Mongotel Cloud PBX/RMR, Any Experience?

I Know this is a bit off topic, but i would like to ask if anyone here have any experience reselling Mongotel cloud PBX systems.

According to the sales lady I spoke to, they're offering a cloud PBX RMR opportunity, where all i have to do is, the installation and make sure it is connected to their system, (promising they will help me with it), than they will do the phone system programming remotely, future programming changes are included in the price, and they bill the end user monthly with my total price, and ACH my marked up margin difference every month, if all of this is true than it is probably a great, they claim to sell only through LV and security installers/distributors and have some number of installers nationwide, therefore before quoting their service to a longtime large customer, and potentially risking my relationship, I thought I will ask if anyone here have heard of them and whats your experience, their website have some testimonials, but only from end users, and it is very typical not adding much, so if you have any experience with them and their service, support, installer support, and their reliability, that you can share would be appreciated.

thanks

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