🕷️️ Job Radar • SCRAPING

freelancer.com 🟠 2026-05-21

🔹 Real-Time Automotive Lead Scraper & Automated VoIP Dialer
👤 Client: **** Member since 2026-05-21
💰 Price: $1336 Average bid
🚩 Problem: High latency in lead acquisition and dealer contact resulting in lost competitive advantage in the car buying market.
📦 Existing: Hetzner Linux VPS (Germany), SIP Trunks (Deutsche Telekom, Vodafone, o2 Telefónica), MicroSIP/Physical SIP Phone.

Specifications:

[Target] Mobile.de, AutoScout24, Kleinanzeigen.de
[Method] Reverse-engineered App APIs (JSON endpoints)
[Method] Asynchronous multithreading (Python asyncio or Node.js)
[Security] TLS/JA3 fingerprint emulation (curl_cffi/tls-client)
[Security] German residential proxies (Smartproxy/Bright Data)
[Stack] Asterisk/FreePBX
[Stack] Asterisk Manager Interface (AMI) via TCP Socket
[Method] Parallel Forking (Simultaneous SIP INVITEs across 3 trunks)
[Method] SIP CANCEL on first 180 Ringing/200 OK
[Method] SIP auto-answer headers (Call-Info: answer-after=0)
[Method] Redial loop (SIP 486 handling, 200ms delay, 20 retries)
[Method] CLIP no screening caller ID rotation
[UI/UX] Web-Dashboard with search filters (Make, Model, Price, Year, Fuel)
[UI/UX] Real-time visual alerts with lazy-loading image hyperlinks
[Security] HTTPS (Let's Encrypt) and JWT/HTTP Basic Auth
[Format] JSON

Workflow:

1. Deployment of Linux VPS and Web-Dashboard for search criteria configuration.
2. Implementation of asynchronous API scrapers with anti-bot bypass and proxy rotation.
3. Configuration of Asterisk VoIP backend with triple-trunk parallel forking.
4. Integration of AMI trigger to initiate calls upon scraper match.
5. Setup of auto-answer headers and redial logic for immediate dealer connection.