| Reference Code: | Code Definition: | Next Steps: |
| 100, 103, 105 | call completed, in progress, call queued | nothing further |
| 101, 102, 107 | unable to complete call | verify line is open, try again |
| 104, 106, 129, 130 | call blocked or number invalid | try alternate phone number or try again |
| 200, 203 | message delivered | nothing further |
| 207, 210, 221 | error occurred | try again later |
| 222 | SMS not supported | try alternate phone number |
| 211, 220 | incompatible | try alternate phone number |
| 231, 250, 295 | error occurred | try again later |
| 290, 291, 292 | message queued, in process | please wait |
| 403, 500 | error occurred | try again later |
| 422 | PayPal connection limit reached | try connecting a different account |
| 501 | unauthorized, not completed | request authorization again |