Error : {% firstof error.call_info error.fax_info "unknown error" %}

Caller ID	{% firstof caller_id.name fax.remote_station_id caller_id.number "unknown number" %} ({% firstof fax.remote_station_id caller_id.number "unknown number" %})
Callee ID	{{to.user}} (originally dialed number)
Call received	{% firstof fax.timestamp\|date:"l, F j, Y \\a\\t H:i" date_called\|date:"l, F j, Y \\a\\t H:i"%}