Chatti & Vonage SMS Delivery Error Codes

All Delivery Receipts with a non-zero error code can be considered as indicating failed delivery. i.e. Your SMS did not reach the recipient.

Neither Chatti SMS APIs nor operators will perform further attempts to re-deliver a message unless another API call is performed.

Error codes:

The err-code field in the DLR provides more detailed information and can help troubleshoot a failed delivery. A non-zero code indicates that the message could not be delivered.

err-code

Meaning

Description

0

Delivered

Message was delivered successfully

1

Unknown

Message was not delivered, and no reason could be determined

2

Absent Subscriber - Temporary

Message was not delivered because handset was temporarily unavailable - retry

3

Absent Subscriber - Permanent

The number is no longer active and should be removed from your database

4

Call Barred by User

This is a permanent error: the number should be removed from your database and the user must contact their network operator to remove the bar

5

Portability Error

There is an issue relating to portability of the number and you should contact the network operator to resolve it

6

Anti-Spam Rejection

The message has been blocked by a carrier's anti-spam filter

7

Handset Busy

The handset was not available at the time the message was sent - retry

8

Network Error

The message failed due to a network error - retry

9

Illegal Number

The user has specifically requested not to receive messages from a specific service

10

Illegal Message

There is an error in a message parameter, e.g. wrong encoding flag

11

Unrouteable

Vonage cannot find a suitable route to deliver the message - contact [email protected]chatti.com

12

Destination Unreachable

A route to the number cannot be found - confirm the recipient's number

13

Subscriber Age Restriction

The target cannot receive your message due to their age

14

Number Blocked by Carrier

The recipient should ask their carrier to enable SMS on their plan

15

Prepaid Insufficient Funds

The recipient is on a prepaid plan and does not have enough credit to receive your message

50

Entity Filter

The message failed due to entity-id being incorrect or not provided. More information on country specific regulations

51

Header Filter

The message failed because the header ID (from phone number) was incorrect or missing. More information on country specific regulations

52

Content Filter

The message failed due to content-id being incorrect or not provided. More information on country specific regulations

53

Consent Filter

The message failed due to consent not being authorized. More information on country specific regulations

54

Regulation Error

Unexpected regulation error - contact [email protected]chatti.com

99

General Error

Typically refers to an error in the route - contact [email protected]chatti.com

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