Each month GTT’s quality control team assesses and scores the tester’s reliability to ensure we are providing our clients with the best possible, and unequaled, phone number testing and toll-free number testing services in the world. GTT constantly optimizes testing services by incorporating feedback from our clients and adjusting and adapting our testing parameters to benefit our clients.
In-Country local phone number testing can only be truly reliable by engaging GTT’s professional testers that use real devices under real-world conditions to ensure that your worldwide operations are successful. Automated testing on our Testing Portal allows you to test phone numbers at a lower cost, driving down your overall testing expense, and to re-test failed phone numbers with our in-country local testers. Companies that solely rely on automated testing cannot deliver the accurate results that GTT’s local testers deliver.
GTT’s in-country local testers provide the accuracy and data your company requires. Clients from around the world rely on GTT for one-of-a-kind testing results.