SIP traffic between a Mitel IPBX and a sip server

L1 Bithead

SIP traffic between a Mitel IPBX and a sip server

HI,

 

We have a PA3020 and we are trying to create a trunksip between a Mitel IPBX and a SIP server and it doesn't work. 

I can't see the traffic in logs even if I create a rule to see it but I can see it if I do "Packet Capture", I see the REGISTER request from the IPBX but no answer from the SIP server. 

 

If I use NMAP from another machine and test SIP test :  nmap --script=sip-methods -sU -p 5060 XXX.XXX.XXX.XXX I can see it in logs on the PaloAlto. 

 

Does someone has any idea?

 

Thanks 

Frédéric Besse

Tags (2)
L4 Transporter

Re: SIP traffic between a Mitel IPBX and a sip server

Frédéric,

Is the security policy allowing the SIP traffic using the app-id of SIP? Or are you using port 5060 in the policy?

Have you tried disabling the SIP ALG? 

L1 Bithead

Re: SIP traffic between a Mitel IPBX and a sip server

I use app-id and finally even if I don't see all transaction between the IPBX and the trunksip I think that I can see the first transaction and not the following ones and if I don't record logs I see nothing. I have seen that because it finally works because the IP address changed on the Trunksip server, I don't understand why and our partner don't know why too....

I hope we don't see all SIP transaction because the IPBX and the Trunksip server are talking every minute about SIP Options and every XX minutes about REGISTER, so it could be very hard to log all those transactions.

 

I gonna close this discussion.

 

THX

  

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