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From the Beginner

Hi,

I'm trying to learn about VoIP and read some about VoIP signalling protocols (H.323, SIP, MGCP etc.). Everything is OK when reading about a protocol but when it comes to integrate things in my mind I'm really confused. I read about SIP protocol and configs and it seems OK, and same for the H.323. But when I read about Cisco AVVID I see nothing about H.323 gateways or SIP proxies, it's all about CallManager. I've problems with integrating concepts about these protocols and CallManager. Could anyone explain the relation between these concepts or advice some documents?

Regards.

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New Member

Re: From the Beginner

These are true statements. The designed solution is determined by the customer requirements. Each of these solutions has it's own features, limitations and dependencies. Basically, what you want to do determines your options on how to do it.

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New Member

Re: From the Beginner

According to these docs, if I want to use IP phones/softphones I've to choose a solution with CallManager. But if I'm working about integrating POTS phones with and IP infrastructure, I can use a design including H.323 or SIP protocol components, (H.323 GWs, gatekeepers, SIP gws, proxies)- and there's nothing to do with CallMAnager. But there's also a Cisco IPphone for SIP. Are these true?

New Member

Re: From the Beginner

These are true statements. The designed solution is determined by the customer requirements. Each of these solutions has it's own features, limitations and dependencies. Basically, what you want to do determines your options on how to do it.

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