sips

  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. 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...
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