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What error message are you getting? Also, did you remove those trunks from LCR (with the AFRS/L/N commands)?

I have a bunch of DT700 phones, which is the IP version of the DT300. I bought those in like 2009. And yes, I have the screen issue. Not a whole lot, but definitely one of the main reason of failure of the phone. Action 1: unplug and reconnect the phone. Action 2: As suggested earlier, remove...

I'm still looking for a workaround for this. If anybody has any ideas...

Got them. Thank you.

Also, how do you actually install this standard SIP. I have some document that I need to have NEC 3C PBX, which I don't have.

beleveder - please link to phones@my.jetsons.email

Yes, using feature A-121, Add-on Conference, and my software version is V9.5. Using CP02-s in the system

So the scenario I have on the SV9500 is this: persons A, B and C are on a conference call. RT909 is being used to provide a 3-party conference. All good. Now person D, whose phone has person A, or B or C's line appearing on his own phone, picks up that line. Thereby he joins the 3-party...

When looking at good on-prem replacement systems, what comes to my mind is asterisk, freepbx, and freeswitch (so far). But I have to be able to mimic or duplicate existing NEC functionality as closely as possible: 1) Try using NEC phones with stanard SIP firmware 2) Have multiple lines show up...

OK my email is phones@my.jetsons.email If you have the SIP firmware for DT700, DT800 and DT900 phones, I'll take them all.

As ipLDKInstaller said: "NEC should give a final, license-free edition of their pbx software." I couldn't agreem more!!! As for cloud, besides cost, I woulnd't ever trust an outsider to host my phone system and have access to all my internal informations. Besides, a hosted solution relies on...

belevedere - for the life of me, I can't seem to find a way to send you a pm with email address. Is that an option on this forum?

Does anyone have standard (non NEC) SIP firmware for DT900 phones? ITK-24

I'd like to get the Standard SIP firmware for the DT800 phones. ITY6 and ITZ 24/32 phones.

Hi DoubleDriveLine, Thanks for your input. As you say, Asterisk-based systems are a very strong alternatives. In fact, I have them running, with PRI to the NEC system, for some custom application. However, I have a "huge empire" of networked NEC systems, and can't just change them out...

Riding it out is a good idea. But I have an appliance model SV9500. What happens is a CPU dies? I get one from ebay. And then somehow I need a new license file that allows the new CPU with its new hardware key code...

And now, NEC just announced the latest update to the SV9500, V11.

With testing I've found the following: When I dial and get connected to the trunk, my phone shows a timer indicating how long the "call" has been going on. Then when the audio device turns off, the timer stops, but my phone stays connected to the trunk. Then 30 seconds later my phone...

In my SV9500, I have an old PA-16COTB card. Currently, there are 4 trunks programmed on that card, each its own route as they serve different purposes. They are all configured as loop start. I've programmed a new route and new trunk onto that card. The puprose is that when you dial the access...

I'm still open for suggestions. I've reinstalled windows and then the voicemail all from scratch and re-created about 300 voicemail boxes from csv file. Informed the users to re-set up their boxes. This is working fine, but in the control window where there is this traffic light with red,yellow...