Nortel Norstar is a small-office digital PBX introduced by Nortel Networks. It is based on the same internal design and instruction set as Nortel's ea...Read more
Current Customer(s)
Market Share (Est.)
Ranking
The top three of Nortel Norstar’s competitors in the Business Phone Systems category are Freshworks with 48.26%, Bitrix24 with 11.94%, Mitel with 10.67% market share.
Popular Comparisons
The top three of Nortel Norstar’s competitors in the Business Phone Systems category are Freshworks with 48.26%, Bitrix24 with 11.94%, Mitel with 10.67% market share.
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Around the world in 2025, over 236 companies have started using Nortel Norstar as Business Phone Systems tool.
Customers | Employee Range | City | Region | Country | Social Links |
---|---|---|---|---|---|
Insight Global | 10,000+ | Atlanta | Georgia | United States | |
Edison International | 10,000+ | Rosemead | California | United States | |
United Parcel Service, Inc. | 10,000+ | Atlanta | Georgia | United States | |
Tampa General Hospital | 10,000+ | Tampa | Florida | United States | |
City Of New York | 10,000+ | New York City | New York | United States | |
Verizon | 10,000+ | New York City | New York | United States | |
Wolters Kluwer | 10,000+ | Alphen aan den Rijn | South Holland | Netherlands | |
U.S. Air Force | 10,000+ | San Antonio | Texas | United States | |
IBM | 10,000+ | Armonk | New York | United States | |
Walgreens | 10,000+ | Deerfield | Illinois | United States |
The top three products and services offering customers that use Nortel Norstar for Business Phone Systems are Unified Communications (12), Managed Services (11), Cloud Services (11).
Customers
The majority of Nortel Norstar's customers for the business-phone-systems category fall in the company size of 10,000+ employees (57 companies), 20 - 49 employees (35 companies), 100 - 249 employees (34 companies).
Employee Size
The top three geographies of Nortel Norstar for business-phone-systems are the United States with 170(77.27%), Canada with 23(10.45%), United Kingdom with 7(3.18%) customers respectively.
Customers
Find answers to the most often asked questions by users.
Who are the top Nortel Norstar competitors?
Nortel Norstar’s Top competitors in the business-phone-systems category are Freshworks, Bitrix24, Mitel. You can view a full list of Nortel Norstar competitors here. 6sense uses advanced data mining and AI algorithms to track customers and competitors of Nortel Norstar and 40,000 other technologies on the internet. You can also compare Nortel Norstar and its feature with top competitors here : Nortel Norstar vs Freshworks Nortel Norstar vs Bitrix24 Nortel Norstar vs Mitel.
What is Nortel Norstar customer distribution based on company size?
What is Nortel Norstar market share in the business-phone-systems?
What are the top countries that use Nortel Norstar?
What are the top industries that use Nortel Norstar?
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