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#616748 02/19/18 07:13 PM
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Hi Folks,

Looking for a bit of advice. What kind of ratio for stations to MGI channels do you like for predominantly IP systems. For example, I have a request in for a site that has a PRI and is looking at about 100 sets. What configuration of OAS or MGI64 cards would you suggest?

Thanks in advance,

-B

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1 per trunk is what i used to say
Unless they want internal paging, but with multicast paging that's not an issue.
What's the vm? Svmi20i?

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It'll be SVMI, yes.

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So, 23 channel pri. 100 stations and voicemail.

7200 with a SVMi20i, 2xOAS, and TEPRIa?

Would that be enough?

-B

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Are all handsets local at the same site?

Ip phone talking to ip phone locally don't use mgi or mps channels.

Hence 1 per trunk. The svmi20i is an ip vm so from memory it'll use mps if available.

2 x oas should be fine. That'll give you 32 mgi channels for your pri lines which is more than you need.
Plus a heap of mps channels.

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Not much room for expansion on the 7200. What are their plans (if any) for expansion?


Last edited by nameless; 02/19/18 08:12 PM. Reason: Spelling
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They won't likely move beyond the 128 capacity.

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I'd say go with the 2 OAS... Easier for expansion cause you already have it plus more cost effective.

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No real choice if using the OS7200, the MGI64 is only for OS7100 and OS7400.
I don't know if MGI16 card's are still sold in the US or not, that's your only other option, but then you don't get MPS.

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Originally Posted by nameless
No real choice if using the OS7200, the MGI64 is only for OS7100 and OS7400.
I don't know if MGI16 card's are still sold in the US or not, that's your only other option, but then you don't get MPS.

I think the MGI16 is still sold here, but the OAS card is cheaper and gives you more resources. Here we can only use the MGI64 in either a 7200 and 7400 because of the time channel slots. 7100 doesn't support the 64 smile

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