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USSD Response Not Decoded to Text for SIMCOM 5320E modem
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April 21, 2017
3:23 pm
Henk Helmantel
Forum Posts: 1502
Member Since:
May 28, 2013
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Diafaan SMS Server and earlier is not able to decode the Unicode USSD response that your mobile operator returns. We will add support for Unicode USSD responses in the next version of Diafaan SMS Server.

If you have a license for Diafaan SMS Server that is still in the free upgrade and support period I can send you a plugin for the GSM Modem Gateway with the new functionality. To get the plugin, please send an email to with the request, the version of Diafaan SMS Server that you use (32- or 64-bits) and the serial number of your license.

Regards, Henk

April 20, 2017
5:42 pm


I am using Daifaan for USSD, When using it with SIMCOM 5320E modems. I can send USSD as normal. But the USSD response is not decoded into Text?

2017/04/20 23:24:00.650 > AT+CMGL=4
2017/04/20 23:24:00.706 < OK
2017/04/20 23:24:01.948 > AT+CUSD=1,"*MYUSSDCOMMAND#",15
2017/04/20 23:24:04.130 < OK
2017/04/20 23:24:04.231 < +CUSD: 0,"0053006F007200720079002C00200069006E00760061006C006900640020006D00650073007300610067006500200066006F0072006D00610074002E30005BF94E0D8D77002C002095198BEF76846D88606F683C5F0F30020020002000200020002000200020002000200020",72
2017/04/20 23:24:06.258 > AT+CMGL=4
2017/04/20 23:24:07.316 < OK
2017/04/20 23:24:11.360 > AT+CMGL=4

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