TVOICE – Quick Reference

This looks like the book to read to further prep for TVOICE:

CCNP Voice TVoice 642-427 Quick Reference

http://www.amazon.co.uk/Voice-TVoice-642-427-Quick-Reference-ebook/dp/B004X1D252/ref=sr_1_1?ie=UTF8&qid=1434740287&sr=8-1&keywords=tvoice

 

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