Hi there,
I am Umair. I can work with your project skills Software Architecture, Software Testing, Asterisk PBX, Engineering and VoIP
I have been working as freelancer since 2015 and the skills Software Architecture, Software Testing, Asterisk PBX, Engineering and VoIP you mentioned perfectly suits my expertise. I can definitely help you with this project.
Looking forward to your response and discuss in detail.
Umair A.