PBX (Private Branch eXchange)
A phone switch located at the customer’s premise. A PBX comes in many sizes, from 2 lines to thousands of phone lines. Common features can include an ACD for call distribution and IVR that can process incoming phone calls prior to routing to call stations. Some PBX’s support outbound dialing protocols such as autodialing, progressive dialing and predictive dialing. A PBX usually has many more features than a standard phone system.
A Hosted PBX (sometimes called a Virtual PBX) offers similar functionality and features, but the switching is located a central location and only the phones are at the customer site.
What is a PBX?
A PBX, which stands for “private branch exchange,” is simply a way for a telephone system to have internal switching. It’s mainly made up of a variety of different telephone system branches that are linked together and allows connections to be made in between them, which causes the telephones themselves to be linked together.
What are PBXs used for?
A company will generally have a ton of phones, often one for each worker. Rather than getting a separate phone line for each one of these, they utilize a PBX in order to link all of their internal phones together to be used to link to the external world in a much more efficient capacity. It allows a variety of people to use just one line, which allows the company to have one phone number to connect with to the outside world.
A PBX vs a Phone
A PBX is not the same as a traditional phone. The numbering format is not the same, as it uses an internal numbering system specific to that business. If you’re inside a PBX, you’ll only need to dial a three or four digit number to make another call within the network. These are what are referred to as ‘extensions.’ If a person were to call into the system from outside, they’d be able to reach the person they want to speak with directly by dialing an extension after the overarching business number.
The Main Roles of a PBX
To ensure that resources are kept in order to keep connections in the same place.
To create connections by acting as a switch between telephone users.
To record any data associated with a call, such as quantities, call volume, metering, and statistics.
To correctly terminate a call once one of the users hang up the phone.
Functions of a PBX
- It allows a company to have one single phone number that people can use to contact a number of different internal representatives.
- It uses an automatic call distribution (ACD) feature, which allows calls to be distributed evenly amongst the various employees of an answering team.
- It can provide automated call answers and provide anyone calling in with a number of menu options that’ll be used to select which department or extension they want to go to on their own.
- It allows for automated greetings that are customizable.
- It provides a host of management features.
- It allows providing custom music to callers that are on hold while waiting for an internal employee to answer.
- It can be used to record separate voice messages for each extension.
- It allows internal calls to be made in between stations.
PBXs have been around for a long time, as they were originally created during the age of landline telephone systems. Today’s technology allows has made it so that PBX systems can be used by Voice over IP (VoIP) services using IP PBX (internet protocol private branch exchange).
Before this time, PBX systems used to only be something that larger companies could have, but with the rise of the internet, virtually any sized business can afford to get the same benefits of a PBX system. Some money will have to be invested up front, but it allows smaller businesses to utilize a host of great features and also look much more professional.
The main things that IP PBX systems bring to the table is scalability, enhanced features, and better management. Since IP PBX systems are based around software rather than physical devices, it’s much easier to upgrade and move than earlier PBX systems.
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erwabo 2016-06-15 15:24:22 UTC #1
I have had this PBX up for years using the GV Motif module and it just decided to disconnect. Password is correct. My log file is filled with this:
[2016-06-15 10:16:36] ERROR res_xmpp.c: TLS connection for client ‘xxxxxxxxx’ cannot be established. OpenSSL initialization failed.
[2016-06-15 10:16:36] WARNING res_xmpp.c: Parsing failure: Hook returned an error.
[2016-06-15 10:16:36] WARNING res_xmpp.c: JABBER: socket read error
I haven’t made any changes to router, firewall or anything and haven’t updated FreePBX modules. any ideas. Thanks
jfinstrom (TheJames) 2016-06-15 15:52:19 UTC #2
jfinstrom (TheJames) 2016-06-15 15:57:36 UTC #3
Based on a post on dslreports xmpp auths are now all broken and you must use oauth2. This requires patching asterisk. The only way to use GV without patching asterisk is to use a gateway service
erwabo 2016-06-15 16:05:26 UTC #4
Interesting. well it just decided to show connected again, however only outgoing calls work. Incoming calls go to Google Voice and are not forwarded to Asterisk box. Is this change recent?
jfinstrom (TheJames) 2016-06-15 16:07:40 UTC #5
I don’t use GV but started seeing complaints yesterday.
erwabo 2016-06-15 16:22:08 UTC #6
Hmm, yeah im not 100% sure whats the issue. I can make outgoing calls, any softphone client on a desktop or smartphone will register and make ext-ext calls no problem as well as outgoing. Just incoming doesn’t work, and when I do call my GV number, it redirects to another number that then leads to my Google Voice voicemail. Not real privy on Asterisk so not even sure how to check oAuth version. I do know its 11.4
jfinstrom (TheJames) 2016-06-15 16:34:08 UTC #7
oauth2 is not supported by asterisk upstream. It is a patch people add.
erwabo 2016-06-15 16:35:24 UTC #8
Ahh,well if the issue was oauth2, wouldn’t that prevent PBX from even connecting to GV? Its connected now, just incoming not being forwarded
erwabo 2016-06-15 16:44:31 UTC #10
So interesting, I left myself a message and the GV service actually called in on my GV number to let me listen to the message, so the incoming call directly from GV worked.
erwabo 2016-06-15 17:02:54 UTC #11
Well must have been something with Google. I did another reboot of Asterisk and now its all working again. So I guess problem solved =)
billsimon 2016-06-15 17:15:56 UTC #12
Sorry, I don’t really know anything more about it, except that yesterday/today’s issue seems to have affected Obihai and Asterisk equally and there are a lot of inconsistent reports about how the problem was resolved.
The error message at face value seems to point to a TLS incompatibility, as though Google were enforcing a more strict TLS scheme and the client side has an older OpenSSL implementation that is not compatible. That hypothesis would line up with Google’s usual push for stronger, more secure encryption, but there is no proof that this is the case.
The other thing we saw while troubleshooting it on the PIAF forum was users only being offered OAUTH2 as a login method — user/pass (“plain”) login was not being offered in the XMPP handshake.
It’s not known whether people resolved the connection problem through various updates or it went away on its own (i.e. Google did something, or it was a temporary error on some of Google’s XMPP servers).
isb (Isb) 2016-06-23 21:52:14 UTC #13
We are having the same issue. Google voice showing disconnected. Password and everything correct. I don’t see a module update for Google voice motif in freepbx.
Any assistance would be greatly appreciated.
cynjut (Dave Burgess) 2016-06-24 13:41:36 UTC #14
The obvious solution is to switch to something that is actually a VOIP connection. There are lots of inexpensive VOIP providers that compete favorably with Google Voice and don’t limit what you can do through their EULA.
I usually recommend the two providers I use for outbound (Alcazar Networks and CallWithUs) and the one I use for inbound (Voip Innovations). Of course, SIPStation (the sponsor of the forum’s service) is an excellent choice.
Google has made it clear that they aren’t interested in support the PBX community with free phone services. At some point, they are going to start hammering on people that allow people to abuse their services. If I was Bill, I’d say “nope, sorry. Google doesn’t want people to connect their PBXes up to GV anymore and I don’t want to be sued.” I’m not, of course, so Bill is absolutely encouraged to do whatever his heart desires.
isb (Isb) 2016-06-24 17:17:30 UTC #15
Thanks. We have other paid sip providers but use this for something else.
anyway, does anyone have an update to the issue going on? Hearing a lot of OBI devices are impacted as well, but some are able to restore service after upgrading firmware.
billsimon 2016-06-24 21:16:30 UTC #16
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Hosted PBX, also known as Virtual PBX and Cloud PBX is a highly scalable, IP-based communication service that routes calls over the Internet and allows multi-location businesses to simplify their communication and reduce the capital expenditure.
Virtual PBX solution uses a single terminal to manage all telephone business lines without making any alteration in the existing setup. There is no need to establish a new physical set up, virtual PBX service offers a plug-and-play system that helps you structure customized call routing solution for directing calls from any location to any department or agent’s extension whether it is a personal mobile, desk phone or desktop. Mobile users can take leverage of smartphone apps to replace smartphone’s ID with company’s caller ID and in-house employees can use VoIP desk phone or softphones to make and receive calls via cloud PBX.
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Le PBX est l’élément principal de la communication d’entreprise. Le Système Multimédia Wildix est un PBX fiable, facile à configurer localement ou à distance .
Nos modèles sont similaires en terme de qualité, mais se différencient par le nombre maximal d’utilisateurs enregistrés et le nombre d’appels pouvant être gérés simultanément.
Un PBX peut gérer de 8 utilisateurs jusqu’à 5000 (selon le modèle)
Modèles PBX Wildix
Archivage de données
La Clé Wildix USB de Stockage 2GB est résistante aux températures élevées. Son fonctionnement supporte une température jusqu’à 85 degrés, elle est fabriquée en aluminium, cela garantit la protection sécurisée des données et l’utilisation à long terme. Elle permet jusqu’à 100.000 cycles d’écriture / effacement et lecture de 22MB/sec / écriture à vitesse de 18MB/sec, grâce à la technologie NAND Flash .
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Read: 22 Mbytes/ Second max
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Ayant toute confiance en la qualité de nos produits et pour le démontrer à nos partenaires et clients finaux, Wildix a decidé de porter la garantie de son matériel à 5 ans.
Pour activer cette garantie il vous suffit de nous fournir le détail des produits achetés (nom du produit, numéro de série, adresse MAC..) accompagné des preuves d’achat.
Système de gestion Wildix WMS 3
Tous les PBXs Wildix sont fournis avec l’interface administrateur Wildix Management System (WMS). accessible via le navigateur.
L’interface graphique vous permet d’activer et de gérer tous les PBX (en Réseau WMS, pour les entreprises internationales et les multi-sites), ajouter des utilisateurs et modifier leurs préférences, ainsi que configurer tous les dispositifs appartenant à votre réseau, y compris ceux distants, grâce au système d’auto-approvisionnement .
Toutes les applications sont intégrées dans un seul environnement d exploitation et sont disponibles pour tous les utilisateurs du système.
Il est possible de virtualiser WMS.
Le système Wildix peut être installé sur des machines virtuelles hébergées sur un serveur à distance, offrant plus de flexibilité de configuration.
Wildix propose un système flexible et évolutif qui s’adapte facilement aux besoins de l’entreprise.
Vous pouvez connecter vos PBXs Wildix via le Réseau WMS, un réseau de communication qui ne tient pas compte des distances, et qui permet aux utilisateurs de communiquer comme s’ils travaillaient tous au même endroit .
La base de données des utilisateurs du système Wildix réside en une base de données LDAP distribuée, ce qui permet de construire un réseau sécurisé et efficace. Chaque utilisateur peut être associé à n’importe quel PBX sur le réseau, grâce à la copie du profil utilisateur (profil itinérant), il peut facilement se déplacer entre les sites sans changer son numéro de poste et préférences de l’utilisateur.
SERVEUR FAX + SMS
Vous pouvez envoyer et recevoir des fax facilement et rapidement comme s’il s’agissait de simples e-mails.
Chaque utilisateur peut avoir son propre numéro de fax. Les fax qui vous sont adressés vous seront livrés directement à votre e-mail.
Le Serveur Fax Wildix apporte d importantes économies sur les coûts du papier et de toner en vous permettant de réduire l impact négatif sur l environnement.
- Les notifications automatiques sur le résultat de la transmission de fax
- L archivage de fax en format numérique pour le stockage et la récupération plus faciles
- Les meilleures performances et la fiabilité, grâce au standard T.38 pour la transmission de fax sur IP
- Envoi / réception de SMS
Le service de REDONDANCE garantit la fiabilité du système en cas de défaillance du système PBX ou réseau.
En cas d’urgence toutes les fonctionnalités seront automatiquement transmises au PBX de sauvegarde qui a les mêmes caractéristiques et configurations que le principal.