This marks that a session is being opened by Alice to reply to Bob, who has sent a message to Alice's phone number rather than her account UUID. Apps can check this flag to determine if they need to include extra information in the message content to certify that yes, this account is the owner of this phone number.
This marks that a session is being opened by Alice to reply to Bob, who has sent a message to Alice's phone number rather than her account UUID. Apps can check this flag to determine if they need to include extra information in the message content to certify that yes, this account is the owner of this phone number.