secure

  1. Updated: Template Support for Yealink T4x SIP over TLS & SRTP using Remote STUN

    Previous Thread: https://www.3cx.com/community/threads/template-support-for-yealink-t4x-sip-over-tls-srtp-using-remote-stun.74747/ Update: Due to COVID-19 many of our employees are working from their home offices where it'd be impractical to deploy an SBC. The best solution is "Direct SIP (STUN...
    • ltctech
    • Thread
    • encryption remote secure sips srtp stun template tls yealink
    • Replies: 1
    • Forum: Yealink

  2. Template Support for Yealink T4x SIP over TLS & SRTP using Remote STUN

    Due to COVID-19 many of our employees are working from their home offices where it'd be impractical to deploy an SBC. The best solution is "Direct SIP (STUN Remote)". The catch is that all SIP signaling and RTP audio is sent in the clear for anyone to intercept. It's trivial to create a custom...
    • ltctech
    • Thread
    • encryption remote secure sips srtp stun template tls yealink
    • Replies: 5
    • Forum: Phone System / PBX

  3. howto Enable TLS to sip trunk to SIP provider

    I read several posts about enabling TLS on the Sip trunk. I find this setting only for my end users, NOT for the connection TO my TO my SIP provider, i am unable to find such a setting. However i feel unsafe sending my UID/pwd of my SIP account over the internet when using standard SIP port 5060...

  4. Registering SIP trunk with TLS

    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...

  5. Multiple 3cx android app 'Only Secure' doesn't work

    I have set up certificate for secure encrypted calls.My aim is secure encrypted calls between bunch of extensions.The 3cx android if set to only secure in one end and allow secure in other it works fine but if I set allow secure in both the android clients call fails,as I wanted a bunch of...

  6. How to limit access to management console to LAN only

    In order to access 3CX PBX from my mobile phone 3CX softphone I have opened up port 5001 (among other) on my router/firewall. However, this also opens up the management console to the evils of the internet (logon screen is displayed when accessing https://3cxFQDN:5001 from any device). How can...
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