Avaya and Grandstream have best on premise VOIP / Digital systems options to choose from. Although the on-premise phone systems come with a upfront cost to set up the service, they are still recommended because of the reduced risk of security issues and the large degrees of customization. Over the long run it save lots of money for some business. Before making the decision between on premise phone system vs cloud, it is important that you compare the benefits, features, pros and cons of both so you can make the right choice depending on the needs of your business. Some people assume that on-premise phone systems are outdated and no longer have any sort of VOIP features and benefits;
Many phone system has most of the features as Voip solution.

To discuss and your requirements and options feel free to contact us