The SIM800 is a complete Quad-band GSM/GPRS solution in a SMT module which can be embedded in the customer applications. It is the successor of the SIMCom [tag:sim900].
Use this tag for questions related to SIMCom 800 series modules.
Questions tagged [sim800]
145 questions
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Can I send trought FTP a recorded audio file with a sim800 gsm module
hello I would like to know if someone succeed in sending a recorded audio file trough ftp with a sim800 gsm module.
Here what I'm able to do :
I'm connected into the net(AT+CIFSR:10.169.xxx.xxx)
I can record an audio amr file during a call…
fr3d mobile
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- 4
0
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0 answers
Import SSL Sertificate with Private Key in SIM800C
There was a problem importing a client certificate with a private key.
I tried to import a certificate without a key with a .crt extension. The import was successful, the modem responded to the AT+SSLSETCERT command:
+SSLSETCERT: 0
which means "The…
Ilya Filimonov
- 33
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0 answers
How to change MSISDN on USIM Card
I bought new USIM Card. It has not MSISDN written in the MSISDN list (Phone storage = "ON").
I tried to write MSISDN to the USIM card using AT commands of the modem (SIM800X GSM/GPRS HAT).
AT+CPBS=?
+CPBS:…
Art Spasky
- 1,635
- 2
- 17
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1 answer
I want to download some audio files from SIM808 to my PC
need your help
I am using SIM808 in a garage door monitoring system. We use the sim808 to answer calls and play audio messages when someone calls the Sim card installed on the SIM808 (the audio files that we play were recorded during a call using…
Jakob_btrx
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- 3
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votes
1 answer
Sending POST request to HTTPS clould function by using sim 800l module
hiii, This is for Sending HTTPS POST request to clould function server by using sim800l gprs module.the main problem is its could not send the data to server but its connects the server and its shows bad request 400.I can't understand the…
0
votes
1 answer
SIM800L http"S" connection problems
I have a SIM800L module. Which has R14.18 firmware(supports TLS 1.0 and SSL) in it. I am having trouble to connect to http"S" servers. I can connect http servers no problem there. All this information and steps i got from datasheets, forums and…
Ahmed Akif Hekimoğlu
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- 5
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Is it possible to make a sip call over gprs with a SIM800 module?
I have an Asterisk server on cloud and I want ESP32 devices to register as SIP clients and make a VoIP call over GPRS via SIM800 module. AT commands of SIM800 module allows me to make a GPRS connection and I can send http request and send MQTT…
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1 answer
+HTTPACTION: 0,601,0 on SIM800L error getting webpage
I can't take a HTML page with SIM800L GSM modem.
I open connection
AT+CSCS="GSM"
AT+CMGF=1
AT+SAPBR=3,1,"APN","apn.fastweb.it"
AT+SAPBR=1,1
AT+SAPBR=2,1
+SAPBR: 1,1,"10.44.96.11"
I define HTTP…
gioreva
- 1
- 1
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How to send AT commands to ESP32 LilyGo-T-Call-SIM800?
I've been working with a LilyGo-TCall-SIM800 module for several days, trying to get out of a dead end.
I have tried an example from "random nerd tutorials" which works correctly. The module connects to the internet and can send data to the cloud.
I…
ORParga ORParga
- 35
- 5
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0 answers
SIM900 AT command: Network depersonalization required
I have made experience with sim 800l, it works like a charm. Now I got a new SIM900A module, interferencing it with (RP over python), AT command returns ok, and other basic AT commands, so not the communication with the Chip is the question.
It…
Erkman
- 1
0
votes
1 answer
Communicating IoT Device with Google CLoud/Firebase using SSL
I have 2G GSM Module SIM808 which supports HTTPS using SSL but doesn't support TLS.
I am trying to connect to HTTPS website but in return HTTP code 606 is received.
So how do we directly or indirectly connect the GSM module to Google Cloud so that…
narayan rathod
- 81
- 11
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0 answers
Why does the "AT+HTTPACTION=1" command give me "ERROR" respose after the first loop in arduino sim8000l
I have an Arduino project that uploads data to a server and retrieves data from the same server. The upload and download are two separate functions. My problem is when I run the code for the first time it completes the upload function successfully…
anakin
- 1
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Generate SSL Certificate for Google Cloud Firebase for IoT device
I have IoT device which is capable of making HTTPS requests,but currently it doesnt have SSL Client and Root Certificates.
The IoT device (2G GPRS module) will perform requests to authenticate with google firebase ,write and read documents in…
narayan rathod
- 81
- 11
0
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2 answers
How can i make GET request with this kind of API's on Sim800
I can do single line GET requests with sim800 but I couldn't understand to use this API.
curl --request GET \
--url 'https://api.collectapi.com/pray/all?data.city=istanbul' \
--header 'authorization: apikey 3tXXXMYAPIKEYq9:1RxvCMYAPIKEYgAG'…
A. Vehbi
- 5
- 3
0
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0 answers
New line and Extra characters in response SIM800
I send commands to the modem through USART1 and copy them to USART2. I copy the modem's response to USART2. USART2 is connected to the terminal and I see a lot of extraneous characters in it. And the line break does not work everywhere. Why is that?…
Ping-247
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