Contact person: Business Client

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Location: Kolkata, India

Budget: Recommended by industry experts

Time to start: As soon as possible

Project description:
"I’m looking for an experienced VoIP engineer to build a small-scale yet dependable admin portal that lets me offer USA toll-free calling from overseas. SIP is the protocol I want throughout the stack.

Core scope
• Set up a VoIP server (FreeSWITCH, Asterisk, or another SIP-compatible platform) and obtain or integrate at least one working USA toll-free route.
• Configure call management and routing rules so I can quickly add, edit, and remove destinations.
• Enable call monitoring and recording with searchable logs and downloadable files.
• Provide a clean web-based admin interface where I can view active calls, route status, and basic statistics.
• Secure the system (firewall rules, strong auth, TLS/SRTP where practical) and document all credentials, ports, and services.
• Give me a short hand-off session—screen share or recorded walkthrough—showing how to create new toll-free numbers, pull recordings, and read call detail records.

I’ll supply the cloud VM or bare-metal server; you handle installation, configuration, and initial testing. Code, config files, and a brief setup guide must be delivered at project close." (client-provided description)