Grandstream offers a full range of enterprise IP deskphones, and all of the current models feature HD audio so you can enjoy high quality voice calls. Therefore, you can definitely find one that best suits you. But it may be hard for you to choose one when there are so many options. So this blog post will briefly introduce several different models of Grandstream office phone and their features.

GXP1100/1105 

This is the most basic IP deskphone that Grandstream currently provides, yet it performs all fundamental functions. It supports up to 2 calls with 1 SIP account. It also gives you 7 dedicated functional keys and 4 programmable soft keys. You can also take advantage of advanced security protection for privacy.

GXP1160/1165

Being placed above GXP1100/1105, GXP116X series has a 128×40 graphical LCD, which gives you higher visual usability. Those two models also feature single SIP account, up to 2 call appearances, meaning you can answer an incoming call while you are already talking on the phone. In addition, 4 XML programmable context sensitive soft keys are also available for this series.

GXP1400/1405/1450 

GXP14XX series supports 2 lines with 2 SIP accounts. That means you can use 2 different numbers on one device. If you often talk to people in two different countries on the phone, you can alternatively use a number of each country so that you can call with a local number. Moreover, if you are the one who receives calls, the caller only has to pay by local usage rate. You can subscribe to numbers from a variety of countries using Hoiio SIP.

GXP2100/2120

For managers or executives who need multiple lines for their complex job, one of these models can be a good fit. GXP2100 and GXP2120 support 4 lines and 6 lines respectively. GXP21XX series also support 5-way conference. Therefore, it helps busy business people handle multiple jobs even with people in different countries. It also supports a range of advanced functionalities and performance including wide interoperability with 3rd party SIP devices.

GXP2200

GXP2200 is a unique and high-end, yet affordable enterprise multimedia phone for Android™. As for basic specs, it features a big capacitive touch screen TFT LCD, dual Gigabit network ports, integrated PoE and Bluetooth. It also gives you 6 lines with up to 6 SIP accounts, up to 5-way conference. But the greatest thing about GXP2200 is that it is an open sourced IP phone that supports Android OS 2.3. It gives access to a range of 3rd party applications, many of which are business-oriented.

Those are some of the main desktop IP phones of Grandstream. If you are to purchase any of those and get new SIP lines, go to Hoiio App Center for high quality, yet affordable SIP lines.