Specifies the lowest over-the-wire speed that is acceptable when sending a fax, in bits per second.
Use a single command string. For example,
HKR, Fax, LowestSendSpeed,,
A value of zero indicates "use the negotiated settings." The default value is zero. The protocol engine uses this setting when determining whether to continue transmission at a lower speed after transmission errors (after receiving FTT, RTP, etc).
Class 1-Specific Settings