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#476919 10/15/07 04:28 PM
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What makes more sense? PRI or DID Trunking? Any experience in this area out there?
Neither but if I had to take the better of two evil's. Go PRI

I agree with the above statement in the fact that someone has deep pockets.

I would never suggest a PRI or DID for such a small application(unless i was ripping someone off).

Scratch the CISCO and leave the PBX. Use POTS for the vault, 911 and fax and dedicate two lines for your "DID". Change the extension numbers to match the last four of the "DID" and set the lines to ring only those extensions. Make the lines private to those extensions and set up auto select for those trunks.

Fair warning if you are going to run the vault through the system you better check your local code. POTS carries its own voltage and if your system goes down you wont be disrupting service. During an emergency there is a very high likelyhood that power will be lost in the building. You dont want to be the guy looking at a lawsuit because someone could not call out for help.

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#476920 11/02/07 08:40 AM
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Just to put a spanner in the works, do you have basic rate ISDN over there, we use them all the time here. 2 channels per box and can have did on them as well, plus hunt the boxs and you can have 2,4,6,8,10 channels in and out any more than that just as cheap to have PRI, by the way we have 30 channels here on pri and can get 16 channel FRI


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#476921 11/10/07 09:44 AM
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I am suprised that cisco even supports
pots style d.i.d. lines

#476922 11/10/07 09:45 AM
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Originally posted by OBT:
Just to put a spanner in the works, do you have basic rate ISDN over there, we use them all the time here. 2 channels per box and can have did on them as well, plus hunt the boxs and you can have 2,4,6,8,10 channels in and out any more than that just as cheap to have PRI, by the way we have 30 channels here on pri and can get 16 channel FRI
BRI has never really caught on over here and
its mad money per line..

#476923 12/12/07 12:43 PM
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I would never suggest a PRI or DID for such a small application(unless i was ripping someone off).
The carriers here are selling full PRI circuits with any combination of voice/data (internet)channels for ~$300 a month. With the low cost of PRI cards in small key systems this now becomes a very attractive option.

#476924 12/12/07 03:04 PM
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$300/month? That is a good deal! Nothing like that around here.

#476925 12/12/07 03:18 PM
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A T1 is about $5-600 around here... to have it as a PRI is another $100. If you are considering a T1 and can support it I would recommend you go to PRI vs anything else. Always have better control and options. Not sure i'd recommend a PRI for someone with 6-lines tho. Kind of a waste.

Be better to get a T1 with 6-lines for voice and the other 18 channels as DIA. That makes a lot of sense.

#476926 01/23/08 09:19 AM
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If your going with a Cisco System (CM or CME), you might want to consider SIP trunks from a VoIP provider. They are inexpensive and can install directly to the Cisco system with no other equipment needed. All you need is a decent Internet connection (like a T1) and you'll need to open ports on your firewall. They work great and you can keep your numbers too.

I have more info on a great SIP trunk provider if you need it.

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