Building A CCNA Voice 640-461 Lab

By Tom Marshall


In this particular CCNA Voice article, we'll discover about creating a CCNA voice lab for self attend where you can prepare for your CCNA Voice 640-461 test. We have discovered various concepts connected with voice communication systems inside the CCNA voice exam. Inside the lab setup exercise we'll implement the understanding in the practical atmosphere which we collected through running and learning various concepts of voice networking inside the CCNA voice exam articles.

As I am sure you have discovered from your Google searches, there's very little information available around the CCNA Voice exam. There's less info on lab situations for that CCNA exam. Therefore we produced our very own CCNA Voice Lab Workbook and topology for any home lab. We wanted to really make it complicated enough to actually demonstrate the way the traffic flows. What exactly is needed to follow along with our lab situations? Here we have put together a listing of apparatus utilized in our CCNA Voice lab topology. Therefore we will take the time to explain each bit from the lab and we'll consider what each component does and why it's needed. Bear in mind you are able to replace these products with components that offer the same functionality.

2620XM Router - This 2600 series router gives multiservice voice and understanding integration, support for embedded call processing with 'cisco' CME which we are using within our home lab. It'll impart us with support for VIC cards. This might become CME router in lab setup. Really the only Ethernet models (2650xm, 2620xm, and 2610xm) are comparatively cheaper on cost your two Ethernet models (2651xm, 2621xm, 2611xm) which we do not need two Ethernet ports for nearly any CME router. However we'll need 192MB DRAM & 48MB flash with to help CME and 12.4 IOS for your Voice concepts.

NM-2V - this really is frequently a network voice module which provides the possibility for hooking up to PSTN and legacy telephone network to 'cisco' 2600, 3600 and 3700 series routers. It's support for voice interface cards (VICs) to supply the connectivity. Within our lab scenario we'd be using nm-2v for connecting up router 2620XM router. Nm-2v supports four voice calls. Diagram below demonstrates nm-2v network module.

It offers features following features for instance Voice/fax over IP, Router-based, modular design, High-performance digital signal processing (DSP) architecture, 'cisco' IOS(R) service quality (QoS) features: Resource Reservation Protocol (RSVP), weighted fair queuing (WFQ), fragmentation, and interleave, compliant with H.323 (Audio and video conferencing), combines with existing phone /fax.

It's feature support for 2600, 3600 and 3700 for example Foreign Currency Office (FXO) answer supervision, FXO disconnect supervision, 'cisco' Echo Cancellation (ECAN), Connection trunk, Connection private line, automatic ring lower (PLAR), 'cisco' Hoot and Holler, 'cisco' Tool Command Language (TCL) Interactive Voice Response (IVR) Version 5., Transparent Common Funnel Signaling (T-CCS), Busyout (local voice Busyout [LVBO] and advanced voice Busyout [AVBO]), Pulse calling, Inbound hook flash (Foreign Currency Station [FXS]), Outgoing hook flash (FXO), Caller Identification (FXS), 'cisco' Fax Relay, T.38 Fax Relay, T.37 fax store and forward (S&F), Fax /modem go through and (DTMF) relay.

VIC's are Voice Interface Cards supporting analogue connections for: FXO (for the local telephone exchange) FXS (to have an analogue phone) and E&M (with a PBX)

Vic-2fxo module - this really is frequently a 2 port voice/fax interface card and may get integrated in 2620XM router which we are using within our CCNA home lab. VIC-2FXO card will know about interface the entire factor while using the Containers line visiting your residence so you would manage to connect existing phone line into this module to produce calls via your voice lab at home tele number.

Vic-2fxs modules - This is the voice interface card with FXS interface it'll connect straight to standard phone, fax machine within the voice network. 'cisco' IP Phones - 7960G is great with 6 buttons, but a 2 line 7940G will even satisfy the requirements. Essentially we want two phones at least, you ought to have as numerous buttons as possible afford, another could be a two line or perhaps a lowly one line 7912G if cost is an issue. We have to buy energy bricks too if switch is not PoE. The FXS ports will be sending the energy lower the analog phone cables to ring the phones.

In IP phones G means global phones use symbols on soft secrets rather than British text.

We're able to offer another 26xxXM router with NM-2V and VIC-2FXS card -OR- a 1760 (or 1761-v) with PVDM module and VIC-2FXS card. Potentially a 1751-v with VIC-2FXS. Should you are searching for an inexpensive router with DSP's that may support an inexpensive VIC-2FXS card. By using this router you'll have the ability to practice dial peers while using the CME box. The 26xxXM does not need max memory, nor will the 1760(v). The NM-2V adds DSP assets for that 26xxXM to help the VIC-2FXS. The PVDM adds DSP assets for that 1760. The VIC-2FXS enables you to definitely certainly certainly plug an regular old Containers phone in and test dial peers by calling your CME IP Phones. We do not need PVDMs for the analogue cards they are aboard the NM-2V from memory.

'cisco' 2611 64/16 routers - 2611 64/16 routers will become an HTTP server in lab atmosphere.

Nm-signal - Just in case you shouldn't make use of an Goal-Signal module (or NM-Signal) then your 1760 is a great and cheaper solution for home lab. Nm-Signal can give functionality of intuitive prompts, autoattendent and IVR features within the voice atmosphere. Signal will be the license for that voicemail message card. An Goal-Signal card will permit Voicemail message and Autoattendent if you want this then you'll need one. Oneness is definitely an alternate Voicemail message System.

'cisco' Call Manager and CME - Are both call processing items. CME can provide call processing facility for in your town attached IP / analog phones. Call manager supports centralized whereas as CME supports distributed voice network architecture. Call manager handles hundreds of IP phones centrally that is a devoted server/device.

Call management features are supplied within the CME that's router access based. CME could be a router with Call manager software placed on it, including some telephone products. The CME router will end up a gateway between PSTN and native IP voice network. Lab setup phones (IP / analog) both will most likely be connected with call manager express router using FXS ports / local LAN switch. Within your house lab setup scenario CME is really a more good choice if the involves cost and versatility. Bear in mind, we wish a XM Series router getting no less than 192MB of DRAM and 48MB of Flash to help the IOS and CME functionality. Also we're able to use CME because the SIP trunk gateway between home IP lab network and repair provider. We are researching SIP server more in greater detail below.

SIP server - SIP proxy can be a computer software which provides call routing services in voice systems. SIP could be a multimedia communication standard and helpful for internal IP telephony transit among enterprise voice gateway and SIP capable IP - PBXs and PSTNs. SIP proxy server accepts the registration demands from SIP endpoints for example IP phones, voice gateways, software. It produces an engaged record of endpoint's current contact address. We're able to also do static newcomers with SIP server. Each and every call from PSTN will most likely be handled getting a SIP proxy server.

If you stick to the topology we referred to above, you should use our CCNA Voice Lab Workbook to take you step-by-step through 30 different labs. The lab workbook develops upon itself so it's vital that you have similar or better equipment. To really make it easy on yourself, we clearly sell the whole lab kits with the hardware you'll need.

This concludes the lesson on creating your house lab for your CCNA Voice exam. In this particular lesson we discovered several types of equipment that are required to produce your individual voice lab.




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1 comment:

  1. I very happy to read this informative post.Its a very useful for everyone.

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