How many PBX/SIP Server Configurations can I add? You can add up to 5 Configurations for PBX/SIP Servers or ITSP services to make calls outside of your team. Related articles Administration Portal Guide Does my SIP Server or PBX need to be open to the internet? Why does Bria Teams have a delay when answering calls? I have a really large team. Are there any limits on the number of users I can have? System Requirements