This is from memory, but I think the limit on T1 modules in a Legend is 3, so you should be good there. You can use 016 MLX modules with a R7 processor, so 5 would get you to 80 extensions. Brian Cox
J & J Communications
Three T1 cards per system, but restricted to only two cards per chassis, so could install one in main, two in expansion chassis, or vice versa. With R7 software, no problem with 80 lines/extensions. You will need the main and expansion chassis if going with three T1 cards, so you will have up to eight slots to fit in 016MLX, 408MLX, 008MLX cards for the 80 lines/extensions. Remember that you cannot skip a slot, they must be filled consecutive up to last used and then remainder of chassis blanks ok.
Are you looking for 80 digital extensions or analog? The 016MLX cards are spendy! The 408 and 008 MLX give only 8 each. For analog you can go with the 016 or 012. 16 and 12 ports respectively. Why 80 trunks and 80 extensions? if you just need 80 direct phone numbers, order your T's with DID and a DID block of 80 numbers. You could probably get away with 2 T's with DID to adequately support that number of users. Remember users do not stay on the phone all the time. You would have to do a load analysis, but 48 channels on 2 T's would most likely do the trick!!
Email me at EscoTTel@juno.com if you want to get in touch with me.
I have to agree with Scottell, 3 T's seems a bit much, unless you are setting up a call center that you expect will be very busy. With only 80 extensions you may even be able to get by quite well with only one T. It is also good to have at least a couple of POTS lines available incase of a failure.
This is for a mortgage company that is going to be doing mostly cold calls. So, the users will be on the phone a great deal more than just a regular user.
You probably will still not need a one for one line to extension ratio. I have a client that does satisfaction surveys that uses 30-50 callers and gets by fine with 35 trunks. Their number of callers depends on day of the week. You have to remember, while callers are doing papaerwork or computer work in between caller, there is a lot of dead time. 2minutes between calls times 80 callers is a lot of time. I would start with 2 T's and be ready to expand if callers are having too much wait time.
The way I understand it is that you are limited by trunk ports installed vs trunk ports used.... meaning if you have 3 T1's (72 ports) you could only have two 408's installed in the whole system. The rest would have to be 008, 016, 012, etc (0xx being key!). More than 80 total installed could be trouble. So if there is even a chance of adding the 3rd T1 be carefull of the rest of your boards.
I think the software revision on the system is version 4, because of some labeling on the system processor. Are there any limits in that case? If necesarry, how can I upgrade?, or do I just need to replace the system processor.
R4.0 will still let you use up to 3 T1's, but is limited on other features you might need to have. The processor is upgradeable via software, but you have to have the flash card that has the upgrade on it. It will upgrade to Legend 7.0 no problem and into the Magix software if CKE4 or CKE5. I have heard the CKE3 will go to a Magix 1.5
Either way, upgrading to Legend 7.0 will be a good move. It sounds like you are setting up a call center environment and will need more advanced group features than 4.0 probably has. It would probably be cheapest for you to buy a processor with 7.0 off of Ebay since you do not have the flash upgrade.
If you do not own the equip yet look at the magix. The older legend platform has been dead for a few years. A magix R1.5 or higher can utilize the integrated csu/dsu on the 100DCD DS1 boards. CSU's are required by the FCC. Also, if you need digital sets 024TDL packs are available.
The limit of the Legend/Magix platform is 80 lines and 200 stations, at least for now. I have to agree that 80 lines is a little high. I would also start off with 2 spans, then add as necessary. You could also get 2 PRI spans and 5 or 6 regular phone lines for backup.
I'm more of a Definity guy, but on that platform you can display reports of what percentage of calls went over your T1 route versus your backup route. If you see an excessive number of calls going over the backup route and also print All Trunks Busy reports, you know you need to add more lines. I don't know if similar reporting is available on the Legend/Magix.
Shoot me an e-mail when you get a chance...
KristianDG @ TheGuntzelmans.com
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