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Freelance engineers with hands on experience with Avaya servers such as CM, SM, SMGR, SBC, ACCCM, AEP; Proficient in installation and configuration of Avaya Systems; knowledge of Telephony protocols (VOIP, SIP, H.323) ; experience on Avaya SDM and managing the upgrades of Avaya systems; Avaya architecture, design and Avaya Unified communication products;

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