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grandstream

3CX Selects Grandstream IP Phones as Preferred Phones for 3CX Phone System v10

June 6, 2011 - 8:37 pm | 5 Comments

3CX Phone System v10 and Grandstream deliver on strategic cooperation with completely integrated, best in class and best value PBX solution. London, UK and Brookline, MA. USA, June 6th 2011 – 3CX, developer of the award-winning Windows VoIP PBX 3CX Phone System and Grandstream Networks, the leading manufacturer of IP voice/video telephony and video surveillance solutions, today announced they completed interoperability testing for 3CX Phone System version 10 and Grandstream’s

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Fax Machines with 3CX Phone System and Grandstream GXW-4004/4008/4024

April 5, 2011 - 10:56 pm | 5 Comments

IMPORTANT: This device has been tested for Inbound and Outbound Fax with the following firmware version: Program – 1.0.3.10; Bootloader – 1.0.0.7; Core – 1.0.0.54; Base – 1.0.0.97 Note: This functionality is intended for use with inbound and outbound faxes using a T.38-capable PSTN Gateway as a Trunk Connection. Functionality with VoIP Providers is dependent on a large number of factors, and frequently not possible. For more details on this,

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Can I exchange a Fax between a VoIP Provider and a Grandstream GXW-4004/4008/4024?

February 7, 2011 - 10:41 pm | 0 Comments

It is not possible to use Grandstream 4004/4008/4024 as an ATA for a fax machine and send faxes through a VoIP provider, unless the VoIP Provider includes support for delivering T38 traffic to the Public IP Address in the packet header, rather than the Private IP Address declared by the Grandstream in the SIP/SDP packets it generates. Without this support from the VoIP Provider, this functionality is possible only if

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Upgrading the firmware of IP Phones network-wide with 3CX v9 SP4

December 2, 2010 - 8:00 am | 19 Comments

3CX Phone System Version 9 features the ability to easily upgrade your IP Phone’s firmware network wide. This is done using the Phone Provisioning node located in the “Settings” section. Pre-requisites Download the latest firmware available for your phone model. It is recommended to use 3CX Tested firmwares 3CXPhone System Version 9 SP4 and up is required You can upgrade firmwares for the following phones – click on each link to

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How to make a blind and attended transfer with Grandstream

September 1, 2010 - 2:33 pm | 2 Comments

In this example we will demonstrate how to perform a blind and attended (consultative) transfer using a Grandstream GXP2020. We will assume that an incoming call will be received on the Grandstream phone which is registered to Extension 101. Note: A Blind Transfer is a transfer to another extension without actually initiating a call to the end destination. The call is blindly transferred to the destination. By comparison, an attended

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Re use analog phones with a Grandstream GXW 4024 FXS gateway

January 16, 2009 - 12:46 pm | 0 Comments

Reducing VoIP PBX cost by using existing analog phones

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