COMmander 6000/R/RX - Firmware V7.0D - Advanced Information V19 04/2018
505
Settings – Public switched tel. networks
Voice over IP (VoIP)
T.38 (procedures for real-time Group 3 facsimile communication over
IP networks) enables smooth, extensive fax transmission to take place.
Note:
If problems occur when T.38 is switched on, you can change the
setting used to negotiate the fax protocol (
T.38 negotiation
).
Compliant to RFC
Two separate media lines for disabling audio and negotiating the fax
protocol.
Variant 1
Only one media line for negotiating the fax protocol (the media line for
disabling audio is not used).