Technical Assistance Center

While we work to integrate the Coriant portfolio into Infinera’s services offerings, we ask our customers to continue to rely on the existing contacts, resources, tools and support teams that you have today. As we continue to progress with integration, you will be proactively informed of any changes related to service and support options or delivery.


Support for Infinera-branded Products

Use the Infinera portal:

Support for Coriant-branded Products
(including legacy products from Tellabs, Sycamore Networks and NSN Optical)

For non-critical technical support and hardware service requests, use the Coriant portal:

For critical technical support and hardware managed replacement requests, call the Coriant call center or your assigned local TAC number. For information about local support numbers, please contact your Coriant customer service manager. Coriant call center for all countries: +1 (630) 798-7070

For hardware services request initiation (only with prior arrangement with Coriant):

For general care-related inquiries other than support requests: