@startuml Server Invitation Step 01
Bob -> MeowBob: Create invitation for alice (Generate Bob ContactCard and create Alice pending contact)
Bob -> Alice: Send invitation (Bob ContactCard)
Alice -> MeowAlice: Accept Invitation and create answer (Generate Alice ContactCard and create finalized Bob contact)
Alice -> Bob: Send answer (Alice ContactCard)
Bob -> MeowBob: Review Answer, invitation finalize (Finalize Alice contact and notify Alice that communication is possible)
@enduml