Grandstream UCM6104 PBX Configuration

We need an expert who understands GrandStream UCM6104 product and it's phones as well. (Grandstream 2170 and other variants). Must be available immediately. ** MUST HAVE Experience with Grandstream UCM6104 products to qualify We need to do the following: -Full Setup (advising via remote how to set up fully the device) - Flowroute set up has already been completed. -Setting up Call Recording (and advising on how to do this) -Setting up different extensions - advising how to do this -Setting up call forwarding for certain times and how to put forwarding numbers -Setup Auto-attendant (and how to to do this going forward) -Setting up call detail record logging -Setting up voicemail boxes and how to manage them ONLY GrandStream experts apply.