Hello all, just to bring this to an end, i bought a Cinterion BGS2T modem and it seems to work good. Runs fine since 8 days now.
Thanks for all your help and comments. Georg Am Mon den 30. September 2019 um 09:51 Uhr schrieb Alvaro Cornejo: > The problem you describe looks like for any reason your modem is not able > to pass the incoming messages to kannel. > > What I did in the past is configure kannel to automatically look for > messages in modem storage. I guess you are only using CNMI command. This > command tells the modem to pass messages to kannel. however. if the message > got stuck in the memory, CNMI command will not check for it. You need to > tell kannel to look periodically into the memory for the messages and free > the messages memory. If this memory gets full, the modem will reject any > other incoming message. > > Note that his work around is not 100% effective, but should largely reduce > the times your modem gets locked for IM. > > The commands you need to add to your config are: > > On your SMSC-AT group: > sim-buffering = true > > AND on your MODEM group: > message-storage = SM or ME. You should test which work best with your modem. > > Hope this helps, > Regards, > > Le lun. 30 sept. 2019 à 07:39, Georg Horn <h...@koblenz-net.de> a écrit : > > > Hello and thanks for your answer. > > > > Am Fr den 27. September 2019 um 09:44 Uhr schrieb info.ubichip: > > > > > I suggest differents things : > > > - please take a look on the INIT string message for the modem, > > > it could be some parameters not setup correctly (I suspect some attach > > > to 3G station which could not be comptabile with the TC35) > > > - take a look as well on the log of the modem, sometimes it > > > lostt the network then you can make a start/stop (see kannel commands > > > in manual) of the modem to restart the init, > > > > I dont believe that this is the case because the modem still can send > > messages. It just stops receiving the messages. Meanwhile i had another > > effect: One and the same message arrived over and over again, but other > > messages did not arrive. I removed the SIM card from the modem, put > > it into my phone and sent and received some testmessages when suddenly a > > bunch of 20 or 30 old messages arrived at once. After that i put the > > card back into the modem and for now it seems to work since 3 days. But i > > believe that indeed the modem is somehow buggy and did not properly > > receive that one message so that it was sent again and again and other > > messages did not come through... > > > > > - if none of the solutions works, buy a power plug programmer > > > (the cheap one at 2 or 3 E) then make your system poweroff poweron > > > every hour, then the modem will attach the network when the power back > > > > This is not ideal either. You have to stop and restart kannel every > > time, so every hour the gateway is not available for a minute... > > > > > For other modem, I was using serial Modem from teltonika G10 and E6(I > > > have a few to sell) working fine for years, and some other IP modem > > > (please contact me directly). > > > > I would like to buy such a G10 modem from you, if possible with power > > supply and antenna. Can you also send me the configuration lines from > > smskannel.conf? > > > > How are we going to do that? I can transfer the money to you if you send > > me the bank account. My adress is below. > > > > Kind Regards, > > Georg Horn > > > > Horn Internetservice > > Unter der Fuerstenwiese 4a > > D-56072 Koblenz > > > > > -----Message d'origine----- > > > > > > I am using kannel version 1.4.3 and a Siemens TC35 Modem with a SIM > > > card from the german Telekom. We receive about 3 SMS every 5 minutes, > > > which works fine normally, but about every two days or so, the modem > > > stops receiving SMS messages. It is still logged into the mobile > > > network which is indicated by the flashing of the green led and it > > > still does send messages, but no messages are received. If i then > > > power it off and on again and restart kannel, it receives all the > > > messages that have been missing before. > > > > > > I phoned the hotline from Telekom and they could see that the messages > > > are not delivered sometimes and they suspect a bug or defect in the > > > modem and i should probably try a firmware update or another modem. > > > > > > Thus finally my questions: What do you think of this? Which type of > > > modem is reliable for sending and receiving SMS? Has anyone ever done > > > a firmware update on a TC35?
