MSN & YAHOO VOICE CHAT NOT WORKING BEHIND ISA AND PIX

Dear all

my network is as follows

Client PCS connected to ISA which is connected to PIX which is connected to ADSL line

ISA is in firewall mode.

I am not able to yahoo messenger voice chat to other users and also msn voice chat from the clients out side the network.

But from inside if two users log on msn voice they chat nicely.

Can u advise whether i need to open ports in PIX or ISA how ever if  i bypassISA & PIX it works

Please adsvise asap any help is highly appreciated
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mivbinfotechAsked:
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crissandConnect With a Mentor Commented:
MS NetMeeting
TCP: LDAP or ULP, dyn >=1024, 1503, H.323 HostCall, MS ICCP
UDP: dyn >=1024

MSN Messenger:
TCP: 1863

Yahoo Messenger:
TCP: 5000-5001
UDP: 5000-5010

I hope is enough
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mivbinfotechAuthor Commented:
please ellaborate i m a complete newbie in ISA & PIX business

please ellaborate

thanx please tell me its inbound or outbound

thnx
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crissandCommented:
I can't do that, I don't know. Only the ports addresses I gave it to you. Maybe another expert can tell you how to do it on your specific environment. Anyway, you must be administrator of ISA server, at least.
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