I'm pretty sure you can use -7 roms in -2 units and higher. I thought I remember Jim saying that he hears noise on the PBX phones that is not present on the CO lines when testing with a buttset, which still indicates a KSU problem.
Bob ---------- Original Message ----------- From: Charles Patterson <[email protected]> To: Jim Gottlieb <[email protected]> Cc: [email protected] Sent: Wed, 18 Aug 2010 22:43:43 -0400 Subject: Re: KX-T: static on KX-TD816 > That sort of puts it into the co camp then. If you are able to verify > that the ksu has good audio, but the caller cannot hear, then we have > to look at the co lines. > > What type of trunks do you have? Cable, FIOS, Verizon pots, T1 with > a channel bank...? The fact that it is 1, 3, and 5 makes it really > an odd problem (haha) but makes me wonder if the lines are coming > through some other circuitry. > > I've often found bad lightning protectors doing weird things to > lines. If they are POTS lines, what type of protectors are on the > lines? If they have plug in modules, you can often swap modules and > see if the problems change with the protectors. > > Also, since it is intermittent, look for any machinery or electric > devices that may be in the vicinity that could cause problems. > > If you still think there may be something in the ksu causing > problems, I would first do a backup of the software, then re- > initialize it and test the lines before uploading the software > again. (hopefully the problem is frequent enough to be able to test > it prior to reloading the backup- a software glitch could hide in > the backup, thus requiring reprogramming). > > If it is a -7, the roms are the same as a -6, and they may even work > in a -5, but I would have to verify that. > You should be able to get a -6 on ebay fairly cheap. > > But your recent test seems to point to the co lines. > > Charles > > Charles Patterson > [email protected] > Patterson Communications, Inc. > Tarrytown, NY > > 2010/8/18 Jim Gottlieb <[email protected]>: > > > > On 2010-08-18 [UTF-8?](æ°´), at 16:54, [email protected] wrote: > > > >> DO YOU HAVE AN 8-EXTENSION CARD ON THIS SYSTEM OR ONLY THE 8 BUILT IN ? > > > > I have both the 8-extension expansion and the 4-CO expansion. > > > > And I just noticed it exhibiting some more bad behavior. I'm now getting > > one-way audio from all stations on trunks 1, 3, and 5. Audio from here goes > > out to the trunk (as verified by listening in directly on the trunk), but > > the internal user hears nothing. > > > > In fact, it seems the problems are always on trunks 1, 3, and 5, and not 2 > > and 4 in case that means anything. > > > > _________________________________________________________________ > > KX-T Mailing list --- http://kxthelp.com/ > > Subscription changes: http://kxthelp.com/mailman/listinfo/kxt > > > > _________________________________________________________________ > KX-T Mailing list --- http://kxthelp.com/ > Subscription changes: http://kxthelp.com/mailman/listinfo/kxt ------- End of Original Message ------- _________________________________________________________________ KX-T Mailing list --- http://kxthelp.com/ Subscription changes: http://kxthelp.com/mailman/listinfo/kxt
