error.connection.{protocol}.{nnn}

This event is thrown by the telephony integration implementation when an error does not fall into one of the VoiceXML standard categories.

For example, if an unknown SIP error occurs during a telephony transfer:

TIME=20221116090054879|CHAN=0a035d3a_00000bb5_6374ed0d_0015_0001|EVNT=TRANSFER_STATUS|VALU=error.connection.sip.409|UCPU=39|SCPU=0
TIME=20221116090054881|CHAN=0a035d3a_00000bb5_6374ed0d_0015_0001|EVNT=VXML_EVENT|VALU=error.connection.sip.409|UCPU=38|SCPU=0