I need a dial-in server.
ROS 3.22
My modem is "3COM U.S. Robotics 56k Faxmodem" conected to serial port 1 (COM1)

/ port
set serial0 name="serial0" baud-rate=57600 data-bits=8 parity=none stop-bits=1 \
flow-control=hardware
set serial1 name="serial1" baud-rate=38400 data-bits=8 parity=none stop-bits=1 \
flow-control=hardware

/ interface ppp-server
add name="ppp-in1" max-mtu=1500 max-mru=1500 port=serial1 \
authentication=pap,chap,mschap1,mschap2 profile=Dial_In modem-init="" \
ring-count=1 null-modem=no disabled=no

interface ppp-server> monitor 0
status: "reseting modem..."

status: "reseting modem..."

status: "reseting modem..."


In the log window:
serial1 sent ATH
serial1 sent +++

Modem is not respoding.
What is the problem?

10x in advance

update to the latest version and check

update to the latest version and check

updated already

same result.