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I will develop esp32 sip voip phone firmware
Ningning Shi
About this gig
I develop custom ESP32based SIP / VoIP firmware for intercom and speaker hardware.
What you get:
SIP register, call in/out, audio path implementation
Firmware tailored for your existing hardware SDK
Wellcommented source code for agreedupon modules
Important notes:
Requires your existing board SDK. No fullproduct UIAI solution without custom quoted order.
Message me before placing an order.
Get to know Ningning Shi
Ningning Shi
Embedded Software Engineer
- FromChina
- Member sinceMay 2026
- Avg. response time1 hour
Languages
Chinese, English
Embedded software engineer with 3 years experience in Rockchip (RV1106/RV1126/RK3588) and MCU development. Expertise: embedded Linux, audio/video, protocols (GB28181, ONVIF, RTSP, SIP), AI porting, Qt.
Delivered production solutions for surveillance, traffic event detection with radar-vision fusion, and video streaming. Strong in C/C++ and debugging.
Services:
• Embedded Linux firmware & apps
• MCU & IoT development
• Video streaming & protocols
• Qt desktop tools
• AI algorithm porting
Let me build reliable embedded solutions for you.
FAQ
Do you provide hardware?
No, this service is firmware development only, you need your own hardware board and SDK.
Can I place an order without pre‑chat?
Not recommended. Scope must be confirmed in chat before purchase.
What does revision cover?
Revisions cover adjustments within agreed scope; new feature requests are extra.
Do you support full‑product UI and AI features?
Yes, but these require separate custom quote, not covered by standard packages.
