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Avaya's announcement of a "final release" of Nortel CS1000 at version R7.6X appears to have left these customers with one choice: rip and replace.

Earlier PBX Meridian 1 and CS1000 produced by Nortel and were known for their functionality and reliability. Peripheral and terminal equipment of PBX is far from exhausted its resources. However, the introduction of unified communications and new features require reorientation to other platforms.

Avaya bankruptcy questioned the maintenance and support of the Meridian 1 and CS1000 PBX family from vendor.


Rip and Replace
The rip and replace solution presents several problems for the CS1000 owner. First, there is the expense of a new platform; in most cases new servers will be required. There certainly will be new software, management tools, operational procedures, and re-training of IT staff.

Changing to a different platform presents a number of problems for the owner of the CS1000. In addition to replacing the main platform (new servers, gateways, software, management tools), and require more significant investment in terminal equipment - desk phones, and other devices.

Do not forget about the operating costs necessary for the implementation of the new platform (staff time, the cost of maintenance of equipment, contractors, services, training and certification).

Many enterprises have proprietary Nortel TDM and/or Nortel UNIStim IP phones that are not supported by other vendors. With nearly half the cost of an upgrade tied to desk phones, replacing endpoints can be one of the biggest costs, and, of course, every new phone requires an end user to be retrained. And, since CS1000 customers have felt the pain of being tied to one vendor, standards-based SIP endpoints are in-demand.

Considering the above points, our company has developed a program of migrate Meridian and CS1000 PBX  in UC platform based on an Open Source platform Asterisk.
This migration is performed while maintaining all of the endpoints (phones) and peripheral (digital and analog line cards) equipment!


This program is very attractive financially.


The main tasks implemented in our program:

• Extending the life of legacy digital and IP UNIStim endpoints that can't be converted to SIP
• Building a true SIP-based solution
• Maintaining feature transparency, thereby saving staff time and retraining users
• Using the enterprise network or Cloud-based service
• Adding Mobility (smart devices)
• Offering UC to a range of endpoints (PC/Mac, tablet, phone)
• Adding Video & Collaboration
• Supporting Advanced Messaging

• Save PBX peripheral equipment;
• Implementation of the unified communications (voice mail, fax server, intelligent answering machines, speech synthesis and recognition, large audio and video conferencing, emergency notification and informational messages) and intelligent call routing;
• The introduction of a call center for customer service;
• Integration with the CRM;
• Ensure the development of solutions through the use of open Asterisk platforms ;

Open Source Asterisk project is actively developing due to the global community.
Many applications are implemented in the Asterisk absent in products of other manufacturers, or their implementation requires considerable financial costs.

A technical detail of the program depends on the existing hardware and software installed at the customer. These details can be determined by contacting our specialists.