Sending SMS message with asterisk+ dongle: [dongle0] Error sending SMS message 0x7ffeb0001ca0 SMSTEXT

[fish_cat]

Hello everyone, please help me, I have a problem with SMS sending failure.
A few days ago, I could send SMS messages normally. Today, I suddenly failed to send SMS messages with the following error message:

dial plan config:

The following commands are used to send short messages in python:

In addition, there is still confusion about how it found exten => sms, and how I can tell if the SMS was sent successfully or failed in python code, using the message that chatgpt returns to me as shown below, is chatgpt correct:

[jcolp]

The chan_dongle module is not part of Asterisk, so while you are free to post here be aware that knowledge and information is limited.

[fish_cat]

Sorry, I can’t tell if this is a chan_dongle problem or an asterisk problem, now I know that I should ask chan_dongle for help on how to judge the return message and how to use the return message to determine whether the message was sent successfully