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Lee Lup Yuen 2023-04-26 12:03:22 +08:00
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README.md
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@ -6918,7 +6918,9 @@ Response: OK
Command: AT+CSCS="GSM"
Response: OK
// Send an SMS to the Phone Number
// Send an SMS to the Phone Number.
// yourphonenumber looks like +1234567890
// Works without country code, like 234567890
Command:
AT+CMGS="yourphonenumber"
@ -6938,23 +6940,23 @@ OK
[(See the Complete Log)](https://github.com/lupyuen2/wip-pinephone-nuttx-apps/blob/8ea4208cbd4758a0f1443c61bffa7ec4a8390695/examples/hello/hello_main.c#L622-L659)
TODO: SMS Message must be unique or we will get Error 350...
TODO: Why do we get Error 350 sometimes? (Rejected by SMSC)
```text
+CMS ERROR: 350
```
Maybe because SMS Message must be unique? Or the Modem isn't ready to transmit SMS? Should we retry?
## Send SMS in PDU Mode
Now we send an SMS Message in PDU Mode. Based on...
- Quectel GSM AT Commands Application Note, Section 9.3.2 "Send SMS in PDU mode", Page 26
- [Quectel GSM AT Commands Application Note](https://www.cika.com/soporte/Information/GSMmodules/Quectel/AppNotes/Quectel_GSM_ATC_Application_Note.pdf), Section 9.3.2 "Send SMS in PDU mode", Page 26
https://www.cika.com/soporte/Information/GSMmodules/Quectel/AppNotes/Quectel_GSM_ATC_Application_Note.pdf
- [ETSI GSM 07.05 Spec](https://www.etsi.org/deliver/etsi_gts/07/0705/05.01.00_60/gsmts_0705v050100p.pdf) (AT Commands)
- https://www.etsi.org/deliver/etsi_gts/07/0705/05.01.00_60/gsmts_0705v050100p.pdf
- https://en.m.wikipedia.org/wiki/GSM_03.40
- [ETSI GSM 03.40 Spec](https://en.m.wikipedia.org/wiki/GSM_03.40) (PDU Format)
This is how we send an SMS in PDU Mode: [send_sms_pdu](https://github.com/lupyuen2/wip-pinephone-nuttx-apps/blob/8ea4208cbd4758a0f1443c61bffa7ec4a8390695/examples/hello/hello_main.c#L255-L341)
@ -7019,7 +7021,9 @@ Command: AT+CMGS=41
// We wait for Modem to respond with ">"
Response: >
// SMS Message in PDU Format, terminate with Ctrl-Z
// SMS Message in PDU Format, terminate with Ctrl-Z.
// yourphonenumberpdu looks like 2143658709, which represents +1234567890
// Country Code is mandatory.
Command:
0011000A91yourphonenumberpdu0008011C00480065006C006C006F002C005100750065006300740065006C0021<Ctrl-Z>