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  1. DTMF Issues

    So I contacted my SIP supplier and they said they have other 3cx PBX systems in the field and i need to look at the dtmf settings on the pbx. their response was I also tested ad his 3CX isnt responding to any selections, there is nothing we can do about this, the pbx is not accepting the...
  2. DTMF Issues

    ok so here is everything I have done and my results. Called in on sip Trunk. IVR does not recognize DTMF tones. Called in on sip trunk. Ext 100 (reception phone) does not sound dtmf tones from sip. Call ext 900 from an ext 100, DTMF tones are sounded. Register Account on microsip Called in on...