Try this:
Before sending the request, transfer the modem port to "silent" mode.
echo -en 'AT^CURC=0\r\n' > /dev/ttyUSBx
Where ttyUSBx is the port of the modem with which modemmanager
communicates.
Source: https://www.linux.org.ru/forum/linux-hardware/12368848
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I wonder if I could be of any help with this?
Could I contribute any error message?
Could I be of help in testing?
I'd like to see a solution to this issue.
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I use a ZTE K3565-Z from Vodafone.
In Linuxmint 17 I managed to get this running with patched version from Alex by
PPA.
In Linuxmint 18 I'm lost - USSD still not working, to balance and no top up
from abroad possible.
The old PPA version does not work - no modem found.
Is there a chance to find
Hello.
My device is E3372.
After sending any USSD i've get error:
"GDBus.Error:org.freedesktop.ModemManader1.Error.Core.Failed: Invalid USSD
response received: '^CCIN:2,0,"","",0'".
Modem Manager GUI 0.0.18-3
Linux Mint 18.1
In the previous version of the USSD went sometimes and sometimes not.
Hello.
The device is ZTE MF820D.
After chaning the old modem to a 4G one I've got:
"GDBus.Error:org.freedesktop.ModemManager1.Error.Core.Failed: Sending USSD
command failed"
How do I apply a patch?
Regards & respect.
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Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: modemmanager (Ubuntu)
Status: New => Confirmed
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Title:
** Changed in: modem-manager-gui (Ubuntu)
Status: New => Invalid
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Title:
Sending USSD message does not work
To manage notifications about
Yes, it is. We should have an upstream bug report.
** Changed in: modem-manager-gui
Status: Confirmed => Invalid
** Also affects: modemmanager (Ubuntu)
Importance: Undecided
Status: New
** Also affects: modemmanager
Importance: Undecided
Status: New
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Is this actually an issue in modemmanager?
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Title:
Sending USSD message does not work
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I don't know how to detect if encoding needed or not, so I guess that
list of modems that require unencoded request strings is the most
obvious solution.
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Hmm, so the only way to handle all modems is to have a list of modems
that require encoding disabled?
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Title:
Sending USSD message does not work
The attachment "use-unencoded-ussd-by-default.patch" seems to be a
patch. If it isn't, please remove the "patch" flag from the attachment,
remove the "patch" tag, and if you are a member of the ~ubuntu-
reviewers, unsubscribe the team.
[This is an automated message performed by a Launchpad user o
Yes, but some modems (e.g. ZTE MF-180) can't handle any USSD request
string after encoded one was used. So timeout error is returned by Modem
Manager because modem is unable to handle fallback unencoded request
string sent after encoded one.
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Hmm, strange. It seems like the change was done in this commit:
commit c6c1e0fb50569b9eafd92ba170a8dba42c4948be
Author: Aleksander Morgado
Date: Sun Jul 22 14:36:32 2012 +0200
broadband-modem: fallback to unencoded command in USSD if encoded
fails
diff --git a/src/mm-broadband-modem.c b/s
I've attached patch used in this PPA. This patch wasn't submitted
upstream. It simply forces Modem Manager 1.2.0 to use unencoded USSD
request string first (like in earlier Modem Manager versions <= 0.6.2).
It works at least for ZTE 180 modem and there is no side effects for
modems that work fine w
** Changed in: modem-manager-gui
Status: New => Confirmed
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Title:
Sending USSD message does not work
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There is a fixed version of modemmanager published here:
https://launchpad.net/~linuxonly/+archive/ubuntu/modemmanager/+sourcepub/4148984
/+listing-archive-extra bug I could not find the patch applied or if it
is submitted upstream.
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