Sip Protocol Fundamentals
- 93 installs
- 186 repo stars
- Updated July 19, 2026
- thebushidocollective/han
Helps with ai & agent building tasks during AI-assisted development.
About
sip-protocol-fundamentals is a Claude Code skill for ai & agent building. It helps solo builders move faster with AI-assisted coding.
- sip-protocol-fundamentals
- AI & Agent Building
- AI-coding skill
Sip Protocol Fundamentals by the numbers
- 93 all-time installs (skills.sh)
- +2 installs in the week ending Aug 5, 2026 (Skillselion tracking)
- Ranked #4,706 of 16,546 AI & Agent Building skills by installs in the Skillselion catalog
- Data as of Aug 5, 2026 (Skillselion catalog sync)
npx skills add https://github.com/thebushidocollective/han --skill sip-protocol-fundamentalsAdd your badge
Show developers this skill is listed on Skillselion. Paste this into your README.
| Installs | 93 |
|---|---|
| repo stars | ★ 186 |
| Last updated | July 19, 2026 |
| Repository | thebushidocollective/han ↗ |
What it does
Helps with ai & agent building tasks during AI-assisted development.
Files
SIP Protocol Fundamentals
Master the Session Initiation Protocol (SIP) for building VoIP applications, understanding SIP messages, methods, and call flows essential for real-time communications.
Understanding SIP
SIP is an application-layer signaling protocol defined in RFC 3261 for creating, modifying, and terminating sessions with one or more participants.
SIP Message Structure
INVITE sip:bob@biloxi.com SIP/2.0
Via: SIP/2.0/UDP pc33.atlanta.com;branch=z9hG4bK776asdhds
Max-Forwards: 70
To: Bob <sip:bob@biloxi.com>
From: Alice <sip:alice@atlanta.com>;tag=1928301774
Call-ID: a84b4c76e66710@pc33.atlanta.com
CSeq: 314159 INVITE
Contact: <sip:alice@pc33.atlanta.com>
Content-Type: application/sdp
Content-Length: 142When to Use This Skill
Use sip-protocol-fundamentals when building VoIP applications with SIP signaling.
Best Practices
- Always include unique branch parameters in Via headers
- Implement proper transaction timeout and retransmission
- Handle all SIP response codes appropriately
Common Pitfalls
- Forgetting to include branch parameter in Via headers
- Not implementing transaction retransmission timers
- Ignoring provisional responses
Resources
Related skills
Setup Matt Pocock SkillsScaffold the per-repo configuration that Matt Pocock’s engineering agent skills rely on so they understand the issue tracker, triage labels, and domain documentation la495k196k
Lark AppsConnect Claude, Cursor or custom agents directly to Lark (Feishu) for messaging, document automation, approval workflows and enterprise data access.402k
CavemanSlash token usage by roughly 75% while keeping every technical detail intact when working with Claude Code, Cursor or similar agents.391k94.7k
Lark Skill MakerQuickly turn any Lark/Feishu OpenAPI call or multi-step workflow into a reusable agent skill with its own SKILL.md.386k16k
Running Claude Code Via Litellm CopilotRun Claude Code at a fraction of the cost by routing requests through LiteLLM to the GitHub Copilot Chat API.270k72
Codex PetGenerate a complete Codex Pet spritesheet and metadata from one reference image without needing an OpenAI key or Codex Pro.246k10AI & Agent Buildingagents