Articles in VoIP How To
Five Questions to Help You Decide Which Telephone System Is Best for Your Business
There are various options in the market nowadays when it comes to business telephone systems; therefore it can be a challenge to …
As seen in a previous article, STUN protocol plays an important role in VoIP implementations: to discover the presence of NAT and to learn and use the bindings allocate to the client by the NAT. …
This FAQ explains how to configure your Patton Gateway for the first time by connecting it to the network, discovering it’s IP Address and then configuring the network settings. You will then be able to …
As seen in Part 1 of this article, STUN enables a SIP entity running behind a NAT to discover its public IP and what type of NAT is running on the gateway it is connected …
STUN stands for Simple Traversal of User Datagram Protocol (UDP) through Network Address Translators (NAT’s). Typically it is used in several different network implementations and scenarios, one of which is in VoIP implementations. Because of …
What every business needs to know about IP Telephony
Internet Telephony (IP Telephony) is the term commonly used to define the transmission of phone calls over the Internet. This is regardless of whether traditional telephony equipment, …
by Mike Deerfield, CEO, Deerfield.com
This article will discuss the benefits of IP PBX and 3CX, the various business opportunities available because of it, and how to identify what each 3CX customer needs.
While reviewing the emerging …
Once you decide to break your company free from a traditional phone system, one of things that make adopting IP Telephony attractive is the ability to use a VoIP provider to save on phone call …
The issues with Microsoft ISA server 2004 and 2006
Unlike most professional firewalls, Microsoft ISA server is not able to do static port mapping. Without static port mapping it is not possible to reliably connect to …
Please note that this information does NOT apply to V8. For V8, please go to this link: http://www.3cx.com/blog/releases/3cx-fax-update11344/
For those of you who have been dreaming about the possibility of receiving a Fax over a VoIP …
We often get asked if 3CX supports video. Yes it does! All you need of course is a phone that is capable of video, such as a Counterpath Bria. The phone must not be working …
For those of you who adore the Apple iPhone or even iPod Touch, it is possible to connect your iPhone to 3CX Phone System. It requires the purchase of a small SIP phone from Appstore, …
As with any application, a VoIP phone system needs to be secured, and this article outline some important things you can do to keep your phone system secure:
1. Install your phone system behind a firewall
The …
Whilst 3CX includes a good number of supported VoIP providers, it is impossible for us to template all the VoIP providers out there and to test them. If you have a VoIP provider you would …
We have created a new voice prompts sets for many languages – and more to follow! These are the ones we have just created / updated and are available today:
German (new)
French (new)
Swedish (new)
Dutch (new)
Danish (updated)
Italian …
If you are using a VOIP provider, then you will have to configure your firewall correctly in order to get reliable results. Your firewall must support STATIC PORT MAPPING.
3CX Phone System needs the following ports …
Article which explains how to index and search recordings
Introduction
Microsoft Exchange Server Unified Messaging communicates with a PBX via the SIP protocol. However:
1) Only TCP transport is used. UDP transport is not supported.
2) Microsoft Exchange Server does not support authorization. It works like a …
We have been performing a number of bench mark tests, in order to give 3CX users an idea what sort of memory and processing power is required by a 3CX installation.
First off – in many …
So you have installed 3CX PhoneSystem, your VoIP Provider account registers fine, a couple of test calls successfully prove that all is working. It’s now time to put things into production.
And as soon as you …
If you are using a VOIP provider, you will need to have a firewall that supports and is configured to use static port mapping. Static port mapping is required for RTP, the protocol that carries …
If you are using a VOIP provider, then you will have to configure your firewall correctly in order to get reliable results. Your firewall must support STATIC PORT MAPPING.
3CX Phone System needs the following ports …
Many time its handy to be able to boot up a portable SKYPE instance and call into the office. You just put SKYPE on a USB flash drive, insert this drive in any Windows PC and …
I want to start off by giving credit on this nice little piece of engineering to Worksighted systems engineer Matt Scott.
I want to start off by defining a remote extension as one that must exit …
Overlap dialing is required by CAS signaled lines. Overlap dial provides for a longer time-out period between digits, also called the inter-digit timer. With overlap dial set to off, the gateway expects to receive the …
