Read now So far, more than a dozen different members have contributed to the group, posting voice notes of themselves screaming, yelling, groaning, and wailing in various pitches and rhythms. Done! Now you’re the proud owner of a Telegram channel. The next step is to set up and customize your channel. The optimal dimension of the avatar on Telegram is 512px by 512px, and it’s recommended to use PNG format to deliver an unpixelated avatar. The Channel name and bio must be no more than 255 characters long
from us