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Registering SIP trunk with TLS

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Spencer Chance

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So according to an email I had with 3CX, TLS is now supported on SIP trunks. I was informed that the SIP provider must support SIPs SRV records and that I must be on v15.5 Sp6 to do so. We are using Flowroute, who supports this and are on v15.5 Sp6.

What I find interesting is that I can set the routes in Flowroute to send with TLS, and incoming calls with 3CX will still work. It is as soon as I attempt to set the SIP trunk to use port 5061 in 3CX that the trunk fails to register. I know the PoPs in Flowroute support traffic to 5061, because I checked the port using telnet.

I currently have a ticket open with Flowroute about it and am waiting to hear back.

In the meantime, i'm not sure where to go with this -- does anyone else have experience with this?
 
SIP TLS for SIP Trunks is not quite ready yet. There has been a lot of work done on the back-end, but you still can't set the TLS information in the Provider settings, which would be required.
 
SIP TLS for SIP Trunks is not quite ready yet. There has been a lot of work done on the back-end, but you still can't set the TLS information in the Provider settings, which would be required.
Ah, okay. Well, from the looks and sound of it, i guess and hope that this is available in the near future. Thanks for letting me know -- we are all very excited for this implementation.
 
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We are certainly on top of it and are hoping to get it out to you guys asap! You'll hear about it in the release/features notes when it is included.
 
Excellent! I'm excited to see this functionality being worked on and hopefully released this year.
 
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