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Outbound SMS

How is a multipart SMS constructed?
Question How is a multipart SMS constructed? Applies To Outbound SMS Mu...
DLR Error Code 4 Call Barred By User
Symptom When sending outbound SMS, I received delivery receipt error cod...
DLR Error Code 7 Handset Busy
Symptom When sending outbound SMS, I received delivery receipt error cod...
DLR Error Code 11 Unroutable
Symptom When sending outbound SMS, I received delivery receipt error cod...
DLR Error Code 6 Anti-Spam Rejection
Question Why am I receiving a delivery receipt error code 6 after sendin...
DLR Error Code 5 Portability Error
Symptom When sending outbound SMS, I received delivery receipt error cod...
DLR Error Code 3 Absent Subscriber Permanent
Question What does delivery receipt error code 3 refer to when sending o...
DLR Error Code 9 Illegal Number
Question What does it mean when I see a delivery receipt error code 9 in...
DLR Error Code 99 General Error
Symptom When sending outbound SMS, I received delivery receipt error cod...
Vonage SMS Delivery Error Codes and Descriptions
Question What are common error codes I might see on DLR when attempting ...
Error 8 Network Error
Symptom When sending SMS, you receive Error 8 Network Error. Applies To ...
Message Delivery Failed Error 10 Invalid Message
Symptom When attempting to send an outbound SMS, you receive an error th...
How to Avoid Outbound SMS Rejection
Question What are some best practices to avoid having my outbound SMS re...
What are some best practices for sending social invites through SMS?
Question When sending social invites via SMS to promote an app or servic...
What is the minimum/maximum of a Sender ID length?
Question How long can the Sender ID be? Applies To Sender ID SMS Answe...
Adding a New Line in SMS Using Vonage REST API
Objective Adding a new line or carriage return in SMS using the Vonage R...