Helping our Partners build their business and revenue
3CX Asia/Pacific recently hosted a partner training day at Microsoft Australia headquarters in Sydney Australia. Partners were free to come to this whole day event and all parts …

Introduction
This chapter gives you an overview of how a call is established within 3CX and how you can trace through these steps by reading the server activity log. The Server activity log can be accessed …

All SIP Phone calls consist of 2 channels:

Messaging – SIP
Media – RTP

Messaging is carried using UDP or TCP (normally UDP) SIP packets – It is used for device registration, call setup/teardown, on-hold notification, call …

NOTE: This device has been tested for Fax Calls and Voice Calls using firmware 1.2.1.5. Grandstream firmware versions are typically available from: http://www.grandstream.com/firmware.html.
Depending on your geographic location and telecommunications provider, it may be necessary to …

This 10 minute presentation explains the unique selling points of 3CX – what makes our system different and what its key features are.

London, UK – February  17, 2010 -  Spitfire, the leading Internet Telephony Service Provider, has completed full Interoperability testing with 3CX and agreed to promote 3CX to Spitfire’s 200 strong partner channel. Spitfire has become …

Cisco SPA Phones have the ability to look up for phone numbers and contacts in an Active Directory/LDAP. For this a template needs to be created and  the Cisco Phones need to be re-provisioned with …

Introduction
This article describes how an extension or a gateway line registers itself with the PBX Server to make itself available for making and receiving calls, and how the PBX Server will register itself with a …

3CX partners with Avanzada 7 to bring windows based PBX to Iberia

London, UK, February 09, 2010. 3CX (www.3cx.com), the international developer of the award-winning 3CX Phone System for Windows has announced a distribution agreement with …

This YouTube video will explain step by step how to create a sample application. This first part shows how to design the main flow, while the second part shows how to design the error handler …