Syniverse (SMS Provider) Bearer Token - How to get and whats the expiry

Summary:

How to get the bearer token for setting up Syniverse SMS Provider in ORC and how to define or get the expiry date for the same?

Content (required):

Has any one setup Syniverse anytime in ORC ?

If yes, need help with following:

1. From where to get the bearer token ?
2. How do you define or get to know the expiry of bearer token?

Version (include the version you are using, if applicable):

23B

Code Snippet (add any code snippets that support your topic, if applicable):