ATA is a lot cheaper than VG224/248. If you dont have much port density requirements, you should be ok with using ATA. VG224/248 requires that you centralize your wiring for analog devices to a wiring closet which will home the vg224/248 and a patch panel that breaks out the RJ21 interface to individual rj11s.
I do use CCM4.1(3) and I only need a two port ATA for my situation. I am simply looking to buy the cheapest ATA available that would meet my needs.
Problem is I am unsure as to what are the minimum requirements for it to work in my VoIP network, or interact with CCM. My guess is that it would depend on the configuration, but what are the main concerns?
Could I use a product that is not cisco, or does it have to be a cisco product? If it can be a non-cisco product, what are the minimum requirements for the product to be able to work with the Cisco VoIP Network?
Does the device have to be among the listed when adding a new phone device in CCM?
IntroductionCUCM Routing RulesDial String implementation PolicyCUCM Routing LogicSIP URI Call Routing Analysis+++ Case Study: 1 ++++++ Case Study: 2 +++Conclusion
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