its like shop owner and customer, one to one [url removed, login to view] need one to one chat using twilio api ,angular js based on ionic framework
Its like any user create chat then some default user must be joined that channel.
after that any other member also can join that chat
every joined user have must some unique id or some thing to have friendly name so when type then indicator shows name.
Also need to check joined user status like while send message if user online or offline
,need multiple image sending to that channel.