On Tue, 5 Aug 1997, Joe Brewer wrote:
>
>How have other shops handled this situation:
>
> 1) You have enough customers to fill 6 PRI lines (138 B channels)
> 2) At any moment half of the connections will be ISDN only
>
>My solution was to buy three PM3s, two with 48 modems and one with no modems.
>This was my implementation plan:
>
> 1) Put all 6 PRI lines in one hunt group
> 2) Connect the PM3 with no modems to the first two PRI lines
> 3) Connect the two PM3s with modems to the last four PRI lines
>
>It was my expectation that customers calling in with modems would pass
>through the B channels with no modem capability and connect with the first
>available modem. ISDN customers would grab the first available B channel,
>preferably on the PM3 with no modems.
>
>I thought it sounded like a good plan, but it doesn't work. I brought this
>plan up in conversations with Livingston sales and tech support people and no
>one ever said it wouldn't work, so I'm assuming I'm doing something wrong.
>The phone company says it's up to our box to signal back to theirs that there
>is no modem capability on the line, so they can continue hunting through the
>hunt group. Presumably our PM3 is not doing this. We are running ComOS 3.5c6.
>
>I can't be the first person to try this, can some kind soul please tell me
>where I'm going wrong. I have opened a tech support call with Livingston,
>no answers yet but I'll be happy to post them once I get this figured out.
>
>Thanks for the help,
>
>Joe Brewer
>joe@net1.net
>