SIP Callflow Diagrams

These interactive SIP callflow diagrams help you understand common VoIP scenarios and call patterns. Each diagram shows the sequence of SIP messages exchanged between different network elements.

How to Use

Select a Diagram: Choose from common SIP scenarios like standard calls, transfers, or error conditions
Customize Nodes: Modify participant names to match your network topology
Generate: Create the sequence diagram using Mermaid syntax
Export: Send to Mermaid Live Editor for further customization

Diagram Types

Standard Calls: Basic INVITE/ACK/BYE flows
Authentication: Calls requiring SIP authentication
Transfers: Blind and consult transfer scenarios
Error Handling: Common error responses and recovery
Advanced Features: PRACK, early media, and special scenarios

Pro Tip

Use the "Export to Mermaid Live Editor" feature to customize diagrams further, add annotations, or create your own variations of these call flows.

About SIP Callflow Diagrams

How to Use

Diagram Types

Pro Tip