Does anybody have an overview of which countries support which (of the two) versions of Caller-ID. Version 1: Like US: between first and second ring Version 2: Like ETSI: before first ring, but after line voltage polarity change
Best regards, Rene
Does anybody have an overview of which countries support which (of the two) versions of Caller-ID. Version 1: Like US: between first and second ring Version 2: Like ETSI: before first ring, but after line voltage polarity change
Best regards, Rene