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huyvta
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Created on ‎11-12-2015 07:08 PM

SIP in nat voice configuration problem

Dear all,

 

I have a fortinet firewall:FortiGate 110C ; Firmware Version v4.0,build0313,110301 (MR2 Patch 4) I am working in NAT voice configuration (topo in file I attached)

Registration of IP Phone ext: 1708 with CUCM is ok but when check on CUCM, I saw IP LAN of IP Phone ext 1708 - 172.16.0.116.

Although I did NAT 1:1 on firewall forigate 110C and open the policy any 2 way. I expect see IP NAT (10.a.b.244) of IP Phone ext 1708 on my CUCM at headquarter site. Please help me urgent!

 

Warm Regards,

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