SIP Packet Examples
Basic INVITE
Simple SIP INVITE request with basic headers and SDP offer.
Registration
Complete SIP REGISTER flow with authentication challenge (407), auth response, and success (200 OK).
Error Responses
Common SIP error responses like 404, 486, and 503.
BYE Request
SIP BYE request to terminate an active call session.
CANCEL Request
SIP CANCEL request to cancel a pending INVITE transaction.
OPTIONS Request
SIP OPTIONS request to query server capabilities.
Example Details
Select an example above to view the detailed SIP message
About SIP Packet Examples
This section provides real-world examples of common SIP messages and scenarios. Each example includes the complete SIP message with proper headers, formatting, and interactive explanations. Click on any line to see a floating explanation tooltip positioned near the selected line.
These examples are useful for:
- Understanding SIP message structure
- Learning proper header formatting
- Debugging SIP implementations
- Testing SIP applications
- Educational purposes
Pro Tip
Use these examples as templates for your own SIP implementations. Pay attention to the header order and formatting, as these details matter for proper SIP compliance.