Asterisk VoIP Server Setup

I need an experienced Asterisk professional to install and configure a VoIP server for business telephony. The setup should include:

- IVR (Interactive Voice Response)
- Call Forwarding
- Voicemail

Ideal skills and experience:
- Proficiency in Asterisk setup and configuration
- Experience with business telephony systems
- Knowledge of VoIP protocols and network configuration
- Ability to implement IVR, call forwarding, and voicemail features

Looking for someone who can deliver a reliable and scalable solution. Please provide examples of similar work done.