Right now, I work for a telco. Its not the first time I have, as I have also worked for SBC Ameritech. There are several cool things about working for a telco that really will help my CCIE Voice trek.
First and foremost, I have developed a solid understanding of traditional PSTN technology which really makes mastering how to integrate VoIP with PSTN a lot easier, as well as making VoIP in general a lot easier to understand. After all, we are trying to replicate the functionality, quality, and reliability of the PSTN.
Secondly, as part of my job I teach MPLS, and QoS and have had to really learn about what goes into the design and operation of a service provider core network. I no longer see just a cloud, now I see the individual water droplets and wind currents. This sort of knowledge can never hurt.
Thirdly, I have had to develop a knowledge of advanced SIP, as that is our protocol of choice for VoIP where I work. In fact I am expected to co-develop a SIP Trunking course by summer, and I currently lecture on translation between SIP and SS7.
Hawaiian Tel also has some awesome engineers who have been very generous with sharing their knowledge with this little grasshopper.
Teaching itself is a great knowledge-reinforcer as you need to know the topic cold if you are effectively going to teach it. I intend to use this as a core tactic in studying for my CCIE, by preparing course slides as if I was one day going to teach a CCIE bootcamp to a very questioning class.
Finally, on a personal note, it rekindled my long-dormant passion for VoIP.
All the best
Tim
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you could maybe upload those slides and share with the world? :D
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