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3cx v15.5.5 sends the local IP in SDP for TLS calls even if the client is not on same LAN. This was a bug in early v14 versions that was corrected but seems to have crept back in. Thanks.

The workaround I came up with was to provision a second extension on the receptionist's phone so she has two entries in the queue. Not pretty but it works for our situation. In v15 under the extension's Forwarding Rules there is now a check box for "Accept calls from Ring Groups" under each...

We are using IPSec on the router. (sonicwall, not my choice) So long as you QOS voice over the other traffic any vpn should work. It just takes careful configuration and testing to make sure you really are prioritizing the RTP. We do this over regular high speed internet and it works. If the...

What type of router are the phones behind. I saw this issue when we were testing remote STUN and suspected that it's related to the phones not using random source ports. Ended up scrapping the remote stun idea after much effort because of too many little issues. A properly configured VPN has...

3cx seems to think this is hard to implement and not worth their time. It's a crying shame. I am in the process of setup a freeswitch box to use as a TLS proxy between 3cx and Twilio. Completely unnecessary pain.

Yes I have the hard buttons configured that way. The problem is this a receptionist at one site should not see shared parks at another site on her 3cxphone. It causes unnecessary confusion. She ends up transferring the wrong calls. There should be a way to control this with Extensions Group...

We have nothing but headaches from sonicwalls. Their firmware is so buggy and every release adds more bugs. Currently looking into alternatives. I've noticed that 8.8.4.4 (or 8.8.8.8) does not like to be constantly pinged. It will stop responding to pings for awhile and then come back later. As...

Is there a way to limit who can see which Shared Parks in 3cxPhone? We have many sites and they each have their own SP. The receptionist at one site does not want to see calls in her client that were parked in another site. Extension Group rights work well for regular calls but I don't see an...

Have you tried the latest firmware from aastra's site? I believe it finally fixed the issue. 3cx no longer actively supports these phones but that firmware works ok for us.

There is documentation on Yealink support site but it's hit or miss. In this case your best bet would be to log into the phone interface get the BLF's setup on that particular phone then click over to the Settings>Configuration>Export CFG Configuration File and have a look at the changes you...

bump. This would be huge for eliminating STUN extension problems. I just created a thread on 3CX Ideas please vote if you agree! ipv6-support-for-remote-extensions-44823.html

Curious why you say STUN is limited to 2? Is that an official number, or your experience?

I followed your advise and turned off TLS and low and behold the BLF's work perfectly. That was the only change I made, simply changing the transport from TLS to UDP made them work. Same STUN, same routers etc. I'm wondering if the TLS code in 3cx requires more testing. I'm not sure where to go...

Great idea! Problem is TLS makes that difficult, I have had success with the wireshark's decryption but it's very finicky. I will try.. The phones are provisioned off the 3cx server. Firmware version is 36.80.0.95

Re: Allow multiple calls for Queue and Ring Group Exactly! Small and medium size business don't have "agents", they have receptionist, administrative assistants etc. They are the group who will benefit from this...

Thanks for your reply! We are on 14 sp3. The extensions are at remote sites as remote STUN extensions with TLS. Yes I have port 5060 and 5061 and 5000/5001 forwarded to 3CX. Router is Sonicwall and I have 1to1 nat setup on a separate public IP to avoid the port translation issue. All our IP's...

Yes latest firmware. I just tried with a regular BLF and same behavior. Please help!

We have t41p's setup as Remote STUN extensions they work great but the BLF Park lights do not show when park is in use. We can place calls on park and and pickup parked calls but the green lights don't change to red. Anyone have success getting BLF's to work on Yealink Remote STUN extensions...

Re: Allow multiple calls for Queue and Ring Group

Make sure you don't have extra columns. you will see this in notepad as commas at the end of the line. Also I always assign ID numbers to the rules in an arbitrary range (eg 500,501) above the current rules. 3cx will change them but they seem to need to be in the file anyway.