Extensions
- SIP Credentials — How Extension Authentication WorksWhere to find an extension's SIP username, password, and domain, when you need them, and how to reset credentials safely if a device is lost.
- Outbound Caller ID — What Shows When Your Team Calls OutConfigure outbound caller ID per extension - which number displays, the 25-character name rule, and one-time override codes for multi-office teams.
- Dialing Permissions — Controlling What Each Extension Can CallSet per-extension calling permissions - internal, external, international, and emergency dialing, plus supervisor monitoring rights, explained.
- How to Create and Configure an ExtensionCreate a VoIP extension - user details, location, caller ID, ring duration, and the SIP credentials Signal generates for every new extension.
- Bulk-Creating Extensions — Import and Copy WorkflowsCreate dozens of extensions at once - spreadsheet import, copy-extension templates, and the numbering plan to decide before you start.