Delivery Issues

Delivery Issues

Invalid Numbers and Rejected Messages
As a free service to our customers and to prevent them from unnecessary cost, we check all phone numbers used on SMS.to to see whether they are valid or not...
My Messages are not Delivered and How to Escalate to SMS.to Support
Sometimes messages are not delivered. The possible reasons for this are theoretically endless but most of them can be eliminated by us after proper investig...
Testing SMS Delivery
Content We do understand that it may seem a good idea at first to use content like: This is a test Hello world! Testing for company ABC Hello X, pleas...
My Messages are Delivered with a Delay
The first thing to make sure is to determine how you measure the delay and whether or not that is a valid measurement method. It is a common misunderstandin...
Delivery Quota and Measuring Quality of Routes
Calculation You might be interested to calculate your delivery quota. The intuitive first approach to calculate this quota is to use the following calcula...