Question about Grandstream GXP-2000 IP Phone

2 Answers

My ip phone doesn't works


i have a problem with my phone

my phone is an grandstream gxp2000

the problem is the next

when i put the power supply in it

all the lights of my phone still on

and the screen dont show anything

i hope you can tell me what is the problem

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  • abhaychopada Aug 21, 2008

    how can one reset or install firmware

  • mx2boss Aug 22, 2008

    I have the same problem and I would also like to know how to install firmware... It seems impossible for me to access anything...

  • xerito May 26, 2009

    And how can upload a firmware new, or reset to the factory firmware.



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Posted on Dec 13, 2007

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Replace your power cable and you problem will be solved.


Posted on Nov 16, 2008


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Posted on Jan 02, 2017

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How to reset admin passwod gxp285

The default administrator password is "admin"; the default end-user password is "123".
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SIP Account Name: Vonage
Phone Number: xxxxxxxxxx (enter your Vonage phone number)
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I have the GXV-3000 IP Video phone, there is a RJ11 jack on the back. How do I use the interface? Connect to my phone line from ATT or connect to a regular phone (as an extention?)? Thanks.

A copy of the user manual for your IP phone is found here:

I have browsed through and found no mention of an RJ-11 port on the back, only two RJ-45 Network ports, one for connecting to a PC in switch mode and one for ethernet mode.

If your phone is different and DOES have an RJ-11 port (as some IP phones do), I can only assume it is to connect to a landline to offer landline services as well as IP services.

Under those circumstances of course DO NOT attempt to plug in your landline RJ-11 into an RJ-45, it will not work and you risk shorting something out.

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1 Answer

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If both phones are showing the same symptoms then it probably means that your DHCP server is down or not configured properly. If the phones are on a separate VLAN and you have recently upgraded or replaced your network switch then it could be misconfigured as well - specifically it may require you to configure a DHCP helper address.

Dec 16, 2009 | Grandstream GXP-2000 IP Phone

1 Answer

Trying to set the gxp2000 with 3cx pb x

Here is a step by step that is very good:

If you have any more specific questions, please let me know in a follow up. I just set up a 3CX system with these phones last month and it's pretty fresh in my mind.

Good luck!

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I have the same problem Did you get an answer. Verizon wants I should talk to there expertise tech for a fee. Did anyone try it?

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