VOS3000 Switch Firewall rules
If you are running you VOS3000 server behind the firewall then you need to allow the following ports on your firewall.
tcp port:
vos-client: 1202
web: 8080
H323: 1719 1720 3719 3720
H245: 10000-39999
UDP port:
SIP:5060, 5070(RC4) and addition you added
RTP: 10000-39999