However, it depends on the nature of the call center and how much you are willing to deploy. If it’s a small call center with less than 10 agents, you can certainly choose a cloud contact center, which can reduce your one-time investment and allow you to start with a low budget. whereas if you are a big organization with multiple shifts and a high number of agents, your data and information are very sensitive, an on-premises solution is always a good choice. You will undoubtedly require hard and virtual servers setup if you have made an investment in expanding. To summarize, physical servers are required for on-premises solutions, whereas cloud setup requires only agent-side accessories.
It’s totally taste and flavour sentiment based choice , but on technical ground we can distinguish on basis of setup of a contat centre like if you are startup with very less budget planning for a test run for short time period your choice would be cloud based contact centre as all cloud contact centre charges on basis of Monthly recurring so you have freedom to discontinue services at any point of time. On the other hand, if you are a well-structured organization and your contact center is a critical part of your business, On-Prime/In-Primises Solutions are always a good choice because they give you the freedom of safety, stability, security, and larger records.
It is a very tricky answer to give as it depends on the codec that you are using in your setup. On the basis of the standard codec G711 U Law, you need a minimum of 1 call at 100 kbps upload or download, but if you are using a speech codec or a mix of voice and video codecs, you need to increase your bandwidth allocation per call.