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kyithuaung2023
Explorer

can't hear voice when microsoft team to cisco phone throught check point firewall.

Dear All,

I have an issues that is I can't hear voice when I call Microsoft team to cisco phone (there is sip, cucm server) through to firewall. Do you have any solutions or similar case. I got microsoft team requested some changes that is disable to SIP ALG. I already disabled and updated latest hot fix version in check point (HOTFIX_R81_10_JUMBO_HF_MAIN Take: 110). 

My issue is following as;

          Cisco Phone to Cisco Phone - OK

          Cisco phone to Microsoft team - OK

          Miscrosoft Team to Cisco Phone - can reachable , ringing and pick up but can't hear.

Could you please any solutions and suggestions help for me?

 

 

Thanks and Regards,

Kyi Thu Aung

kyithuaung007@gmail.com

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4 Replies
G_W_Albrecht
Legend
Legend

What can you see in the logs - are packets from that VoIP traffic dropped and for which reason ?

CCSE CCTE CCSM SMB Specialist
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kyithuaung2023
Explorer

Dear G_W_Albrecht,

I didn't see any drop VoIP traffic drooped in log. I have

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G_W_Albrecht
Legend
Legend

Did you go thru sk95369: ATRG: VoIP already ? Contact TAC for debugs - hard to find the reason if there are no drops in Logs...

CCSE CCTE CCSM SMB Specialist
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Chris_Atkinson
Employee Employee
Employee

Are affected clients connected on the LAN or Remote Access VPN etc?

CCSM R77/R80/ELITE
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