GXP2000 .: Broadband Routers Knowledge Base

What are the differences between the BudgeTone Series and the GXP2000?
The GXP2000 SIP Enterprise phone has more feature functionality than the BT Series. ...

What Codecs are supported by the GXP2000?
The GXP2000 supports a wide range of Codecs: PCMU or G.711(a/µ law)

How many VoIP accounts can I have on the GXP2000?
The GXP2000 IP phone is capable of having a maximum of 4 different SIP (VoIP) Accounts....

How can I configure BLF (Busy Lamp Field) on the 7 speed dial buttons of the GXP2000?
The Speed Dial buttons can also be configured for Asterisk™ BLF feature which allows...

Can I display any custom text along with my extension number on the phone LCD?
Yes, any text entered on the ‘Name’ field along with the ‘User ID’ will be displayed on...

Can I enable/disable recording of missed calls?
Yes, on each Account Page, there is a field for ‘Disabling Missed Calls’. If set to...

Does the GXP2000 have ‘intuitive dialing’ and call log for previously dialed and received calls?
The GXP2000 has a call log with only last 20 records stored and will be reset once the...

How do I use the paging or intercom feature on the GXP2000?
On the Client side, the following two fields (Account Page) need to be set to...

How do I make a call using the IP Address only?
This phone has the ability to dial an IP address under the same LAN segment by simply...

How do I ignore an incoming call?
Yes, if you press the MUTE/DEL key whilst receiving an incoming call, it will be...

Does the GXP2000 support PoE?
Yes, the GXP2000 supports Power over Ethernet It can accept either pins 7/8(+), 4/5(-)...

Does the GXP2000 support Distinctive Ringtone using ALERT INFO method?
The GXP2000 supports the Alert-Info mapping to the 3 custom ring tone files. For...

How do I configure my GXP2000 for Daylight Savings?
The "Automatic Daylight Saving Time Rule" shall have the following...

How Do I Configure GXP2000 for 3CX Phone System?
Configuring GrandStream GXP-2000 for 3CX Phone SystemEnsure that you have created the...

How do I know which firmware version my Grandstream phone is running?
There are two ways that you can see your phone's firmware version: 1) Using...

How do I set my TFTP server on the phone?
There are 2 ways to set up your TFTP server.1. Using the phone's web page.2) From phone...

How do I update my GXP2000 Firmware?
1. You can download the firmware from our website at www.grandstream.com/BETATEST,...

What is the best codec for my GXP2000 phone?
By default, PCMU (G711u) will be used. Both PCMU and PCMA will give you toll quality...

What number should I use for "Voice Frames per TX"?
It depends on what codec you choose and balance between bandwidth utilization and...

What is STUN? Should I use STUN?
STUN stands for Simple Traversal of UDP over NAT. It is a protocol which enables an IP...

What is an text Outbound proxy? Should I put an text Outbound proxy in the field?
An Outbound proxy is mostly used in presence of a firewall/NAT to handle the signaling...

What is the difference between "User ID" and "Authentication ID"?
User ID is the user part of the SIP address of the phone and this is usually the...

Why does my phone's LCD keep lighting up without showing any date?
The most possible problem will be that the phone is not getting responses from the NTP...

How do I resolve a symmetric NAT router issue, is there a way to know if I have that issue ?
Usually symmetric NAT issue can not be resolved using STUN detection mechanism which is...

How to reset my Grandstream phone to factory default setting?
1. Set up the phone to have NO TFTP server and then boot without network 2. Press the...

Can we use the web interface for configuration from a different LAN segment than the IP device?
No, the IP device has to be in the same LAN segment as the computer.

Is it possible to change the on-hold music on Grandstream phones?
No, The hold music is determined by the provider or your Asterisk Server.

How do you turn up the volume on the GXP2000?
The GXP2000 has cursor buttons on the top right hand corner of it's phone. While on a...

How do I make a three way call?
To make conference (three-way) calls: with one party on hold and one active call, press...

What are the firmware release notes for the GXP2000?
1.1.5.15 11/23/2007 StableAvailable for download from the