Your company has decided it's time to add a VoIP phone system to the local area network. Since access to the traditional PSTN will still be needed an ATA will connect your company to that system. A gateway/firewall will connect your VoIP users to the internet. Your telephone and network people (staff or vendors) have drawn up a diagram showing where the people are, their phone numbers, the location of their network connections and the nearest available power outlets. Connections to special devices such as a FAX have been noted and relationships, such as who's phone forwards to a colleague or assistant, are also in the notes. That's great, because the number one criteria for bringing a successful a new VoIP system on line is getting organized before you start and staying organized through the implementation.
Unless your staff has the expertise and the extra capacity to do the install, configuration and testing themselves, you'll be working with at least one vendor, and possibly many vendors. Their accumulated experience can save big money and larger headaches. However, chose your partners in this endeavor with a careful eye to their longevity in the business, range of skills and past projects. Referrals and references are worth the time invested.
Some of the concerns you and your suppliers will address:
Though it could be daunting, you are embarking on a project which will bring new capabilities to your organization, offer greater functionality at a lower cost and bring new capabilities your staff can use to increase volume and profits.