PRODUCT OVERVIEW

Grandstream
IP PBX

The Grandstream combines the control of an on-premise PBX with the robust features of a cloud PBX solution, creating an easy-to-manage hybrid communication system suitable for businesses of all sizes.

Grandstream IP PBX features

Enterprise-grade features with no licensing fees.

  • Up to 200 SIP trunk ports
  • Up to 200 concurrent phone calls
  • Auto-attendant with up to 5 levels
  • Voicemail
  • Voicemail to email
  • Fax to email
  • Call recording
  • Call park / call pickup
  • Call forward
  • Call transfer
  • Call waiting
  • Caller ID
  • Call history
  • Speed dials
  • Do not disturb
  • Ring groups
  • Schedules
  • Hotel/motel features
  • Busy camp-on/ call completion
  • Paging/intercom
  • Multi-language support
  • Call follow me
  • Feature codes & more

Grandstream system capacities

Use this chart to help build the system that best fits your needs.

GrandstreamSMALLGrandstreamMEDIUMGrandstream LARGENEC SL2100
TRUNK PORTS
Analog CO trunks2  built-in / 24 max4 built-in / 24 max8 built-in / 24 max 36 max
PRI channels72 max72 max72 max 72 max
SIP trunks 75 (no licenses needed) 150 (no licenses needed) 200 (no licenses needed)  64 (licenses required)
STATION PORTS
IP phones 500 built-in1000 built-in1500 built-in 112 max
Digital phones000 72 max
Analog (SLT) phones2  built-in / 500 max4 built-in / 1000 max8 built-in / 1500 max 96 max
DSS consoles 250 built-in250 built-in250 built-in 12 max
IP CAPACITIES
IP resources 500 built-in1000 built-in1500 built-in 128 max
CALL CAPACITIES
Concurrent Calls75150200––

Grandstream
phone system kits

Our Grandstream phone system kits are packed with custom features to save you time and money!

OUR KITS INCLUDE:

FREE priority tech support

Pre-programmed plug & play phones

Pre-loaded on-hold message

Newest system firmware

Installation hardware & instructions

Extended 3-year warranty

30-Day advance replacement

Grandstream IP phones and devices

Discover your perfect phone today!

Corded desk phones

The Grandstream GRP series of IP desk phones are easy to deploy, with a sleek design, simplified user experience, and powerful options.

  • 32, 40, or 56 programmable buttons
  • Built-in Bluetooth & Wi-Fi
  • Color LCD screens
  • Compatible with expansion consoles
  • Conference, call park/pickup, hold, transfer, call forward & more

Cordless phones

The Grandstream DP730 cordless IP phone is a high-quality DECT solution for businesses, warehouses, stores, and homes.

  • Pair up to 10 DECT handsets with just 1 base station
  • 150 feet indoor talk range
  • 40 Hours of talk time with full charge
  • Call transfer, call forward, call-waiting, DND, message waiting indication & more

Audio & video door phones

Grandstream IP intercom door phones are perfect for remote facility access control in buildings of all sizes.

  • Available in both HD video or audio varieties
  • Waterproof
  • Metal casing for vandal resistance
  • 2-Way HD audio

Grandstream expansion gateways

Expand the possibilities of your Grandstream PBX.

Analog line gateways

Designed to connect analog lines from the PSTN (POTS/CO) to the Grandstream PBX.

  • Expand in increments of 4 or 8 ports
  • Supports caller ID
  • Supports T.38 fax-over-IP

T1/PRI gateway

Allows integration of a T1/PRI circuit with the Grandstream PBX.

  • Supports 120 simultaneous VoIP calls
  • Supports T.38 fax-over-IP
  • Supports T1/E1 PRI circuits

Analog phone gateways

Connect analog devices, such as single line phones and fax machines, to the PBX.

  • Expand in increments of 16, 24, 32, 48 ports
  • Supports caller ID and advanced telephone features
​ 

​​Grandstream FAQ

Here are the most frequently asked questions about our Grandstream kits and services.

Do your Grandstream phone system kits include tech support?

Yes! Our Grandstream phone sytstem kits include everything you'll need to have a successful, pain-free installation!

  • Free 60-days of tech support! (remote-programming and live/phone support)
  • Fully assembled and rigorously quality tested
  • Pre-programmed with time saving, user-friendly features
  • Updated with the newest firmware version
  • Studio quality on-hold message
  • Installation hardware and wall template
Are your Grandstream phone system kits pre-programmed?
Yes!  Our Grandstream phone system kits come pre-programmed with our time-tested, custom default settings, so it's ready-to-use from the very first call!
  • Auto-attendant that is ready to answer calls
  • User-friendly phone function keys
  • BLF keys so users can see the status of coworkers
  • Park/pickup keys with pre-defined parking slots
  • One-touch voicemail pickup key and much, much more

Or, tell us how you want the system to work and we’ll program it before it ships!
Is the Grandstream compatible with analog CO lines?

Yes! Our Grandstream phone system kits come equipped for 2, 4, or 8 analog CO lines.

Can the number of analog CO lines be increased?

Yes! If more analog lines are needed, an Analog Line Gateway can easily be added to a Grandstream phone system to increase the number of analog CO lines. 


The analog lines can be increased in either 4 or 8 port increments. (max of 24 analog CO lines)

Is the Grandstream compatible with T1/PRI lines?

Yes!  A T1/PRI Gateway adds 24 channel T1 capability.

What is the Grandstream IP PBX's extension capacity?
  • The "SMALL"  2 CO Line IP PBX supports 500 IP or SLT analog phones.
  • The "MEDIUM" 4 CO Line IP PBX supports 1000 IP or SLT analog phones
  • The "LARGE"  8 CO Line IP PBX supports 1500 IP or SLT analog phones.


No additional licensing is required!

Is the Grandstream a good fit for nursing/assisted living, and hotel/motel sites that have multiple existing analog phones, or sites with multiple DID’s?
Yes!  Our smallest kits support 500 extensions.  Additional Analog Phone Gateways can easily be added to the system to accommodate the existing analog phones.

Analog Phone Gateways are sold in 16, 24, 32 & 48 ports.
Does the Grandstream have hotel/motel features?
Yes!  Features like wake up call, room clean, check-in/out, and phone call accounting are built-in with no additional licensing costs!
Can the Grandstream light a "message waiting" light on SLT analog phone?
Yes!  The Grandstream can light "message waiting" lights on analog phones.
This makes it a great solution for hotels, motels, or assisted living sites!
Is the Grandstream compatible with digital phones?

No.  The Grandstream phone system is only compatible with IP phones or analog single line (SLT) phones.


Installation note:
Every IP phone we offer has the capability of using a data cord from the back of any PC. Simply unplug the network cable from the PC and plug it directly into the phone's dual port gigabit connection, then back out to the PC (gigabit pass through means no data loss to the PC).


If there is no PC or data outlet in the vicinity of the IP phone, our IP phones also have built in Wi-Fi and can be connected to the network wirelessly.

How does the Grandstream PBX and IP phones receive power?
  • Each IP phone includes (1) AC power supply and is also PoE compatible
  • Our "SMALL" 2 CO line PBX  &  "MEDIUM" 4 CO line PBX include (1) AC power supply
  • Our "LARGE" 8 CO line PBX includes (2) AC power supplies for power redundancy
Can the Grandstream IP phones be powered through a PoE switch?

 Yes!  All of our Grandstream IP phones can run off of a PoE switch.

Does the system need to be connected to a LAN network?

Yes, a LAN network connection is required in order for the phones to "talk" to the IP PBX.

Does the system need to be connected to a WAN (internet) network?

No, however a WAN (internet) connection is required to remotely program the phone system via GDMS, or to use remote IP phones.

Do I need IT experience to install the Grandstream system?
Absolutely not! Our tech support will help you through the entire setup, and support you with any needed programming changes!
Does the Grandstream IP PBX need a static WAN IP address?
No, a static IP address from your internet provider is not required. However, you can use a static IP depending on your application.
Do you offer a Grandstream NFR demo kit for resellers?

Yes!  We offer a variety of Grandstream demo kits that our resellers can use for learning or training purposes.


Please call us at (984) 201-2000 and ask your sales rep for full details.

Is there a limit to the number of call groups?
The Grandstream IP PBX supports up to 50 call groups.
Does the Grandstream IP PBX support ACD?
Yes!  The Grandstream IP PBX supports ACD (Auto Call Distribution) and is included with no extra licensing required.
Can multiple Grandstream PBX's be integrated together while being geographically separated? (Like NEC SLNet)
Yes!  Multiple Grandstream PBX's can be integrated together, and is very similar to networking multiple NEC SL2100's, but no additional licenses to purchase!

  • VPN is recommended between sites
  • Extension series 1101+ at site A, 1201+ site B and so on
  • We recommend that each site has its own set of CO’s/SIPT/T1PRI lines, so that if a site goes down, the ability for other sites to make and receive calls will not be affected.
  • Each site will have its own auto-attendant and user voice mail boxes
  • IP phones can be placed at remote locations, however if the PBX goes down, all remote phones go down with it, because remote phones use the PBX to place calls.
Can calls be transferred to landlines or cell phone numbers?
Yes!  Calls can be transferred to a landline or a cell phone number.  However, two (2) phone lines will be used up during the duration of the call.

Does the Grandstream IP PBX support offsite remote phones? (Remote worker support)
Yes!  Grandstream IP phones can be placed offsite, to support remote workers.  

Important note:  If the Grandstream PBX goes down, all remote phones go down with it, because the remote phones use the PBX to place calls.
Does the Grandstream IP PBX have a mobile app?
Yes!  The Grandstream IP PBX includes FREE mobile and desktop apps for all users!

Calls over the mobile and desktop apps use one (1) line on the PBX.

Important note: If the Grandstream PBX goes down, the mobile and desktop apps will also go down, because the apps use the PBX to place calls.
Does the Grandstream IP PBX offer call recording?

Yes!  Call recording can be enabled for all phones, or individual phones.  The system can automatically record all incoming and outgoing calls, or recording can be on-demand by pressing a button on the user’s phone.

Does the Grandstream IP PBX have call accounting/reporting

Yes!  Basic call reports are included.

Does Grandstream have remote programming ability?

Yes!  Grandstream Device Management System (GDMS) allows you to remotely manage multiple sites from one singular portal. 


There is no additional cost to use the GDMS.

Will my existing paging equipment work with the Grandstream?
Non-VoIP paging equipment requires a VoIP page adapter between the Grandstream PBX and the non-VoIP paging equipment. 

For information about VoIP paging adapters, please contact your sales rep at (984) 201-2000.
How is faxing completed with the Grandstream IP PBX?

Faxing on a Grandstream is handled by utilizing an analog extension port. 


There also is a built-in virtual fax that can receive and email faxes to users.

What types of Grandstream phones are compatible with your kits?
All of the Grandstream IP phone models sold in our Grandstream store are compatible with our system kits.

If you would like to use a Grandstream phone not listed on our website, please call us at (984) 201-2000 and ask your sales rep about compatibility.

Shop Grandstream

Visit our Grandstream store for full product line and details.

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