Raspberry pi as VoIP GSM gateway

Raspberry Pi Zero W – Huawei USB 3G adapter K3715 (Unlocked no operator lock) – Power supply 5 Volt with at least 2 Ampere out – At least 4 Gb Sd memory. – Pc debian like as Ubuntu for work around need this to bui もっと

Hey there, I am Abraham, Senior VoIP engineer and consultant with robust and extensive Asterisk PBX and GSM origination/termination experiences, have done dozens of similar projects. Please let me know more details a もっと

Hi, i have lot of experience in the industry of voip. I offer my services for your project, we can chat details. Please do have a look at my profile. I assure you of a high quality professional service.

Hi there, I have checked the details I have rich experienced with Rasberry and VOIP. Please initiate chat so we can discuss this job.