[hylafax-users] AW: Frequent transmission breakdowns HF4.1 undHF4.1b3

[Peter Bauer <p.bauer@itserv-gmbh.com>]

At 11:49 PM 7/17/01 +0200, Peter Bauer wrote:
...
>Any idea what I can look for to trace back the problem? Here is a
>typical transmisson log:
...
>Jul 17 22:47:53.37: [ 5961]: SEND end page
>Jul 17 22:48:29.07: [ 5961]: --> [2:OK]
>Jul 17 22:48:29.07: [ 5961]: DELAY 95 ms

This delay is now known as Class1SendEOPDelay in CVS, and according to T.30
should only be 75 ms, but for empirical experience it has been hard-coded
to 95 ms in 4.1-release.  In my experience, this is still too little, and
Class1SendEOPDelay has a default in CVS of 200 ms.

[Peter Bauer]  
I really wonder about the fax protocol. I understand that the fax server must
send a END-OF-PAGE, but I would expect that the fax receiver had to commit
that the page is being printed/stored/whatever. I have the feeling that
hylafax sends a EOP, but doesnt wait long enough for the page to be printed.
If I estimate the time it would take to fulfill the fax transmission, It would
take a minute or so to transfer the image (estimation based on the speed the
fax is printed and how long the sent page is).
Or - in other words - the EOP is sent when only two centimeters of the image
is transmitted. I doubt that my old fax machine had enough memory to buffer 
all the rest of the image.


>Jul 17 22:48:29.17: [ 5961]: SEND send EOP (no more pages or documents)
>Jul 17 22:48:29.17: [ 5961]: <-- [9:AT+FTH=3\r]
>Jul 17 22:48:29.20: [ 5961]: --> [7:CONNECT]
>Jul 17 22:48:29.20: [ 5961]: <-- data [3]
>Jul 17 22:48:29.20: [ 5961]: <-- data [2]
>Jul 17 22:48:30.47: [ 5961]: --> [2:OK]
>Jul 17 22:48:30.47: [ 5961]: <-- [9:AT+FRH=3\r]
>Jul 17 22:48:33.58: [ 5961]: --> [0:]
>Jul 17 22:48:33.58: [ 5961]: MODEM <Empty line>

Exactly the behavior I experienced before Class1SendEOPDelay, execpt yours
seems to be much more tragic than mine, since in my case the retries
succeeded.  I'd recommend trying CVS, or applying the last patch on:

http://bugs.hylafax.org/bugzilla/show_bug.cgi?id=152

[Peter Bauer]  
I will try so...

...
>Also strange: when I fax another document to myself, the fax machine
>displays an transmission error, but does not hang up. Then, hylafax
>resends the page, fails again, and the cycle starts again (up to 
>three times).

Could you send the log to this, please?

[Peter Bauer]  
sure. Again, i received three pages in one fax transmisson (without
having the line hung up between the pages.

--------------------------- SNIP --------------------------------------
Jul 18 06:45:36.03: [12852]: SESSION BEGIN 00000017 4970032
Jul 18 06:45:36.03: [12852]: HylaFAX (tm) Version 4.1
Jul 18 06:45:36.03: [12852]: SEND FAX: JOB 12 DEST 32 COMMID 00000017
Jul 18 06:45:36.03: [12852]: DEVICE '/dev/cua/b'
Jul 18 06:45:36.03: [12852]: DELAY 75 ms
Jul 18 06:45:36.11: [12852]: DELAY 2600 ms
Jul 18 06:45:38.72: [12852]: <-- [4:ATZ\r]
Jul 18 06:45:40.86: [12852]: --> [2:OK]
Jul 18 06:45:40.86: [12852]: <-- [5:ATE0\r]
Jul 18 06:45:41.00: [12852]: --> [4:ATE0]
Jul 18 06:45:41.01: [12852]: --> [2:OK]
Jul 18 06:45:41.01: [12852]: <-- [5:ATV1\r]
Jul 18 06:45:41.14: [12852]: --> [2:OK]
Jul 18 06:45:41.14: [12852]: <-- [5:ATQ0\r]
Jul 18 06:45:41.28: [12852]: --> [2:OK]
Jul 18 06:45:41.28: [12852]: <-- [7:ATS0=0\r]
Jul 18 06:45:41.42: [12852]: --> [2:OK]
Jul 18 06:45:41.42: [12852]: <-- [7:ATS8=2\r]
Jul 18 06:45:41.56: [12852]: --> [2:OK]
Jul 18 06:45:41.56: [12852]: <-- [8:ATS7=60\r]
Jul 18 06:45:41.70: [12852]: --> [2:OK]
Jul 18 06:45:41.70: [12852]: <-- [6:AT&K3\r]
Jul 18 06:45:41.84: [12852]: --> [2:OK]
Jul 18 06:45:41.84: [12852]: <-- [6:AT&D3\r]
Jul 18 06:45:41.98: [12852]: --> [2:OK]
Jul 18 06:45:41.98: [12852]: <-- [6:AT&C1\r]
Jul 18 06:45:42.12: [12852]: --> [2:OK]
Jul 18 06:45:42.12: [12852]: <-- [12:AT+FCLASS=1\r]
Jul 18 06:45:42.26: [12852]: --> [2:OK]
Jul 18 06:45:42.26: [12852]: <-- [9:AT+FAA=0\r]
Jul 18 06:45:42.27: [12852]: --> [2:OK]
Jul 18 06:45:42.27: [12852]: <-- [5:ATM0\r]
Jul 18 06:45:42.27: [12852]: --> [2:OK]
Jul 18 06:45:42.27: [12852]: <-- [12:AT+FCLASS=1\r]
Jul 18 06:45:42.37: [12852]: --> [2:OK]
Jul 18 06:45:42.37: [12852]: DIAL 32
Jul 18 06:45:42.37: [12852]: <-- [9:ATX3DT32\r]
Jul 18 06:46:00.91: [12852]: --> [7:CONNECT]
Jul 18 06:46:02.71: [12852]: --> [2:OK]
Jul 18 06:46:02.71: [12852]: REMOTE NSF "00 00 11 90 00 85 57 10 49 54 53 45 52 56 20 47 4D 42 48 20 20 20 20 20 01 0C 01 0A 00 2C 00 80 91 80 02 01 01 4A"
Jul 18 06:46:02.71: [12852]: NSF remote fax equipment: Canon 
Jul 18 06:46:02.71: [12852]: NSF remote station ID: "ITSERV GMBH     "
Jul 18 06:46:02.71: [12852]: <-- [9:AT+FRH=3\r]
Jul 18 06:46:02.72: [12852]: --> [7:CONNECT]
Jul 18 06:46:03.41: [12852]: --> [2:OK]
Jul 18 06:46:03.41: [12852]: REMOTE CSI "+49 700 487378329"
Jul 18 06:46:03.41: [12852]: <-- [9:AT+FRH=3\r]
Jul 18 06:46:03.42: [12852]: --> [7:CONNECT]
Jul 18 06:46:03.67: [12852]: --> [2:OK]
Jul 18 06:46:03.67: [12852]: REMOTE best rate 9600 bit/s
Jul 18 06:46:03.67: [12852]: REMOTE max page width 1728 pixels in 215 mm
Jul 18 06:46:03.67: [12852]: REMOTE max unlimited page length 
Jul 18 06:46:03.67: [12852]: REMOTE best vres 7.7 line/mm
Jul 18 06:46:03.67: [12852]: REMOTE best format 2-D MR
Jul 18 06:46:03.67: [12852]: REMOTE supports T.30 Annex A, ECM
Jul 18 06:46:03.67: [12852]: REMOTE best 10 ms, 5 ms/scanline
Jul 18 06:46:03.67: [12852]: USE 9600 bit/s
Jul 18 06:46:03.67: [12852]: USE 10 ms, 5 ms/scanline
Jul 18 06:46:03.67: [12852]: SEND file "docq/doc13.ps;40"
Jul 18 06:46:03.67: [12852]: USE page width 1728 pixels in 215 mm
Jul 18 06:46:03.67: [12852]: USE unlimited page length 
Jul 18 06:46:03.67: [12852]: USE 3.85 line/mm
Jul 18 06:46:03.67: [12852]: USE 2-D MR
Jul 18 06:46:03.68: [12852]: SEND training at v.29 9600 bit/s
Jul 18 06:46:03.68: [12852]: <-- [9:AT+FTH=3\r]
Jul 18 06:46:03.72: [12852]: --> [7:CONNECT]
Jul 18 06:46:03.72: [12852]: <-- data [23]
Jul 18 06:46:03.72: [12852]: <-- data [2]
Jul 18 06:46:05.44: [12852]: --> [7:CONNECT]
Jul 18 06:46:05.44: [12852]: <-- data [6]
Jul 18 06:46:05.44: [12852]: <-- data [2]
Jul 18 06:46:05.82: [12852]: --> [2:OK]
Jul 18 06:46:05.82: [12852]: DELAY 75 ms
Jul 18 06:46:05.90: [12852]: <-- [10:AT+FTM=96\r]
Jul 18 06:46:05.93: [12852]: --> [7:CONNECT]
Jul 18 06:46:05.93: [12852]: <-- data [1024]
Jul 18 06:46:05.93: [12852]: <-- data [776]
Jul 18 06:46:05.93: [12852]: <-- data [2]
Jul 18 06:46:07.92: [12852]: --> [2:OK]
Jul 18 06:46:07.92: [12852]: <-- [9:AT+FRH=3\r]
Jul 18 06:46:08.34: [12852]: --> [7:CONNECT]
Jul 18 06:46:09.28: [12852]: --> [2:OK]
Jul 18 06:46:09.28: [12852]: TRAINING succeeded
Jul 18 06:46:09.28: [12852]: <-- [10:AT+FTM=96\r]
Jul 18 06:46:09.31: [12852]: --> [7:CONNECT]
Jul 18 06:46:09.31: [12852]: SEND begin page
Jul 18 06:46:09.31: [12852]: <-- data [1026]
Jul 18 06:46:09.31: [12852]: <-- data [1024]
Jul 18 06:46:09.31: [12852]: <-- data [1024]
Jul 18 06:46:09.31: [12852]: <-- data [1024]
Jul 18 06:46:09.31: [12852]: <-- data [1024]
Jul 18 06:46:09.31: [12852]: <-- data [1030]
Jul 18 06:46:09.31: [12852]: <-- data [1047]
Jul 18 06:46:09.31: [12852]: <-- data [1038]
Jul 18 06:46:09.31: [12852]: <-- data [1037]
Jul 18 06:46:09.31: [12852]: <-- data [1048]
Jul 18 06:46:09.31: [12852]: <-- data [1054]
Jul 18 06:46:09.31: [12852]: <-- data [1054]
Jul 18 06:46:09.31: [12852]: <-- data [1059]
Jul 18 06:46:09.31: [12852]: <-- data [436]
Jul 18 06:46:09.31: [12852]: SENT 13735 bytes of data
Jul 18 06:46:09.31: [12852]: <-- data [1051]
Jul 18 06:46:09.31: [12852]: <-- data [1049]
Jul 18 06:46:09.31: [12852]: <-- data [1048]
Jul 18 06:46:09.31: [12852]: <-- data [1051]
Jul 18 06:46:09.31: [12852]: <-- data [1057]
Jul 18 06:46:09.31: [12852]: <-- data [1054]
Jul 18 06:46:09.32: [12852]: <-- data [1042]
Jul 18 06:46:09.32: [12852]: <-- data [1031]
Jul 18 06:46:09.32: [12852]: <-- data [1024]
Jul 18 06:46:09.32: [12852]: <-- data [1024]
Jul 18 06:46:09.32: [12852]: <-- data [495]
Jul 18 06:46:09.32: [12852]: SENT 10735 bytes of data
Jul 18 06:46:09.32: [12852]: SEND 2D RTC
Jul 18 06:46:09.32: [12852]: <-- data [30]
Jul 18 06:46:09.32: [12852]: <-- data [2]
Jul 18 06:46:09.32: [12852]: SEND end page
Jul 18 06:46:29.45: [12852]: --> [2:OK]
Jul 18 06:46:29.45: [12852]: DELAY 95 ms
Jul 18 06:46:29.55: [12852]: SEND send EOP (no more pages or documents)
Jul 18 06:46:29.55: [12852]: <-- [9:AT+FTH=3\r]
Jul 18 06:46:29.58: [12852]: --> [7:CONNECT]
Jul 18 06:46:29.58: [12852]: <-- data [3]
Jul 18 06:46:29.58: [12852]: <-- data [2]
Jul 18 06:46:30.85: [12852]: --> [2:OK]
Jul 18 06:46:30.85: [12852]: <-- [9:AT+FRH=3\r]
Jul 18 06:46:31.33: [12852]: --> [7:CONNECT]
Jul 18 06:46:32.30: [12852]: --> [2:OK]
Jul 18 06:46:32.30: [12852]: SEND recv RTN (retrain negative)
Jul 18 06:46:32.30: [12852]: SEND training at v.29 7200 bit/s
Jul 18 06:46:32.30: [12852]: <-- [9:AT+FTH=3\r]
Jul 18 06:46:32.34: [12852]: --> [7:CONNECT]
Jul 18 06:46:32.35: [12852]: <-- data [23]
Jul 18 06:46:32.35: [12852]: <-- data [2]
Jul 18 06:46:34.08: [12852]: --> [7:CONNECT]
Jul 18 06:46:34.08: [12852]: <-- data [6]
Jul 18 06:46:34.08: [12852]: <-- data [2]
Jul 18 06:46:34.45: [12852]: --> [2:OK]
Jul 18 06:46:34.45: [12852]: DELAY 75 ms
Jul 18 06:46:34.53: [12852]: <-- [10:AT+FTM=72\r]
Jul 18 06:46:34.56: [12852]: --> [7:CONNECT]
Jul 18 06:46:34.56: [12852]: <-- data [1024]
Jul 18 06:46:34.56: [12852]: <-- data [326]
Jul 18 06:46:34.56: [12852]: <-- data [2]
Jul 18 06:46:36.54: [12852]: --> [2:OK]
Jul 18 06:46:36.54: [12852]: <-- [9:AT+FRH=3\r]
Jul 18 06:46:36.93: [12852]: --> [7:CONNECT]
Jul 18 06:46:38.01: [12852]: --> ...+DLE+ETX
Jul 18 06:46:38.01: [12852]: --> [10:NO CARRIER]
Jul 18 06:46:38.01: [12852]: MODEM No carrier
Jul 18 06:46:38.01: [12852]: DELAY 1500 ms
Jul 18 06:46:39.52: [12852]: SEND training at v.27ter 4800 bit/s
Jul 18 06:46:39.52: [12852]: <-- [9:AT+FTH=3\r]
Jul 18 06:46:39.57: [12852]: --> [7:CONNECT]
Jul 18 06:46:39.57: [12852]: <-- data [23]
Jul 18 06:46:39.57: [12852]: <-- data [2]
Jul 18 06:46:41.30: [12852]: --> [7:CONNECT]
Jul 18 06:46:41.30: [12852]: <-- data [6]
Jul 18 06:46:41.30: [12852]: <-- data [2]
Jul 18 06:46:41.67: [12852]: --> [2:OK]
Jul 18 06:46:41.67: [12852]: DELAY 75 ms
Jul 18 06:46:41.75: [12852]: <-- [10:AT+FTM=48\r]
Jul 18 06:46:41.80: [12852]: --> [7:CONNECT]
Jul 18 06:46:41.80: [12852]: <-- data [900]
Jul 18 06:46:41.80: [12852]: <-- data [2]
Jul 18 06:46:44.27: [12852]: --> [2:OK]
Jul 18 06:46:44.27: [12852]: <-- [9:AT+FRH=3\r]
Jul 18 06:46:44.67: [12852]: --> [7:CONNECT]
Jul 18 06:46:45.64: [12852]: --> [2:OK]
Jul 18 06:46:45.64: [12852]: TRAINING succeeded
Jul 18 06:46:45.64: [12852]: <-- [10:AT+FTM=48\r]
Jul 18 06:46:45.69: [12852]: --> [7:CONNECT]
Jul 18 06:46:45.69: [12852]: SEND begin page
Jul 18 06:46:45.69: [12852]: <-- data [1026]
Jul 18 06:46:45.69: [12852]: <-- data [1024]
Jul 18 06:46:45.69: [12852]: <-- data [1024]
Jul 18 06:46:45.69: [12852]: <-- data [1034]
Jul 18 06:46:45.69: [12852]: <-- data [1045]
Jul 18 06:46:45.69: [12852]: <-- data [1039]
Jul 18 06:46:45.69: [12852]: <-- data [692]
Jul 18 06:46:45.69: [12852]: SENT 6829 bytes of data
Jul 18 06:46:45.69: [12852]: <-- data [1050]
Jul 18 06:46:45.69: [12852]: <-- data [1053]
Jul 18 06:46:45.70: [12852]: <-- data [1053]
Jul 18 06:46:45.70: [12852]: <-- data [1060]
Jul 18 06:46:45.70: [12852]: <-- data [1052]
Jul 18 06:46:45.70: [12852]: <-- data [1051]
Jul 18 06:46:45.70: [12852]: <-- data [725]
Jul 18 06:46:45.70: [12852]: SENT 6853 bytes of data
Jul 18 06:46:45.70: [12852]: <-- data [1048]
Jul 18 06:46:45.70: [12852]: <-- data [1055]
Jul 18 06:46:45.70: [12852]: <-- data [1054]
Jul 18 06:46:45.70: [12852]: <-- data [1056]
Jul 18 06:46:45.70: [12852]: <-- data [1038]
Jul 18 06:46:45.70: [12852]: <-- data [1028]
Jul 18 06:46:45.70: [12852]: <-- data [726]
Jul 18 06:46:45.70: [12852]: SENT 6870 bytes of data
Jul 18 06:46:45.70: [12852]: <-- data [252]
Jul 18 06:46:45.70: [12852]: SENT 252 bytes of data
Jul 18 06:46:45.70: [12852]: SEND 2D RTC
Jul 18 06:46:45.70: [12852]: <-- data [30]
Jul 18 06:46:45.70: [12852]: <-- data [2]
Jul 18 06:46:45.70: [12852]: SEND end page
Jul 18 06:47:18.52: [12852]: --> [2:OK]
Jul 18 06:47:18.52: [12852]: DELAY 95 ms
Jul 18 06:47:18.62: [12852]: SEND send EOP (no more pages or documents)
Jul 18 06:47:18.62: [12852]: <-- [9:AT+FTH=3\r]
Jul 18 06:47:18.65: [12852]: --> [7:CONNECT]
Jul 18 06:47:18.65: [12852]: <-- data [3]
Jul 18 06:47:18.65: [12852]: <-- data [2]
Jul 18 06:47:19.92: [12852]: --> [2:OK]
Jul 18 06:47:19.92: [12852]: <-- [9:AT+FRH=3\r]
Jul 18 06:47:23.02: [12852]: --> [0:]
Jul 18 06:47:23.02: [12852]: MODEM <Empty line>
Jul 18 06:47:23.02: [12852]: <-- data [1]
Jul 18 06:47:23.02: [12852]: --> [2:OK]
Jul 18 06:47:23.02: [12852]: SEND send EOP (no more pages or documents)
Jul 18 06:47:23.02: [12852]: <-- [9:AT+FTH=3\r]
Jul 18 06:47:23.07: [12852]: --> [7:CONNECT]
Jul 18 06:47:23.07: [12852]: <-- data [3]
Jul 18 06:47:23.07: [12852]: <-- data [2]
Jul 18 06:47:24.34: [12852]: --> [2:OK]
Jul 18 06:47:24.34: [12852]: <-- [9:AT+FRH=3\r]
Jul 18 06:47:24.83: [12852]: --> [7:CONNECT]
Jul 18 06:47:25.79: [12852]: --> [2:OK]
Jul 18 06:47:25.79: [12852]: SEND recv RTN (retrain negative)
Jul 18 06:47:25.79: [12852]: SEND training at v.27ter fallback mode 2400 bit/s
Jul 18 06:47:25.79: [12852]: <-- [9:AT+FTH=3\r]
Jul 18 06:47:25.84: [12852]: --> [7:CONNECT]
Jul 18 06:47:25.84: [12852]: <-- data [23]
Jul 18 06:47:25.84: [12852]: <-- data [2]
Jul 18 06:47:27.57: [12852]: --> [7:CONNECT]
Jul 18 06:47:27.57: [12852]: <-- data [6]
Jul 18 06:47:27.57: [12852]: <-- data [2]
Jul 18 06:47:27.95: [12852]: --> [2:OK]
Jul 18 06:47:27.95: [12852]: DELAY 75 ms
Jul 18 06:47:28.03: [12852]: <-- [10:AT+FTM=24\r]
Jul 18 06:47:28.09: [12852]: --> [7:CONNECT]
Jul 18 06:47:28.09: [12852]: <-- data [450]
Jul 18 06:47:28.09: [12852]: <-- data [2]
Jul 18 06:47:30.81: [12852]: --> [2:OK]
Jul 18 06:47:30.81: [12852]: <-- [9:AT+FRH=3\r]
Jul 18 06:47:31.21: [12852]: --> [7:CONNECT]
Jul 18 06:47:32.18: [12852]: --> [2:OK]
Jul 18 06:47:32.18: [12852]: TRAINING succeeded
Jul 18 06:47:32.18: [12852]: <-- [10:AT+FTM=24\r]
Jul 18 06:47:32.23: [12852]: --> [7:CONNECT]
Jul 18 06:47:32.23: [12852]: SEND begin page
Jul 18 06:47:32.23: [12852]: <-- data [1026]
Jul 18 06:47:32.23: [12852]: <-- data [1024]
Jul 18 06:47:32.23: [12852]: <-- data [1031]
Jul 18 06:47:32.23: [12852]: <-- data [370]
Jul 18 06:47:32.23: [12852]: SENT 3435 bytes of data
Jul 18 06:47:32.23: [12852]: <-- data [1045]
Jul 18 06:47:32.23: [12852]: <-- data [1036]
Jul 18 06:47:32.23: [12852]: <-- data [1049]
Jul 18 06:47:32.23: [12852]: <-- data [338]
Jul 18 06:47:32.23: [12852]: SENT 3405 bytes of data
Jul 18 06:47:32.24: [12852]: <-- data [1049]
Jul 18 06:47:32.24: [12852]: <-- data [1053]
Jul 18 06:47:32.24: [12852]: <-- data [1057]
Jul 18 06:47:32.24: [12852]: <-- data [357]
Jul 18 06:47:32.24: [12852]: SENT 3414 bytes of data
Jul 18 06:47:32.24: [12852]: <-- data [1051]
Jul 18 06:47:32.24: [12852]: <-- data [1051]
Jul 18 06:47:32.24: [12852]: <-- data [1046]
Jul 18 06:47:32.24: [12852]: <-- data [358]
Jul 18 06:47:32.24: [12852]: SENT 3421 bytes of data
Jul 18 06:47:32.24: [12852]: <-- data [1055]
Jul 18 06:47:32.24: [12852]: <-- data [1054]
Jul 18 06:47:32.24: [12852]: <-- data [1055]
Jul 18 06:47:32.24: [12852]: <-- data [360]
Jul 18 06:47:32.24: [12852]: SENT 3422 bytes of data
Jul 18 06:47:32.24: [12852]: <-- data [1036]
Jul 18 06:47:32.24: [12852]: <-- data [1025]
Jul 18 06:47:32.24: [12852]: <-- data [261]
Jul 18 06:47:32.24: [12852]: SENT 2309 bytes of data
Jul 18 06:47:32.24: [12852]: SEND 2D RTC
Jul 18 06:47:32.24: [12852]: <-- data [30]
Jul 18 06:47:32.24: [12852]: <-- data [2]
Jul 18 06:47:32.24: [12852]: SEND end page
Jul 18 06:48:31.98: [12852]: --> [2:OK]
Jul 18 06:48:31.98: [12852]: DELAY 95 ms
Jul 18 06:48:32.08: [12852]: SEND send EOP (no more pages or documents)
Jul 18 06:48:32.08: [12852]: <-- [9:AT+FTH=3\r]
Jul 18 06:48:32.11: [12852]: --> [7:CONNECT]
Jul 18 06:48:32.12: [12852]: <-- data [3]
Jul 18 06:48:32.12: [12852]: <-- data [2]
Jul 18 06:48:33.38: [12852]: --> [2:OK]
Jul 18 06:48:33.38: [12852]: <-- [9:AT+FRH=3\r]
Jul 18 06:48:36.49: [12852]: --> [0:]
Jul 18 06:48:36.49: [12852]: MODEM <Empty line>
Jul 18 06:48:36.49: [12852]: <-- data [1]
Jul 18 06:48:36.49: [12852]: --> [2:OK]
Jul 18 06:48:36.49: [12852]: SEND send EOP (no more pages or documents)
Jul 18 06:48:36.49: [12852]: <-- [9:AT+FTH=3\r]
Jul 18 06:48:36.54: [12852]: --> [7:CONNECT]
Jul 18 06:48:36.54: [12852]: <-- data [3]
Jul 18 06:48:36.54: [12852]: <-- data [2]
Jul 18 06:48:37.83: [12852]: --> [2:OK]
Jul 18 06:48:37.83: [12852]: <-- [9:AT+FRH=3\r]
Jul 18 06:48:38.31: [12852]: --> [7:CONNECT]
Jul 18 06:48:39.28: [12852]: --> [2:OK]
Jul 18 06:48:39.28: [12852]: SEND recv RTN (retrain negative)
Jul 18 06:48:39.28: [12852]: <-- [9:AT+FTH=3\r]
Jul 18 06:48:39.32: [12852]: --> [7:CONNECT]
Jul 18 06:48:39.32: [12852]: <-- data [3]
Jul 18 06:48:39.32: [12852]: <-- data [2]
Jul 18 06:48:40.61: [12852]: --> [2:OK]
Jul 18 06:48:40.61: [12852]: <-- [5:ATH0\r]
Jul 18 06:48:41.70: [12852]: --> [2:OK]
Jul 18 06:48:41.70: [12852]: SESSION END

 


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