[GH-ISSUE #28] Weird character encoding issue #27

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opened 2026-03-04 12:10:18 +03:00 by kerem · 5 comments
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Originally created by @dracula99gr on GitHub (Jun 14, 2024).
Original GitHub issue: https://github.com/4IceG/luci-app-sms-tool/issues/28

If I send SMS on my router using unicode encoding it's mostly fine, but on most devices that setting is set to gsm encoding by default and the SMS I receive by others/by my ISP can not be understood...

23:52 Unicode
23:55 GSM alphabet

(greek chars) message:
αβγδεζηθικλμνξοπρστυφχψω ΑΒΓΔΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΨΩ «» ;: ςάέίϊΐόύϋΰ

Screenshot_20240614-235824_Messages
Screenshot_20240614-235929_Chrome

However from the other side they don't seem to work at all when sending the same message from router to my phone regardless of that setting
Screenshot_20240615-000718_Messages
20240615_001015

Originally created by @dracula99gr on GitHub (Jun 14, 2024). Original GitHub issue: https://github.com/4IceG/luci-app-sms-tool/issues/28 If I send SMS on my router using unicode encoding it's mostly fine, but on most devices that setting is set to gsm encoding by default and the SMS I receive by others/by my ISP can not be understood... 23:52 Unicode 23:55 GSM alphabet (greek chars) message: `αβγδεζηθικλμνξοπρστυφχψω ΑΒΓΔΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΨΩ «» ;: ςάέίϊΐόύϋΰ` ![Screenshot_20240614-235824_Messages](https://github.com/4IceG/luci-app-sms-tool/assets/20153526/67135ed8-cf3a-426a-89ea-4d22e43ec54d) ![Screenshot_20240614-235929_Chrome](https://github.com/4IceG/luci-app-sms-tool/assets/20153526/95a1b165-b1fc-4031-a7f9-68f588e7563c) However from the other side they don't seem to work at all when sending the same message from router to my phone regardless of that setting ![Screenshot_20240615-000718_Messages](https://github.com/4IceG/luci-app-sms-tool/assets/20153526/9e62f299-13a1-4599-ae81-82c3dd1ffa9a) ![20240615_001015](https://github.com/4IceG/luci-app-sms-tool/assets/20153526/01b2efda-9e49-4681-8596-ce6f813e93a4)
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@4IceG commented on GitHub (Jun 15, 2024):

Hi @dracula99gr ,
Take a look at this topic https://github.com/4IceG/luci-app-sms-tool/issues/27, because I see that it is the same case.

<!-- gh-comment-id:2169162518 --> @4IceG commented on GitHub (Jun 15, 2024): Hi @dracula99gr , Take a look at this topic https://github.com/4IceG/luci-app-sms-tool/issues/27, because I see that it is the same case.
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@dracula99gr commented on GitHub (Jun 15, 2024):

Hello @4IceG! True for the outgoing SMS but what about the incoming SMS when GSM alphabet is used by the senders?

<!-- gh-comment-id:2169490951 --> @dracula99gr commented on GitHub (Jun 15, 2024): Hello @4IceG! True for the outgoing SMS but what about the incoming SMS when GSM alphabet is used by the senders?
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@4IceG commented on GitHub (Jun 15, 2024):

@dracula99gr I don't have answer to your question, maybe Cezary @obsy will be able to say something more.

<!-- gh-comment-id:2169843094 --> @4IceG commented on GitHub (Jun 15, 2024): @dracula99gr I don't have answer to your question, maybe Cezary @obsy will be able to say something more.
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@obsy commented on GitHub (Jun 15, 2024):

True, sms_tool only uses gsm to send sms.

<!-- gh-comment-id:2169898148 --> @obsy commented on GitHub (Jun 15, 2024): True, sms_tool only uses gsm to send sms.
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@dracula99gr commented on GitHub (Jun 15, 2024):

Hello @obsy! I am talking about the incoming SMS messages mostly (the need of sending SMS via the router is less frequent). The gsm alphabet is in your default SMS app settings, almost every phone I have seen in Greece has set by default the GSM Alphabet instead of unicode.
Screenshot_20240615-202815_Messages
Screenshot_20240615-202825_Messages

When the senders have the GSM alphabet as default there are many characters not showing up in SMS tool as shown in the screenshots above... I sent the same SMS message once with unicode at 23:52 and once with GSM alphabet 23:55

<!-- gh-comment-id:2170404347 --> @dracula99gr commented on GitHub (Jun 15, 2024): Hello @obsy! I am talking about the incoming SMS messages mostly (the need of sending SMS via the router is less frequent). The gsm alphabet is in your default SMS app settings, almost every phone I have seen in Greece has set by default the GSM Alphabet instead of unicode. ![Screenshot_20240615-202815_Messages](https://github.com/4IceG/luci-app-sms-tool/assets/20153526/7f303802-0233-477d-8033-beaa73cdff7a) ![Screenshot_20240615-202825_Messages](https://github.com/4IceG/luci-app-sms-tool/assets/20153526/781ab106-5b36-437f-8e81-4e9b5036220f) When the senders have the GSM alphabet as default there are many characters not showing up in SMS tool as shown in the screenshots above... I sent the same SMS message once with unicode at 23:52 and once with GSM alphabet 23:55
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starred/luci-app-sms-tool#27
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