inband

  1. Solved DTMF issue in v18

    Hello, Following this thread https://www.3cx.com/community/threads/problems-with-dtmf-door-phones-use-rfc2833-provider-uses-inband.80787/ we have upgraded our 3cx (Enterprise Annual license) to v18 (Build 1880). Our SIP provider is Vodafone (Greece) and they only accept DTMF as inband. I have...
    • George Ts
    • Thread
    • dtmf inband rfc2833
    • Replies: 17
    • Forum: Other

  2. Problems with DTMF - door phones use RFC2833, provider uses inband

    Hello, Ever since we migrated to 3cx we are having issues with DTMF. Our door phone is using RFC2833 in order to accept incoming DTMFs, so that local extensions can open the door by pressing a DTMF sequence. However, our provider is using inband. We have thus configured our local extensions to...
    • George Ts
    • Thread
    • dtmf inband rfc2833
    • Replies: 5
    • Forum: Other
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