
|
Service temporary not avail.
|
Temporary network error
|
Temporary
|
System failure (Network failure)
|
Network error at the SMSC level
|
Temporary
|
No Page Response (Out of coverage
area)
|
Network error
|
Temporary
|
Absent subscriber (No
acknowledgment)
|
Absent subscriber due to phone
being switched off,due to phone out of coverage, due to roaming
restriction/restricted area without acknowledgment
|
Temporary
|
Absent subscriber(Destination
resource shortage)
|
The message is rejected because
there was no paging response , the IMSI record is marked detached, or the MS
is subject to roaming restrictions
|
Temporary
|
Absent subscriber (SMS delivery
postponed)
|
User's mobile number not reachable
or out of network coverage area.
|
Temporary
|
Absent subscriber (Destination out
of service)
|
Mobile number barred at the
carrier end
|
Temporary
|
Unexpected data value (Encoding
problem)
|
Message termination problem due to
handset issue
|
Temporary
|
Call barred (SMS termination
denied)
|
Messages blocked by the carrier
|
Permanent
|
Call barred (SMS not supported)
|
SMS not support for the handset
|
Permanent
|
Unexpected data value
|
Network error
|
Permanent
|
Reserved
|
Unknown network error at the SMSC
|
Temporary
|
SMS Request Timeout (no response
from HLR)
|
Message delivery failed due to
Home Location Register timeout
|
Temporary
|
SMS Delivery Timeout (no response
from MSC)
|
Message service centre connection
error (network issue)
|
Temporary
|
Invalid IDI address received
|
Invalid mobile numbers
|
Permanent
|
Error in MSC address translation
|
Unable to translate the Address in
Mobile switching center
|
Temporary
|
No acknowledgment from Handset
|
Delivery confirmation was not
acknowledged by the end customers Handset
|
Temporary
|
MTP failure
|
Unknown network error at the SMSC
|
Temporary
|
User error: MIN Mismatch
|
Mismatch in mobile identification
number (MIN) will result in MIN mismatch
|
Temporary
|
User error: Resource shortage
|
Network failure in SMSC
|
Temporary
|
User error: System failure
|
Network Failure in SMSC
|
Temporary
|
Invalid SenderId
|
Blocked / Not registered sender id
|
Permanent
|
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