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Regarding forum.cisco.com, I posted something similar there around the same time I posted it here, but I probably didn't word it very well and never got any responsese. I just reposted it again with more details. In any case, thanks for the suggestion. We'll see what happens... Worst case I'll...

Are you speaking of PRIs in general or something Cisco specific? The other end would be an Adtran Atlas 550. The Atlas can be configured to supply the clock/timing and can act as the C.O. end of the circuit if that helps.

This guide is probably the best one I've found so far: http://www.adnetman.com/cisco-router-guide.pdf The PRI card is on page 157 and the DID card is on page 164 along with background requirements for both. Just hardware wise though it seems to be a $1000+ experiment even at eBay prices to get...

As mentioned, analog DID is somewhat backwards compared to analog POTS. The voltage is supplied by the customer instead of by the phone company, which is why when a FXS or FXO card is used for DID, the labels seem to be flipped. The concept of DID is also quite different from Caller-ID...

Hi all, the more I research the available hardware, the more confused I get... I'm definitely not a Cisco guru by any means. First of all, my goal is to convert an analog DID circuit coming from the phone company to a digital PRI while at the same time preserving the "dialed number". The end...

You're correct, there does appear to be a voice-capable PRI interface for the 2600 series but Cisco's part numbers are really confusing me and I'm not sure if a 2600 can handle both the DID and the PRI at the same time. A MC3810 including a voice-capable PRI port sells for about $100. I've...

Looks like I might have spoke too soon regarding DID on the MC3810. From what I can find in the Cisco docs, it doesn't look like the "signal did" command is supported on the MC3810 FXS card. Would it be possible to use a 2600-series router with a VIC-2DID card as the input side and a MC3810...

Also looks like the MC3810 might possible work, and they're available pretty cheap. At least it has a voice T1 port and it looks like the FXS port might double as the customer end of an analog DID trunk. Not sure if the firmware does what I'm describing though...

Correct. Converting in the other direction is pretty easy using an Adtran Atlas or similar (PRI in->analog DID out) but it seems that switch/router equipment able to act as the customer side of an analog DID trunk is a little harder to come by. Looks like the VIC-2DID card might be half of the...

Not exactly, although we might end up doing that eventually. For now I'd like to "create" a PRI out of that analog DID trunk. Obviously 22 of the 23 B-channels would be inactive but that's ok for now since the line doesn't get much use. Eventually if we need more channels we can upgrade it to a...

We have an old analog DID trunk that's currently used for incoming faxes and it has 280 phone numbers assigned to it. It actually gets very little use, maybe four or five faxes a day but it's the phone numbers that are important. We also have a campus wide ISDN network and the switch in my...

Hi, I'm trying to figure out the least expensive way of converting an analog DID trunk coming from the phone company to a PRI that I can feed into our ISDN switch. I realize that the analog DID trunk only equates out to one B-channel + one D-channel for signaling but that is fine, the other 22...