CCNA Voice With GNS3

Origional note from RoboCisco:
http://certcollection.org/forum/topic/147729-ccna-voice-step-by-step-learning-ccna-voice-with-gns3/

I have found some very interesting video to learn CCNA Voice on youtube.
which is discussed in detail by the author.

I have been collated in a systematic, so that colleagues can learn the
CCNA Voice and arranged sequentially so that the better our understanding and detail.

The CCNA Voice material list is as follows:
Part I
1. CCNA Voice - CME Trixbox Voicemail
2. CCNA Voice - Gatekeeper Lab
Part II
3. CCNA Voice - IOS Upgrade CME Install
4. CCNA Voice - T1 PRI Config
Part III
5. CCNA Voice - Trixbox X-Lite Setup
6. CCNA Voice - Trixbox Voicemail, Exchange Server Email