Huawei Technology Co. Ltd. (China)
Oracle Corporation (U.S.)
Sonus Networks Inc. (U.S.)
F5 Networks Inc. (U.S.)
Diametriq LLC (U.S.)
Ericsson AB (Sweden)
Mitel Networks (Canada)
Nokia Corporation (Finland)
Dialogic Incorporation (U.S.)
Sandvine Incorporated ULC (Canada) and others