Russell Zachary Feeser apiquest - Russell Zachary Feeser

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By Russell Zachary Feeser|March 28th, 2020||0 Comments

About the Author: Russell Zachary Feeser

In 2011 I sent my first SIP INVITE, and I have been studying telecommunications standards ever since. Instructor for SIP, IMS, Voice Over LTE, WebRTC, SDN, and Avaya Aura courses. Founder of the training organization IRIS7.

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