Contact Customer Service

Sonus Networks Worldwide TAC Support

Address:
7 Technology Park Drive
Westford, MA 01886

Phone:
1-888-391-3434
(978)-614-8589

Fax:
(978)-614-8609

Sonus Networks International TAC Support

Address:
Washingtonova 1567/25
110 00, Prague
Czech Republic

Phone:
+1-978-614-8589

Fax:
+420-221-674-379

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