Multiple IP PBX can share multiple call processors with the use of standard interface.
PBX is composed of network of phone lines or extensions within a building or an office and connect it to the PSTN. The users of the PBX system share outside line in order to make outbound calls.
In order to find out how to bring back your PBX's functionality you are going to have to call the PBX company or a hotline and ask them for assistance in this matter.
PBX board is that board they in coming calls attend by operator or by extension they transfer the call to other department
PBX private branch exchange is a telephone system that serve as an office for the business. Business transaction and call handling is hosted by PBX system. PBX was innovated as a replacement for switchboard telephone operators. A PBX system controls and manages incoming and outgoing calls for a business.
I may suggest using a media gateway device for linking an MPLS (Multi Protocol Label Switching) to an Asterisk PBX or any other virtual PBX system.
A PBX operator - routes incoming calls to the relevant extension, and connects extensions to external calls if required. For example, the PBX operator in a hotel might connect a call from a guest's relative, or the guest could ask the operator to connect them to a local cinema.
You could either do it yourself and get a self-hosted PBX, or call phone company providers and have them set everything up for you. Most of the big cell phone companies offer this service if you call and talk to customer service.
A virtual pbx is a piece of call-forwarding software that runs by your virtual phone service. It allows for calls to be forwarded or switched to the phone number of your choise.
The key system, includes the bascis. While the PBX system,which is highly functional with features like extensions, call forwarding and many others. The VOIP PBX system is another development with more advanced features than the other two. Desktop call controller, internet fax and many others are among its features. Some of the major types of business telephone systems are: PBX (private branch exchange) KSU (key system unit) KSU-less systems IP PBX Virtual PBX
If one wishes to purchase a PBX Virtual VoiP system, one would need to call a VoiP provider. The website, Virtual PBX is likely one's best option for this service.
How about using a media gateway device for inter-connecting a MPLS (Multi Protocol Label Switching) to any virtual PBX system.
A PBX system would be used by any company that handles a large volume of phone calls. It improves efficiency for the business and also reduces labor costs.