3CX Release important security update to V9

We were delighted to see today that 3CX have released the following update today to improve the security features of 3CX.   The team at G7eleven have been asking for this change for ages, and 3CX – unlike many other VoIP system providers – have listened.

Blogpost from 3CX

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Some initial thoughts on 3CX V9…. coming from V8

We got a chance this evening to do some work on 3CX V9 RC.   Here are some initial thoughts.

 

First, Myphone does not use 5000 as its port anymore, everything is on 5481 (if using the new – not Cassini – webserver).   Therefore, if like us you are using the external name of your server to connect call assistant V8, the error message will not load as we only had port 5000 open.  First thing to fix that was get rid of 5000 in your firewall rules, and leave in 5481.

 

If you were using Version 8, and you upgrade, a must is to send your users the new welcome email, which includes a really nice feature to auto install and provision the version 9 Call assistant!   This really is very impressive!   No longer will you have the pain of setting up remote users!

One feature that seems to have gone missing (though I may simply be overlooking it) is the ability to send unanswered calls to one extension to the mailbox of a different extension.   3CX, if you are listening, please can we have that back?

 

Sad to see that there is not an embedded playback on the Myphone interface, nor a “playback on phone” option.   Hopefully that will make version 10.

 

Also very glad to see the new Snom 870 in the provisioning templates!   Video on the 3CX Phone also very impressive!

 

A full list of the new features is available here

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WiFi, 3CX and USA Biscuits

Some of our customers use WiFi extension handsets to make phone calls.


Recently, G7Eleven completed a large scale wired and wireless network installation for a College Campus and as part of this project deployment we implented a 3CX VoIP solution that takes full advantage of their new network.


The customer has twenty eight Zone Director managed RUCKUS wireless AP’s throughout their campus property and G7Eleven has limited their VoIP traffic to a special encrypted VLAN. All is working well except one major issue.


Sometimes during a call their WiFi phone roams out of coverage. This is a rare occurrence thanks to the excellent performance of Ruckus Wireless (www.ruckuswireless.com) but it does happen from time to time no matter how good the wireless coverage is.


This is a serious problem as 3CX does not disconnect the handset and the previously live phone call is not cleared by default until the system administrator intervenes and manually closes the call in the 3CX management console.


To make matters worse, when the WiFi phone re-associates to the wireless network it cannot make any further calls until the previous call has been manually cleared. The handset has no knowledge that it was previously on a call and fails to re-register back to 3CX properly and make further calls.


This was very inconvenient for the customer and needed a solution fast.


I therefore had a question?


“Is there a timer in 3CX or setting that I could change to clear the call in this circumstance?”


The answer when it comes to 3CX is of course “YES”


Check the Custom Parameter with name “SIPPINGPERIOD” in 3CX.


Normally this is disabled and when it is enabled it queries the handset so I set the value to 20 seconds. I did not want to set it too short in case the customer lost coverage for a short period of time, for example when they step into a lift during a call and then exit and reconnect to another AP then this call would continue perfectly.


I made a phone call from a WiFi Handset and while on a call placed the phone into a metal box (USA Biscuit Tin actually, aka high tech WiFi signal blocker and very yummy biscuits too..) and after 5-10 seconds the handset lost wireless signal. The call remained open on the 3CX system and after approx 20 seconds was cleared when 3CX SIPPINGPERIOD failed to get an answer from the handset.


Objective achieved. Hope this helps someone else.

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Why we do not suggest to use IAX2

Main reasons:

  • IAX2 does not return correct HANGUP CAUSE codes! So solving interconnection problems between servers can be difficult.
  • IAX2 can only use 1 thread – that means it can’t handle a lot of calls at one time.

Also:

All received packets go through 1 and only 1 thread because of the way that udp is done and the fact that they are all going to the same port. This means that for reception you can use 1 and only 1 core/cpu.


From a provider point of view this is not good.

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3CX v9 Beta 2 Released

Another Beta release from the guys at 3CX.  

 

We here at G7eleven will be sure to test this in house ready for rollout to our customers once 3CX release the final version.

 

The new features are welcome!

More details here:

http://www.3cx.com/blog/releases/3cx-phone-system-v9-beta-2/

 

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Portech MV372 and MV374 Inbound call failures to 3CX

Here is an interesting one that our install team found today that may be helpful to others.

 

We noticed that the new V9.x software on Portech devices does not work “out of the box” with the
3CX supported method documented here – http://www.3cx.com/voip-gateways/portech372.html

 

The Portech MV37x series has different motherboards dependent on the manufacture date.   Its
difficult to figure out what version is what, but if on your configuration pages for the portech you
see this:

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and not this:

 

08-04-2010 14-53-56

 

 

 

 

 

You need to make a change on your 3CX Server settings.   (Version 6 does NOT have this problem).

In 3CX, edit the MV37x entries and add the following to the Call Source Identification section:

 

Contact: Host Part                  “GWHostPort” gateway/provider host/port”

 

Then everything should work on the inbound calls for you.

08-04-2010 15-15-05

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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Configuring X-Lite with G7eleven

Detailed below are the settings required for G7eleven when using the X-Lite Client.


Display Name: Enter your full name here
Username: Enter the DEVICE UserID given to you by G7Eleven
Password: Enter the DEVICE Password given to you by G7Eleven
Authorisation Username: Enter the DEVICE UserID given to you by G7Eleven
Domain: sip.g7eleven.com (remember we need to allow your IP first)

Domain Proxy: as per below
Dialling Plan: as per below

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Voicemail Tab: as below

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Topology Tab: as below

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Presence Tab: as below

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Advanced Tab: as below

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Lotus Racing Formula 1 and 3CX

Impressive news from the team at 3CX.   Once again proving that 3CX is a solid and feature full product for even the most demanding uses.

 

From the 3CX official blog……

 

3CX appointed Official Technical Supplier

London March 24 – Lotus Racing and 3CX announce that, 3CX has been appointed as technical supplier and that Lotus Racing has installed 3CX Phone System in its technical centre and mobile race track operations. The popular VoIP PBX system will be used for each F1 race around the globe – providing the vital comms link between Norfolk HQ and the track team.

 

Commenting on this alliance, Lotus Racing Head of IT Bill Peters said “We needed a state of the art PBX that would deliver unified communications and high quality voice across the globe. 3CX and Lotus Racing clearly share the same ethos of excellence and success, with a winning attitude.”

 

Read more at the Full News Article on www.3cx.com

 

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3CX releases update to Call Assistant

24-02-2010 18-34-34Built in to the current release of 3CX is a great new feature that allows 3CX server to auto update all of the users running Call Assistant on your network.    Essentially, this means that your users always get the latest and greatest version of Call Assistant.

 

3CX just recently released an update to Call Assistant – Version 8.1114.

 

 

 

From their blogpost:

“This new 3CX Assistant build has improved updating functionality.

In addition,  we have improved the TAPI driver such that it supports other applications besides Microsoft Outlook. Any TAPI aware CRM package can now launch calls, and if it supports ‘inbound TAPI’, a pop up will show with a customer record, based on the incoming Caller ID.

Some of this functionality might require a reinstall (as it involves the updater), but in many cases you can deploy the Assistant update via the server. (The first time the Assistant will be updated, 2 updates will occur subsequently). The below is the full change log:

Added: New TAPI driver can send caller ID information to any CRM package that supports the TAPI standard
Added: TAPI functionality in SiP Forked ID scenarios
Added: Czech translation
Added: Option to remember selection to either Auto-update or Not to update on login
Added: Virtualization for permissions in Update procedure to make the update procedure more stable in low permission windows user accounts
Added: CRM Outlook add now now compatible with limited User accounts (Standard user)
Added: Ability to update 3CX Assistant when user has limited rights (Standard user) but specifying the local administrator password.
Added: 3CX Assistant now supports switching between users on Vista and win7

Improved: 3CX TAPI driver now supports both outbound and INBOUND notification
Improved: Installation procedure for users with limited rights (Standard users) in Windows Vista and Windows 7
Improved: Faster login of 3CX Assistant on some machines
Improved: Updating of 3CX Assistant is now multi-user aware. Even machines with multiple 3CX Assistant installs can be updated as well as 3CX Assistant installs with limited rights

Fixed: Tapi is now no longer enabled in the 3CX Phone System Free edition
Fixed: Some rare scenarios would cause the Assistant to get stuck
Fixed: 3CX Phone integration remained grayed in preferences even though integration was selected
Fixed: Cancel Button in assistant’s installation was not canceling the installation
Fixed: Installation issues in repair and modify

You can download the update here, or use the check for updates function in 3CX Phone System (providing you have the latest build)”

 

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G7eleven Trunk Update in 3CX

If you are running the most up to date build of 3CX version 8, then you need to also update the G7eleven trunk before connecting to our SIP trunk service.    Several improvements have been made by the team at 3CX to our predefined settings.

 

24-02-2010 18-28-37

 

Simply check the box, and update….    then add your trunk.   

Thanks to the team at 3CX for getting this update out!

 

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heartWhat our clients say?

G7Eleven have streamlined our clients phone system integrations... Apartment blocks, Hotels and Offices are no problem for them and the 3CX phone system.- Leo Colgan. Integrated Media Solutions
The team at G7eleven have implemented 3CX and provided us with lower cost VoIP calls. The long term savings for us will be huge.- Joe Young, Young's Nurseries
G7eleven have provided us with a solid VoIP solution for our thousands of customers. Their professionalism is outstanding!- Munster Broadband

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