Rafiki classifies a meeting or a call as 'Internal' or 'External' based on the participants.
A call is classified as Internal under the following condition:
All participants of the meeting are dialed in with their email address (not through phone) and they are all on the same email domain.
A call is classified as External under the following conditions:
Participants do not have the same email domain.
A participant uses the mobile app version to dial into the conference. (not through email id).