SBX IP 320: With the Vertical SBX IP 320,you get support for traditional endpoints, IP endpoints, and trunking in a single system. Which means you can deploy VoIP immediately or migrate at your own pace. Plus, the system can accommodate up to 32 users and multiple sites, so you enjoy pay-as-you-grow scalability. Leverage your investment by delivering voice and data over a single IP circuit. Or deploy telecommuter options without the expense of moving to an all-VoIP system. All of which is ideal for a growing business, because who knows where tomorrow will take you.
Comdial FXII As your organization grows, both voice and data communications become more challenging –– and more critical to continued success. The Vertical Comdial FX II Business Communications System enables voice communications to be transported and easily managed over data networks. A suite of messaging and call control applications enable unified voicemail and e-mail messaging, flexible call routing and reporting for single-site and multi-site organizations. The FX II is a hard-working business phone system that raises the power of communications to the next level and grows gracefully with your organization.
Comdial MP5000: The MP5000 is the ideal telecommunications solution for growing organizations with remote sites and road warriors, and with heavy intra-organizational calling and conferencing requirements. It’s easily administered from a single point and supports a broad spectrum of hard and soft endpoint mixes and advanced call handling applications. Add remote sites and users quickly and easily. Deploy advanced next-generation SIP and IP functionality, from peer-to-peer video calling to unified messaging, where it makes sense; preserve your existing telecommunications infrastructure where it doesn’t.
Norstar: Systems - Modular ICS
The Norstar Modular Integrated Communications System (ICS) is a key system designed for growing small-to-medium businesses and is expandable up to 248 ports. Advanced integrated applications include voice messaging, unified messaging, digital networking, enhanced call centers and speech recognition. The Modular ICS can grow with your business through the addition of trunk and station modules as you need them. 
DX 120: The DX-120 Business Communications System is designed to give growing enterprises all the sophisticated communications features of big-company digital systems in an affordable, easy to use and highly scalable package. The DX-120 system includes desktop and cordless speakerphone endpoints, a reception console and a comprehensive feature set of nearly 200 functions previously available only on high-end PBXs. It supports both T1/ISDN-PRI and analog trunking, conferencing, powerful voicemail and auto-attendant options and remote configuration. The DX-120 system delivers enterprise-grade productivity without the complexity, cost and management responsibilities of a larger system. Its modular architecture and both analog and digital trunking (T1 and ISDN-PRI) enable small enterprises to get started today with a reliable digital communications solution with the assurance that it can be expanded to grow in step with the business. Administration is fast and easy with the modem options, which enable remote access and configuration of system parameters. Growing your communications system to keep pace with the success of your organization has never been so easy — or so affordable.