Limits
How much does it cost to license the mobile/soft clients?
Nothing, this is included in the solution.
How many users/extensions can I have?
The number of users or extensions you can have depends on your PBX Blue plan, your chosen numbering scheme, and fair‑use limits defined by our underlying PBX platform (3CX). While your numbering scheme determines the technical maximum (for example, a 3‑digit numbering plan allows up to 1,000 extensions), 3CX licensing applies a fair‑use policy that links the maximum number of extensions to the number of simultaneous call channels licensed. Extensions are therefore not unlimited and must remain within reasonable ratios relative to call capacity. Most businesses fall comfortably within these limits. However, environments with a very high number of users compared to the number of concurrent calls required may need a larger license tier or may be subject to adjusted pricing to remain compliant with fair‑use requirements. If you are planning a deployment with a large number of users, shared phones, room extensions, or low call concurrency, our team can help you size the solution correctly and advise on the most cost‑effective option.
Are there any limits to the number of Ring Groups, Call Queues, Auto Attendants (Digital Receptionists) that I can have on my PBX Blue Cloud Hosted PBX?
No, you can have as many of these as you like.
Can I send and receive faxes via 3CX?
Yes, you can receive and send faxes with 3CX. Faxes are delivered to your Inbox as a PDF attachment. They can be sent using an adaptor plugged into your existing fax machine.
Can I bring my own SIP Trunk?
No, PBX Blue provides its own SIP Trunk as part of its solution. Whilst numbers are ported to our system, we will support your old trunk to eliminate any migration glitches.
Can I use my existing VoIP phones?
Yes, if they are supported by 3CX. Please refer to https://www.3cx.com/sip-phones/ (opens in a new tab) for a list of supported phones. Phones with only legacy support will be best effort only and may require additional infrastructure to properly support them.
Can I use the PBX Blue system with an ADSL Internet connection?
No, unfortunately not. ADSL is not appropriate for business grade VoIP systems. At a minimum, you would need an NBN connection. Better still is MBE, Fibre or Fixed Wireless Internet.
How long does it take to port my existing numbers?
This can vary from one week through to a month or longer. A lot of this will depend upon the losing carrier (some of them can be very difficult to deal with) and also whether you need a simple (CAT A) or complex (CAT C) port. During the porting phase we can present the correct caller ID on outbound calls, even before the porting is complete so there is no interruption to your business.