VoIP service to work brilliantly a good and reliable internet connection should be in place. Well that is true, however the question is what is considered a good and reliable internet connection and how do you determine what bandwidth you should be getting to accommodate a cloud PBX office telephone system for your business.
VoIP telephone systems also include "Virtual PBX" systems that offer features above and beyond those of a traditional analog office PBX system. For example, Virtual PBX systems offer digital voicemail service. You can also visit http://yoozoom.co.uk/hosted-pbx to know more about Voip telephone systems.
Digital voicemails can be automatically transcribed into text documents and emailed to their intended recipients in your office. Additionally, digital voicemails can be saved on online "cloud" storage websites, an accessed anywhere internet connectivity is available.
With VoIP, current and prospective clients can call one number to reach you and your disparately located partners and employees. This provides a more professional and impressive experience for the client. VoIP telephone systems can allow your small business to pose as a much larger, more cohesive company.
Apart from that other considerations should also be taken into to account like the distance of your office from the exchanges, the quality of your modem, your router and how traffic is being prioritized on your modem.