Port 1503
TCP System Medium Usage
T.120 protocol port for multimedia conference data transmission
Software Using This Port (1 software)
Windows Live Messenger
Windows Live Messenger instant messaging
Usage Suggestions
- Before using port 1503, please confirm it is not occupied by other services
- If you encounter port conflicts, consider using other ports or stopping the occupying service
Quick Info
- Port
- 1503
- Protocol
- TCP
- Categories
- System
- Usage Status
- 1 software in use
Related Ports
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