fixing a problem with a raspberry pi and 4g dongle, scripted is everything in bash

Hello! I have experience in server administration and will be very happy to review your problem with script and dongle you have. It will be nice if you can share some more info like if you have any error, what script language you are using. Thanks!

I am able to help you in connecting GSM dongles with asterisk. Please go through my past VoIP reviews and projects completed over seven years of time. Thanks

Hello, What dongle series are you using? And what fashion series? Error code you meet? Can I review your code to find out the problem? or you prefer me to do remote desktop sharing? let me know as this could be a quick fix. Regards, Kham

Greetings, Which model of raspberry pi? Are you running raspbian or someother Linux? Which 4G dongle are you using? Above all please share details about the issue being faced and what you want to achieve? Thanks, So.

Hello sir. How are you today? I have checked your job description carefully and understand your job well. I have rich experience in development using raspberry pi. Please send message for detail discussion. Best Regards.

Hi, I have more than 8 years of experience in embedded design and development. I have worked on many applications for e.g. WiFi, GSM, GPS, BLE, ZigBee etc. I have already worked on Raspberry Pi with 4G usb dongles as well serial modems. I have developed firmware with direct socket programming and also with qmi protocol. I have interfaced Sierra, quectel and huawei USB modems with RPi2/3. Let’s talk about your issue and go ahead. Thanks.

Hello, I am expert in Raspberry Pi programming using Python. I can help you fix problem with your Raspberry Pi. I need more details about the situation. Regards

Hello, I am a software engineer specialized in Asterisk and can help you to fix that. I have my own environment working as your system with 2 dongles and a raspberry pi server and can help you to fix that. Well, for the beginning... is very important you have a correct model and brand of dongles to it work correctly with calls and SMSs. What is the trouble that you are having with that?

Hello I am a senior developer so i can do it very easily if you want. Contact me right now i am ready to start this project for you. Low cost and high quality result reply to discuss more about this project