4 ms·
GSM yes, but once phones went digital that capability was lost.
by freeone3000 6y ago
GSM yes, but once phones went digital that capability was lost.
- gumby 6y agoGSM phones are digital and include a special FAX mode.
- ciceryadam 6y agoOne of my previous employees had a Kofax server with 6 ISDN lines for faxing. D in ISDN stands for Digital.