Leading Innovation

Headquartered in Boston, Mass., Grandstream is a forward-thinking company focused on research and development to deliver the most innovative products to the global market.  Grandstream products are held to the highest standard and designed based on the needs of the market with our customers in mind, then manufactured with high-quality material to provide customers with top quality solutions.

Unbeatable Reliability

Grandstream has been connecting the world since 2002 and these solutions are relied on by businesses in over 150 countries around the world. We not only pride ourselves on providing reliable products to our customers, but also provide our partners with top-notch support, technical training, sales training, and more. Grandstream is a company that customers can rely on and depend on.

Wired or Wi-Fi

With Grandstream, you can select wired or wireless phones — whichever best fits your needs and installation situation.  As features are used the same on either, training is easy and consistent.

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Room to Grow

Protect your investment with a system that grows as your business grows.  Begin as small as 1 site with 2 lines and 2 phones, expandable to multiple sites with up to 1000 phones all working together.

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Real Buttons

Manage multiple calls easily with buttons and lights for each line — know who is calling, who is on a call, and who is on hold — at every desk or wall-mounted phone in the system.

Call Queuing

Receive more calls than you can answer? With optional call queuing, Grandstream can answer and ask the caller to wait on hold or offer options to direct their own call to an extension or voicemail.

Meet Me Conference

Host multi-party conference calls, anytime you need it. Determine if the call will be a webinar style with only one speaker or an open group discussion, then e-mail out the invites!

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Instant Messaging

Communicate by text from your PC and get instant answers from colleagues without ever asking your callers to hold or using intercom with the Wave app for smartphone or computer.

Best for Cordless

DECT wireless handset connectivity allows you to receive calls wherever you are on the premises.  Also, switch easily between desk phones and portable devices during conversations.

Smartphone Integration

There’s no need to have multiple contact numbers for people who also use a cell phone.  Integrate cell phones with your communications system and use them like office extensions.

Simplified Maintenance

With its built-in web browser programming interface, you or our technicians can easily, and often remotely, make any programming changes whenever needed.

Call Recording & Storage

Optional call recording allows you to choose to push a button during a call to start recording when needed or have all calls automatically recorded.

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Live Monitoring

Managers are able to silently listen in on active calls to monitor employee performance or jump-in to help someone new in training.

Click to Call

Integrate with Microsoft® Outlook® allowing users to easily dial contact phone numbers, receive incoming call pop-up alerts, drag-and-drop conference call management.

 

GXV3380
Android 7, 2MP Camera, 8″ Touchscreen, Bluetooth, WiFi

 

GXV3370
Android 7, 1MP Camera, 7″ Touchscreen, Bluetooth, WiFi

 

GXV3350
Android 7, 1MP Camera, 5″ Touchscreen, Bluetooth, WiFi

 

GSC3570
7″ Touchscreen, Intercom & Facility Control Panel, WiFi 

GRP2616
Dual LCD, 6 Lines & 8×6 Buttons, Bluetooth, WiFi

 

GRP2615
10×4 Buttons, Bluetooth, WiFi

GRP2614
Dual LCD, 4 Lines & 8×5 Buttons, Bluetooth, WiFi

GRP2612W
4×4 Buttons, 10/100, WiFi

DP730 Cordless
HD Audio, 2.4″ Color LCD, 40-hour talk, Push-to-Talk, 3.5mm Headset

DP722 Cordless
HD Audio, 1.8″ Color LCD, 20-hour talk, Push-to-Talk, 3.5mm Headset


GBX20 Expansion
20-Button Add-on Module

GUV3005 HD Headset
Noise Canceling, USB

There’s so much more to Grandstream

Connect with us to find out if Grandstream is right for your business.

You’re one step away from seeing why this is considered the most reliable on-premises Unified Communications phone system solution for small and medium size business. All we need is a little information to get started, and we’ll contact you shortly.

What Our Customers Discovered

Don't just take it from us, let our customers share their success story!

"When a patient will call our Belleville office rather than our Mt. Vernon location, instead of asking them to hang up and dial another number (hoping we don't lose that new client), we can now just transfer them to the other office without their ever knowing the difference."

Mary Barr

Periodontics of Southern Illinois

"I have worked with Matt and his firm for a number of years. His service and attention to detail are some of the best I have experienced. He is always open to ideas and is very willing to act on good ideas. It is a pleasure working with him and his company. Highly recommended."

Rex Klein

Barryhund Administrators, Inc.

"In the 10 years that I have had the pleasure of working with Phonewire, I have seen the business grow and differentiate itself from the rest. Matt works closely with customers to find a solution for their needs. The commitment to his work and to his clients is a true testament to his success."

Holli Hulett

Teledynamics, LLC

Frequently Asked Questions

What's the warranty?

With a 1-year limited warranty from Grandstream, you can focus on growing your business.  If you decide to rent your phones from us, the warranty is extended during the entire rental period.  Optionally, the warranty on purchased phones can be extended for a very small cost by request on the original purchase date.  Ask us to include the Extended Warranty option in your proposal.

Can you install it for me?
Yes.  We have a thousands of qualified installers available throughout the United States to install it all — headache free.  Alternatively, some customers choose to install the system themselves with our “remote programming and initial configuration setup” option instead.  It’s entirely your choice — whatever option fits you best.
Do these phones work with headsets?

Yes.  You can easily connect a wired or wireless headset to any of these phones.  Some phone models also provide built-in support for any standard Bluetooth wireless headset.  Ask us to include the number of headsets you need to your proposal and let us know if you’d prefer wireless or wired.

Can I page through the phones?

Yes.  Paging is supported to allow you to announce your one-way voice message to any group or all phones.  And, optionally, Grandstream allows you to create a two-way paging group that turns on all microphones and speakers for instant hands-free answer-back to your group announcement.

Can I forward, answer, or transfer calls to a cell phone?

Yes.  And when you use the optional Smartphone Mobile Phone App for Android or iPhone, you’ll have the ability to place the call on music-on-hold, transfer the call to any other user, send the caller to your voicemail (or someone else’s voicemail), or enable immediate call recording.

Is this system compatible with provider X?

A Grandstream solution can integrate with any telephone service provider that offers PSTN (or POTS) analog or PRI (digital) telephone lines, or you can choose to have us host the phone system solution as a service in the cloud.  Contact us to discuss and if you have any questions.

What about regular maintenance and support?
Phonewire is a certified partner with best-in-class product support team.  When you purchase your system, you can optionally purchase a support plan to make sure you keep your new business phone system running smoothly with all the latest features and software upgrades.
Do you offer financing options?

Yes, we do offer financing through our select lenders.  Our attractive financing options make Grandstream an easy to implement solution within consideration of your available budget.  Our proposal/quote will typically include one financing suggestion, but please do not hesitate to express your interest in other financing options so we can explore which program would be the best fit for you.

Have Questions?

Our Expert Engineers help you decide with confidence.

Buying an office phone system can be complicated, but your personal Phonewire expert is ready to help, using their in-the-field experience and expertise.  Our goal is to provide you with helpful advice and products we know you'll love.  No project is too big or too small, we're here to help!

 

Call 1 (877) 877-9473 or Get a quote.