IP Messenger Is On But unable see in other computer List

[gstal...@gmail.com]

Hi i'm using IP Messenger,

Its working perfect but i'm unable to see from other computers

Even i tried to re-install the Ip messenger

Sender & Receiver should communicate once then its working for whole a day, otherwise it is not appear to other user, 

Give me the proper solution for this 

Awaiting your reply.

[Hiroaki SHIROUZU]

Please confirm all PC's firewall settings.

And I recommend to use master mode.

https://ipmsg.org/help/ipmsghlp_eng.htm#master