videx

  1. 2G EE call to 3CX DDIs - unreliable DTMF

    Hello, We have recently got an issue where a 2G EE SIM in an intercom will not always respond to DTMF inputs. This has been working reliably for several years. The Videx intercom with a 2G EE SIM called a 3CX DDI and the called party can press 3 to open the door. The voice quality is fine...
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