Version of smsd: 3.1.14
Smsd installed from: sources
Name and model of a modem / phone: WAVECOM Fastrack Xtend GPRS
Interface: serial
This WAVECOM unit had all kinds of trouble when used with a USB link, so a serial cable has now been in use for a few weeks. However, the unit still hangs seemingly at random after prolonged use.
The log file always reports the same thing:
-> AT
Command is sent, waiting for the answer
put_command expected (OK)|(ERROR), timeout occurred
<-
At this point, restarting sms3 to reset the modem doesn't work. The unit remains completely mute until power cycled. The problem will repeat itself every 2 or 3 days.
Here's the config. send_handshake_select used to be "no" because it made the USB link a bit more stable. It doesn't seem to affect how often the device hangs when connected via serial.
devices = GSM1
logfile = /var/log/smsd.log
loglevel = 4
smart_logging = yes
stats = /var/spool/sms/stats
store_received_pdu = 3
hangup_incoming_call = yes
voicecall_hangup_ath = yes
datetime_format = %Y-%m-%d %H:%M:%S
alarmhandler = /usr/local/bin/alarmhandler
eventhandler = /usr/local/bin/eventhandler
regular_run = /usr/local/bin/regular_run
regular_run_interval = 60
[GSM1]
device = /dev/ttyS0
baudrate = 115200
rtscts = yes
init = AT+CNMI=1,0,0,2,0
#send_handshake_select = no # this tweak was for ttyACM0, testing without
primary_memory = SM
secondary_memory = SR
report_device_details = yes
incoming = yes
mode = new
smsc = 358451100100
pin = **** # removed
cs_convert = yes
report = yes
logfile = /var/log/smsd.log
loglevel = 4
smart_logging = yes
stats = /var/spool/sms/stats
store_received_pdu = 3
hangup_incoming_call = yes
voicecall_hangup_ath = yes
datetime_format = %Y-%m-%d %H:%M:%S
alarmhandler = /usr/local/bin/alarmhandler
eventhandler = /usr/local/bin/eventhandler
regular_run = /usr/local/bin/regular_run
regular_run_interval = 60
[GSM1]
device = /dev/ttyS0
baudrate = 115200
rtscts = yes
init = AT+CNMI=1,0,0,2,0
#send_handshake_select = no # this tweak was for ttyACM0, testing without
primary_memory = SM
secondary_memory = SR
report_device_details = yes
incoming = yes
mode = new
smsc = 358451100100
pin = **** # removed
cs_convert = yes
report = yes
Elsewhere on the site it was suggested that an unstable power supply can cause unexplained behaviour. However, this unit is powered through a heavy duty Fiskars UPS and the supplied power brick.