Systems and techniques are provided for a digital collaborative workspace system. The system includes a server network node having a processor and a database accessible thereto. The server network node can include logic to register a first display identification code (DIC) with a first network node, a second DIC with a second network node and a third DIC with a third network node. The server network node can detect an input from a second user identifying the shared workspace and the registered phone number or other identifier of the first user. The server network node can transmit this data to the third network node and in dependence upon receiving a selection of one or more of the first DIC, the second DIC, and the third DIC from the third network node, start a collaboration by sending the shared digital workspace to the network nodes registered with the selected DICs.