PBX System Setup

I need a skilled technician to set up a PBX (Private Branch Exchange) telephone system in my office.

Essential features required:
- Call routing and forwarding
- Voicemail to email
- Conference calling

Ideal skills and experience:
- Expertise in PBX systems
- Experience with call routing and voicemail integration
- Strong background in office telecommunication setups

Please provide your previous work examples and estimated timeline.