I have over 14 years of experience in embedded system and networking products.
The following are the projects i have done that are related to your requirement,
- TCP/IP, IPV6 protocol stack development for VoIP phones
- Embedded web servers
- SIM card device drivers
- Windows Test tool development for SIM card
As this suits my area of interest, i would like to take the work, If you are interested please let me know.