Were you able to find the right Providers within voip-service ? If you're also a provider of voip-service and you're not featured in the business directory yet, you can always Add an entry for free.
The results list for voip-service in Flint. You can find the best voip-service vendors and providers in Flint in the Flint Business Directory. Currently there is no company is registered in the Flint business directory under voip-service.