SIP Protocol for Cross-Device Sync

The objective of this project involves the implementation and modification of an open SIP protocol to enable data synchronization between mobile devices and computers. The successful freelancer should possess:

- A comprehensive understanding and experience with SIP protocols
- Ability to implement and customize existing protocols for specific needs
- Proficient in facilitating cross-device connections, specifically between mobile devices and computers
- Familiarity with data synchronization methods and applications

By the end of this project, we aim to have seamless data synchronization between the devices in question. As such, creative problem-solving skills and a keen attention to detail will be invaluable.