Answer team questions, send notes, open channels. Every one is ready to run, and you can adjust it in plain language.
Report sprint issue and point progress to the team in chat.
Get a current sprint report in the same chat thread, with issue and point progress, blockers, and links your team can open.
Create a developer huddle and send its link in the requester's chat.
Get a fresh joining link in the same private chat where you ask for a call, ready to share with your team.