Co zákazníci říkají o Telzu

Crystal-clear connection. Perfect quality.

for internatiol call very nice app

we are really enjoying your service please keep on

All international calls I make through this app (Telz) are very clear and without any distortion.

perfect service phone quality quick customer response ... strongly recommend..

Incredible app, I spent 20 cents in a call from the Caribbean to the USA, that lasted 40 mins. I've got a bit of noise during the call but, what, look at the price again.

Excellent app, it's very practical and really useful.

Works ok for all my needs. Good calls quality.

The call quality is excellent.

I tried dozens of other apps today... either loads of advertising junk or apps that didn't work. This one's perfect! Top!

Very good app for making calls

really helpful especially for international students who need to contact foreign offices and universities. will definitely recommend to all

it is an amazing app

If anyone wants to call Afghanistan or other countries directly, they can call at a very good price

thanks for this great service 👍 👏

I have been using this application continuously for 9 years. It is the best app. Good apps clear voice great rate thanks

very nice calling app, I recommend it for everyone

the best app to call when no one has. internet in Venezuela