Differences using various telephones, Analog telephones (pulse dial and dtmf), Analog t-net-telephones – Auerswald 2206 USB User Manual

Page 9: Isdn telephones, System telephones, Chapter analog t-net, Chapter isdn telephones, B 7 q 97 0, B 7 q 71 # f

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Differences using various telephones, Analog telephones (pulse dial and dtmf), Analog t-net-telephones | Isdn telephones, System telephones, Chapter analog t-net, Chapter isdn telephones, B 7 q 97 0, B 7 q 71 # f | Auerswald 2206 USB User Manual | Page 9 / 76