distinctive_ring_tones.alert_info.1.text = ivr
distinctive_ring_tones.alert_info.1.ringer = 7
distinctive_ring_tones.alert_info.2.text = external
distinctive_ring_tones.alert_info.2.ringer = 2
Founded in 2005, when VoIP was an emerging technology, 3CX has gone on to establish itself as a global leader in business communications.