Thanks Peter - VERY informative. Much appreciated.
Roman
>The following are my own personal opinions and observations and are not
>meant to represent the official views of the company that I work for.
>
>I have recently passed CVOICE 1.0
>
>A few personal comments:
>
> The exam I sat was based very heavily upon CVOICE course notes.
>So a set of CVOICE course notes are essential.
>
>It is not too difficult. No where near as much material as for ACRC.
>There
>are a lot of type in the command 'letter perfect' questions (about 14 -
>20 ish in my case) No problems if you can do show & configure basic voice
>
>over FR, ATM, & IP.
>
>1) CVOICE is Voice over Frame Relay (significant part), ATM (some
>questions), and IP (of course).
>
>2) The 640-447 CVOICE exam is on the CVOICE v1.0 course.
>
>(The CVOICE notes may not be the best introduction to VoN but they are
>the gospel if you want to pass CVOICE. The lecturer on the course that I
>attended skipped some very significant sections of the notes. You need
>to study all chapters! It is helpful if you can get 'hands on' with the
>full range of kit ie 26xx/36xx, 3810, & 5300 and know their main
>features).
>
>I attended the old v1.0 CVOICE. There is a new version
>available/about to be available that is reputed to be an improvement. I
>found the CVOICE 1.0 course a bit primitive and out of date. It was
>really aimed at the bottom end of the market; 2-4 voice ports perhaps up
>to 60. Essentially
>aimed at Branch Office / Medium Corporate connect and not at Carrier Grade
>solutions.
>
>Watch out for a very strong USA telephony bias. I am not sure that they
>have ever heard of E1 CAS, AC15, nor DPNSS - More of a problem if you
>come from Europe.
>
>
>Though remember it's Cisco's course, it's their exam and if you want to
>pass ....
>
>Other sources have better explanations of the concepts.
>
>
>BOOKS
>======
>
>The books that I found are all VoIP and on the whole quite good though
>none of them were CVOICE study guides.
>
>Be aware that CVOICE is Voice over Frame Relay, ATM, & IP - not just
>VoIP.
>
>
>Cisco Voice over IP - Elliot Lewis ISBN 1-928994-03-2
>
> A good introduction to intermediate level book on VoIP; includes
>some configs. Not very good for CVOICE exam - too much out of scope
>material. Does not cover telephony, VoFR, VoATM in enough detail for
>CVOICE. (But to be fair it claims to be a VoIP book not a CVOICE study
>guide.) Covers : H.323, Gatekeepers, Selsius AVVID, Cisco Call Manager
>(Soft PBX) & Fax over IP - This is useful material but are all OT as far
>as CVOICE 1.0. Solutions are aimed mainly at Branch Office / Corporate
>connections and not Carrier Grade. Does not particularly address the
>issues of serialisation delay and the various forms of link fragmentation.
>
>In short quite a good introductory book with some good explanations as
>far as it goes - But not a CVOICE study guide.
>
>
>
>Cisco Packetised Voice & Data - Robert Caputo ISBN
>
> Excellent introduction to intermediate level coverage of VoN
>technologies and concepts. Includes a lot of example configs.
>Particularly good introduction to analogue telephony, though like most
>books very much biased to USA telephony. Excellent coverage of QoS
>issues particularly for VoIP carried over Frame Relay. Good introduction
>to Dial Plans and Hunt Groups. Aimed at medium scale solutions, weak on
>coverage of Carrier Grade solutions.
>
>Not very good for CVOICE exam - too much out of scope material and weak
>on its coverage of VoFR and VoATM.
>
>In short a good introductory / intermediate book worth reading - But not
>a CVOICE study guide.
>
>
>
>Voice over IP Fundamentals - Jonathan Davidson ISBN 1-57870-168-6
>
>A good intermediate level VoIP concepts and principles book. Very few
>example configs. Not very good for CVOICE exam - too much out of scope
>material, goes into too much depth and is too advanced.
>
>In developing your understanding of VoIP - excellent. Very good if you
>want to understand the more advanced concepts or as a VoIP reference
>guide. It has good coverage of telephony concepts particularly in the
>Enterprise, including ISDN, Q.931, QSIG,& SS7. It includes a substantial
>introduction to and discussion of Qos issues. Excellent coverage of
>H.323, gatekeepers and virtual switches.
>
>
>Certainly well worth reading and keeping as a reference book. But is
>not a CVOICE study guide.
>
>
>
>If you have a limited budget I would buy Caputo's book. If you want to
>go further then Davidson's definitely has a place on my bookshelf.
>
>
>Peter
>
>
>
>
>
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