Genuinely helpful customer support

Customer service is prompt, and unfailingly polite and helpful. The "worst" experience I ever had over several years was simply calling at a time/day when I couldn't immediately connect with an agent and so got voicemail instead. Every other time, they sorted out my issue/misunderstanding/whatever with no fuss. It's a serious relief to know that customer support isn't going to be a waste of time, stressful, or fail to resolve problems.

Your agent Julia was very kind and…

Your agent Julia was very kind and helping. She guided me step by step through the process. She is an asset to your firm.

I've been satisfied with Tello service…

I've been satisfied with Tello service for quite a long time now. The price for what I need is attractive.