Re: [hylafax-users] ERR No receiver protocol (T.30 T1 timeout)

[Lee Howard <faxguy@xxxxxxxxxxxxxxxx>]

Jan Kalcic wrote:

> Aug 31 16:17:25.21: [ 6377]: <-- [18:ATX3DT00000000000\r]
> Aug 31 16:17:42.68: [ 6377]: --> [7:CONNECT]
> Aug 31 16:17:42.73: [ 6377]: --> [3:BE 10 03]
> Aug 31 16:17:42.73: [ 6377]: --> [5:ERROR]
> Aug 31 16:17:42.73: [ 6377]: MODEM Command error
> Aug 31 16:17:42.73: [ 6377]: FCS error
> Aug 31 16:17:42.73: [ 6377]: <-- [10:AT+FRS=21\r]
> Aug 31 16:18:12.73: [ 6377]: MODEM TIMEOUT: reading line from modem
> Aug 31 16:18:12.73: [ 6377]: MODEM <Timeout>
> Aug 31 16:18:12.73: [ 6377]: Failure to receive silence (synchronization
> failure). {E100}
> Aug 31 16:18:12.73: [ 6377]: <-- data [1]
> Aug 31 16:18:12.80: [ 6377]: --> [2:OK]
> Aug 31 16:18:12.80: [ 6377]: <-- [9:AT+FRS=7\r]
> Aug 31 16:18:12.92: [ 6377]: --> [2:OK]
> Aug 31 16:18:12.92: [ 6377]: <-- [9:AT+FRH=3\r]
> Aug 31 16:18:19.92: [ 6377]: --> [0:]
> Aug 31 16:18:19.92: [ 6377]: MODEM <Empty line>
> Aug 31 16:18:19.92: [ 6377]: MODEM TIMEOUT: waiting for v.21 carrier
> Aug 31 16:18:19.92: [ 6377]: <-- data [1]
> Aug 31 16:18:19.98: [ 6377]: --> [2:OK]

Well, from this we could wonder, perhaps, if the fax features on this 
modem even work at all.  Notice that AT+FRS=7 seems to go okay, but the 
AT+FRS=21 does not.  So the modem seems to support +FRS in some shape or 
form, but not well.

Let's start by disabling +FRS/+FTS altogether.  Please put this into 
your modem configuration file and try again:

 Class1PPMWaitCmd:       "<delay:7>"
 Class1TCFWaitCmd:       "<delay:7>"
 Class1EOPWaitCmd:       "<delay:9>"
 Class1SwitchingCmd:     "<delay:7>"

Then send the resulting session log.

Thanks,

Lee.


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