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Teletype no, haven't touched one in 30 years, and that was headed to the scrap bin after cleaning out an old storage room. Try looking for a TDD (Telecommunications Device for the Deaf) device, or better yet a transcription service that can integrate with Teams.

Check the I/O NTPs. Here is what I found over at PBX Cookbook, looms like it is a phone prompt as opposed to a LD 10 or LD 11 prompt. https://pbxbook.com/meridian/admin/modtelfea.html

Any phone system with a voicemail can do this. What you want to do is to program the phone as a "Hotline" or "Ringdown". You will set the destination to the extension of the Auto Attendant on your voicemail that you built with the menu. In Hotline aka Ringdown mode the phone will call the...

Does anyone know the pinout of the Miran III MC-8 Audio Adapter Part: A0870611? I have the ethernet connection working on VGR/VBR pairs, but am looking to connect to it on the serial port to do some initial configuration and hook up the Audio Input via a regular BIX strip. I have looked in to...

It is located on the card in Slot 1 and the amphenol that has ports 24-47. For the exact pair in the amphenol, see the installation guide. I would guess the pair could possibly be the YGR pair.

Yes, that should work fine. Another option would be to get a line simulator such as a Teltone TLS-5 which has 5 FXS ports, and programmable number plan and Caller-ID Name.

The UC520 is quite the antique at this point, End of Sale 2011, end of Support 2016. It is just Call Manager Express and Unity Express under the hood. Try doing a port scan win NMAP or ZenMAP (windows) of the subnet and see what answers, it should have an HTTPS port open for Call Manager and...

LD 32 and a few others https://pbxbook.com/meridian/maint/maint11.html edit: this brings back memories, been a VERY long time since I did M1.

The first one is a 6p4c "RJ-11" I think Suttle or Reliance used to make them, haven't used them in a very long time. Good for solid conductors. The second is a standard USOC 8p8c "biscuit" jack, again usually made by Suttle or Reliance or other Western Electric clone. This has 110 style...

It could either be a FXO (CO) port off of a Universal Trunk Card, or a FXS Port (Analog) off of an Analog Line Card. My first guess would be an FSX Analog port, put an analog phone on the lone going in to the 'Tel Line" port on the Amp, and call a digital set with a display, it will probably...

Second! for Adtran and EdgeMarc,did a lot of both back in my Tel/MSP days. For Adtrans' I usually deployed a TA900 series, for EdgeMarc a 4500 variant with DS1 ports.

I think 5.3.0.3 was the last release supported, it's been a few years since I updated my ERSs, and that Fw was a bit dated then. I am running Sw 5.7.3.03i and I think that is also the last release supported on the 4500s. I have a mix of Rev 3,5,6 and 12 and they are all on the same Fw and Sw.

Probably little demand for the 900MHz cordless, and/or limited quantities available. When I worked on ESI IVXs I usually used the FXS ports for cordless phones. A nice cheap cordless was easy to replace, or installed an EnGenious phone for long distance coverage.

703 and 571 overlay each other, it sounds like your listed main number (the business mane phone number) is in the 703 area codes so you don't need to dial a "1" to make calls within your local area. The system is probably treating the 571 area code as any other Toll call, you will probably have...

Spin up an Asterisk (choose your flavor) box with a phone or two. Build the PRI on the PBX and on Asterisk with Asterisk as the CO/Net side, then test.

Try the Nortel CS1000 Meridian (PBX) forum, you will probably get an answer there. https://www.tek-tips.com/threadminder.cfm?pid=798

Well if the cable and phone don't work, hopefully the little red Fire Alarm Telegraph box does!

For those long hold sessions with tech support.

Contact the VAR or Cieno (who bought Nortel's Metro Ethernet product line), whomever you have your maintenance agreement with.

Do the other switches show when you "show stack"? Anything in the logs, or on you syslog server, or SNMP monitoring system? Yeah, the default gateway should definitely be something else. Sounds like you need to get hands on site to find out what is happing with those two other switches. iIt...