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How to secure SIP trunk between DMA and Asterisk PBX

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Occasional Contributor

How to secure SIP trunk between DMA and Asterisk PBX

Dear community,

 

We use following architecture of Clariti : 2x RPCS1800 8.7.3, RM 8.3 VE, DMA 6.3 VE, Real Connect integration with MS Lync2013

I try to encrypt SIP trunk between DMA and Asterisk PBX (all incoming calls from the PBX)

Most prefered is SRTP.

Wthout encryption audiocalls are fine.

When I enable secure mode od DMA, all audio cals immediately are dropped on IVR (i can't hear any annoucement).

Other participants as H.323 endpoints work fine.

 

When I analyze logs from Asterisk, I see that RPCS 1800 still try to connect to the PBX on 5060 without encryption

SRTP on Asterisk is enable

 

Do you have any suggestion whan can be wrong?

I attached screens from the affected call

 

thank you in advance

Michal

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1 REPLY 1
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Polycom Employee & Community Manager

Re: How to secure SIP trunk between DMA and Asterisk PBX

Hello Michal,

welcome back to the Polycom Community.

 

Did you ever solve your original issue => here <= ?

How is your Asterisk connected ?

 

To the DMA or to the RMX ?

 

Please provide as much details as you can.


Please ensure to provide some feedback if this reply has helped you so other users can profit from your experience.

Best Regards

Steffen Baier

Polycom Global Services

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