FreePBX Installation & GSM Gateway Configuration

I need an expert to install FreePBX on my ready VPS and configure it to work with my already purchased Hardware GSM Gateway. The goal is to enable calls from SIP to the mobile network.

Key Tasks:
- Install FreePBX on my VPS
- Configure the system to work with the GSM Gateway
- Enable SIP to mobile network call functionality

Ideal Skills:
- Proficiency in FreePBX
- Experience with Hardware GSM Gateways
- Knowledge of SIP protocols

Please ensure you have relevant experience and can provide examples of similar projects you've completed.