The communication between waiter, and kitchen & bar staffs is critical with the sale operation in the restaurant, especially when the distance between the kitchen/bar and cashier is very far. Any missed or wrong item in the order will make your customers unhappy. Moreover, how to quickly update out-of-serve items for the waiter and newly added items for kitchen and bar staffs?
If you go with printing paper bills for kitchen and bar, it will cost you and also the environment much money unnecessarily; since you keep printing the new kitchen/bar bill when having any updates. However, this traditional way still not present the smoothy in sale operation, especially when you have to depend on the hardware too much. Everything will go wrong when their nightmare comes, paper jam or crashed computer are just a few unexpected cases can happen.
By leveraging the development of chatting apps (Viber, Skype, etc.); you can upgrade the communication between the waiter, and kitchen & bar staffs to the new modern and smoothly way. All orders or updated information will be shared through the chat group of your restaurant. When going with this way belong with eBill, now you can completely remove the dependence on the hardware and enhance the sale operation.
It would be best if you choose Skype to create the Group Chat between waiter and kitchen/bar staffs since it has features to support the communication updated continuously and quickly: quote and give emotion for messages.