@Asaf Galon hey sorry for the delay, been taking a few days off ;)
Personally I use my own product BenkoPhone to do this but it's specific to Australian mobile numbers, for a more generic solution you could use Twilio, I created an example of sending using Twilio and Trellinator here a while back:
You can read more about Trellinator here:
Hello Community! My name is Brittany Joiner and I am a Trello enthusiast and Atlassian Community Leader. In this video, I'll share my favorite Trello templates. Templates mentioned in ...
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