Hey everyone! Our company is considering shifting to a Virtual Desktop Infrastructure (VDI) setup, but we rely heavily on Five9 Softphone for our daily operations — about 400 users are using it extensively. We've been facing a lot of issues with Five9, such as browser refresh errors and the app not being recognized. To cut costs, we're thinking about moving to VDI next year, but I have concerns regarding the reliability and call quality. Has anyone here had experience using VDI with VoIP? Would you recommend going in that direction? We're planning to use thin clients as well.
4 Answers
What VDI tech or stack are you considering? We’re using Azure AVDs with Teams calling for offshore users making outbound calls, and it works pretty well. Management is straightforward, but ensure you have enough resources to avoid call quality falling off.
I’m not too familiar with Five9, but any softphone that doesn’t have a mobile app raises a red flag for me. Just a heads-up: VDI setups often end up being more costly than laptops. What type of device will users be using to access the VDI? Some thin clients do offload VOIP, which might help.
We’ve offloaded Ringcentral and Teams with plugins for our thin clients. VDI isn’t cheaper; it’s mainly for compliance. We have 350 users, and the offloading has really improved performance.
VDI tends to significantly increase costs. From what I’ve seen, it’s rarely implemented for cost savings.
Exactly! Especially in a Windows environment, the licensing costs and server expenses can turn out to be a headache. Adding VoIP on top might just be a recipe for disaster.
Honestly, most people don't save money with VDI. You might find some benefits, but cost reduction isn’t one of them.
Right? The complexity of managing VMs and infrastructure only adds to the expenses!

We’re finding it’s cheaper to go with high-quality laptops rather than sticking with VDI. We just couldn’t justify the ongoing cloud costs.