About Derek Lam
I am a VOIP consultant of a Hong Kong ITSP and telecom solution provider.
I am a VOIP consultant of a Hong Kong ITSP and telecom solution provider.
I have been in the IT industry for over 20 years, having extensive experience in project management, system integration and VOIP implementation.
This blog is a collection of experiences and working examples earned in my career.
This blog is a collection of experiences and working examples earned in my career.
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