After hours, though, it could be easier to send callers directly to a central voicemail box. This can work well for a small business that won’t need to field a lot of late-night calls.
However, many small businesses try hard to avoid any on-premises PBX components. That's partially due to cost savings and partially because the capabilities offered by all-cloud systems are more than advanced enough for their needs. Some virtual cloud PBXes, for example, can handle PSTN connectivity without any on-site hardware requirements. Make sure you ask any potential VoIP service providers about this before committing.

It delivers voice quality even under extreme conditions. By using a collection of advanced technologies, Ooma works to keep the conversation flowing.
By offering an alternative to call center fragmentation and cumbersome hardware, Talkroute aims to transform your smartphone into an all-round business communication system. You won’t have to purchase and maintain any additional equipment to manage your incoming and outgoing calls with Talkroute’s software. To make the most of its useful features such as call forwarding, menu prompts, and call transfers, all you have to do is download Talkroute’s virtual number app to your computer and/or smartphone.