Mobile network operators pay for a quality they do not receive, transit carriers pocket the difference.
Furthermore, these issues often remain unaddressed as operators have limited visibility of the call delivery quality and lack evidence to challenge the carriers.

Operators face 3 significant issues when transit carriers terminated traffic over low-quality, fraudulent routes:

If you would like a free consultation to discuss how you can get a better visibility on how your international traffic is terminated abroad, do not hesitate to contact us!
We will be happy to help!