Current business needing to upgrade? Have 2 extensions and hope to grow to 100+? New business starting up and need an efficient phone system? Digital? VoIP? Analog? Not sure? Our representative will work with you to develop the system that will provide you with the productivity, efficiency and growth capability you need. ESI has the system for you!

Stanford Connections is an authorized dealer for ESI business telephone systems. ESI designs and manufactures innovative business telephone systems for workplaces like yours. These exceptional systems are easy to use, yet packed with advanced capabilities to enhance your competitive edge, and come in a wide range to fit any budget.

The ESI systems support analog, digital and VoIP telephones – all in one system. You can start with the newest technology or move into it gradually, whichever fits the needs of your business and your budget.

Our ESI certified technicians will install your system and work with you to modify the programming and software as needed to insure that the system is working as you need it to.

All systems come with a one year warranty at no charge to you. Maintenance plans are available after the first year and renewable on a quarterly basis – no locking your business into a lengthy contract!


ESI delivers the reliability, control and connectivity of a complete business phone solution. A hybrid cloud solution enables your business to be more agile, competitive and cost effective. Not ready for a full cloud solution? A hybrid approach keeps you in the game with new communication features plus can reduce the cost of your connectivity by up to 50%. Merge the power of an on-site IP-based phone system with power of SIP connectivity. Gain the benefits of the cloud and manage your phone system locally.



Local and long distance calling is unlimited within United States, Mexico and Canada.
Audio Conferencing services for conferences up to 15 participants, enabling you to collaborate quickly and make decisions faster.
Supports bursting to manage peak call volumes.
View caller name and number easily, enabling you to quickly determine how to handle the call.
Including single-DID (per trunk) and E911.


ESI Cloud PBX delivers an end to end communication experience like no other. From the desk phone to the desktop or any mobile device ESI delivers a single user experience across all devices leveraging the advanced features of the ESI phone and cloud PBX. Our phones are purpose built to work with our PBX solution making it the most integrated solution on the market. Our advanced feature set offers an intuitive approach to business communications that will drive productivity and efficiencies of any business. ESI delivers a smarter approach to business communications – making it easy to communicate anywhere, anytime, from any device.



View your voice mail, call history, contacts, and your colleagues’ availability as you manage your own — simply and at your fingertips — with your Web-based dashboard.
Sync your mobile device to your office phone and never miss another important call. Use Wi-Fi and mobile data instead of cellular minutes.
Quickly program and personalize your ESI phone from the dashboard and forget the complicated “star codes.”
View co-worker availability in the Contacts list using color-coded icons. Easily manage your own availability to add extra efficiency to your workday.
View your messages in your dashboard to more easily manage your calls.
Send secure, peer-to-peer messages to your directory contacts.
Click any number from your dashboard to call.
View and manage your contacts and easily import instantly from Google Contacts, Microsoft Outlook, and Apple vCard.
Access an automated help menu to quickly get the information you need with one touch.
Use up to three phones per extension so that your important calls reach you, no matter where in your workplace you may be at the moment.


Build your entire telecommunications strategy around one of the powerful ESI Communications Servers, knowing that they will easily adapt as your business needs change. The ESI-50, ESI-100, ESI-200, or ESI-1000 can support a traditional business phone system, a fully standards-based IP telephony system, or a combination of both. Regardless of the model, an ESI Communications Server is easy- to- use and feature-rich, allowing your business to communicate like a major player, enhancing your corporate image and projecting a larger organization to your clients and prospects. Unique integration capabilities mean call-processing efficiency at cost savings never before possible.



Perhaps our users’ best-loved feature, the help key on your desk phone provides you with one-touch access to information from the ESI Knowledge Base.
Extend your system’s SIP/VoIP calling functionality to your mobile device. Use Wi-Fi and mobile data instead of cellular minutes.
Not only can you see at a glance who’s calling, but ESI’s patented technology even stores caller information with each voice message for one-touch call return at any time
Allows you to forward an outside call directly with the caller’s Caller ID information, instead of yours, so the person receiving the message can easily tell who made the call.
The automated attendant offers six levels and 100 branches, so you can set up auto-answering that routes calls to just the right destinations. Overflow support for live answering means you can ensure that every call is answered.
Provide informative facts or timely promotional messaging to your callers while they wait on hold.
Streamlines incoming call handling, routing callers to the right person in the right department every time.
VIP7 is a feature-rich unified communications application that gives users simple, intuitive access to the tools they need. Users can easily view voice mail messages, calls, and chats, and access colleagues’ availability as well real-time views of call handling and service metrics.