Absolutely agree with your point. A wholesale provider must be able to scale up quickly, allowing for a Call Center gain more bandwidth quickly. Scalability is one of the key factors CommPeak emphasizes, exactly because Wholesale VoIP termination cannot be limited.

Another issue is to make sure you're contacting a strictly B2B VoIP termination service, avoiding being just one of a thousand clients, despite requiring the attention a Call Center should get from a VoIP provider