Android modem - incorrect delivery status

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peter chanq
New member
Username: Qqblog

Post Number: 31
Registered: 10-2012
Posted on Thursday, August 28, 2014 - 03:48 am:   

my sim card is not working (out of balance). i cannot send sms via message apps but your nowsms apps reports success delivery.

pls advise
peter chanq
New member
Username: Qqblog

Post Number: 32
Registered: 10-2012
Posted on Thursday, August 28, 2014 - 04:44 am:   

if i send mms, failed is returned
Des - NowSMS Support
Board Administrator
Username: Desosms

Post Number: 5016
Registered: 08-2008
Posted on Thursday, August 28, 2014 - 12:33 pm:   

Versions of app and NowSMS?
peter chanq
New member
Username: Qqblog

Post Number: 33
Registered: 10-2012
Posted on Thursday, August 28, 2014 - 02:29 pm:   

Android 05.30
Nowsms lite may version
Des - NowSMS Support
Board Administrator
Username: Desosms

Post Number: 5018
Registered: 08-2008
Posted on Thursday, August 28, 2014 - 02:44 pm:   

Hi Peter,

Try updating the Android app ... the 2014.06.30 version added a check in this area. Navigate to http://www.nowsms.com/apk on the device browser to download.

If that doesn't solve the problem, switch back to the default messaging app, and see if it reports an error when you attempt to send an SMS. If it does, we can investigate further. If it doesn't, that suggests the network is not returning an error, just accepting but ignoring the message.

--
Des
NowSMS Support
peter chanq
New member
Username: Qqblog

Post Number: 34
Registered: 10-2012
Posted on Thursday, August 28, 2014 - 03:16 pm:   

I will try. The default messaging app does return error.
peter chanq
New member
Username: Qqblog

Post Number: 35
Registered: 10-2012
Posted on Friday, August 29, 2014 - 01:54 am:   

i have installed 2014.06.30 version for nowsms lite and android but the result is still successfully sent.
peter chanq
New member
Username: Qqblog

Post Number: 36
Registered: 10-2012
Posted on Friday, August 29, 2014 - 07:02 am:   

if i send using default messaging app, the status is "sending" and kept for many hours.
Des - NowSMS Support
Board Administrator
Username: Desosms

Post Number: 5023
Registered: 08-2008
Posted on Friday, August 29, 2014 - 06:28 pm:   

That the default messaging app gets stuck in a "sending" state is a problem.

I'm going to ask our engineering team to revisit this area. But my understanding is that the actual SMS sending task is async. NowSMS does wait for awhile for a status report, but if one is not received, it can't assume the send was unsuccessful, as this gives the possibility for duplicates.

I am going to ask them to look again to see if there is an option to try to cancel an SMS sending attempt that is not responding. If we could do that, and get acknowledgment of the cancel, then an error response could be triggered.

The odd thing though is that on my "out of credit" tests, I get an error. So this behavior may be network specific.

--
Des
NowSMS Support
peter chanq
New member
Username: Qqblog

Post Number: 37
Registered: 10-2012
Posted on Friday, August 29, 2014 - 10:54 pm:   

We sent by smpp, could nowsms lite return DR as failed?
Des - NowSMS Support
Board Administrator
Username: Desosms

Post Number: 5029
Registered: 08-2008
Posted on Tuesday, September 02, 2014 - 07:10 pm:   

Unfortunately, I think what you are seeing is network specific behavior. Or maybe device specific, it's hard to say. The fact that the default messaging app gets stuck in "sending" is the concern.

I've been running some tests today with SIM cards that have run out of credit, and NowSMS is correctly seeing errors, as is the default messaging app.

When NowSMS tries, the PC side retries the messages, and the logs record a "503 Service Unavailable" message.

I did notice in the debug logs that Jelly Bean and Kit Kat devices come back with an error pretty quickly, but I see a Gingerbread device require 45 seconds to report the failure.

I asked our Android expert about this, and he indicated that there was no timeout value that could be set. Once we ask the Android OS to send a message, there is no way to cancel it.

We would be curious to see an SMSDEBUG.LOG from your system to get a better idea of what you are seeing in this situation. However, we are skeptical that anything can be done. We will continue to try looking at this behavior on different devices/networks to see if we can recreate what you are seeing.

--
Des
NowSMS Support

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