I know this and why don't you just follow telcoin twitter https://twitter.com/telcoin_team

It will give you regular update about telcoin like blog, announcement, etc. You can also join in the telcoin telegram group the team is regularly posting any update about telcoin. I have ever joined in the telcoin tele group but i have been going out from there since it's not a part of my portfolios. You can try to visit its twitter account and you may see that the link to go to the tele group.