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need help in voip design

hi,

our customer having nearly 30 branches. 20 are connected to central office via leased lines.

And 10 branches are connected by internet.

Now customer willing to use voip on all these branches.

That is From central office to leased line offices and internet offices vice versa..

And there are analog phones with PBXs.

present along with them soft and hard IP phones are required with redundancy.

so anybody can help me in designing this voip setup? (designing means what are the required equipments and protocols for this setup)

Regards

skrao

Regards

skrao

1 REPLY
Hall of Fame Super Silver

Re: need help in voip design

To start things off I would strongly recommand reading CallManager SRND found here http://www.cisco.com/warp/public/779/largeent/it/ese/unifiedCommunications.html

The best solution for you would be centrelized call processing model.

Also, keep in mind that the sites connected via public internet will need a VPN tunnel to the central site, and you will have no control over QoS for those sites. If feasible migrate those sites to leased lines, frame relay, or better yet migrate all sites to MPLS.

IN order to deploy successful VoIP you need to ensure your network netowrk is capable of hadling it.

Chris

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