atcomsystems.ca/forum Forums Wiring - Telecom Carriers - Trunks & Services T1's, CSU's and DSU's T1 Channel Bank Question

What kind of signaling ore you doing between your IVR and the channel bank? … The “duh” answer to your busy-signal is the lines are off-hook. (Somehow I doubt it’s going to be that easy.)

Ok, the provider has told me this
ESF Framing
B8ZS Line Coding
Wink Start

As far as signalling is concerned between the bank and the IVR server. I am not aware of any signalling going on in that regard. The thing is the IVR server is actually just an external modem bank. The bank holds 12 external modems. Basically, I just want to route call through the channel bank to the modem bank. That's it. That's what I want to accomplish.

So what do you think? Do I need to go about this a different way? Need more equipment?

I'm open to suggestions
Thank You

If telco is waiting for a wink and your not giving one you will get a busy. You say wink start, which way? Or both? Also if they are ESF/B8ZS, make sure you are. I would think you wouldn't have sync if you weren't optioned ESF/B8ZS.

I don't know if this means anything, but I can dial out. I have succesfully called others so far. As far a busy signals, those are now gone but the devices I have plugged in are not picking up the lines when they ring. I am so close, what am I doing wrong? Is it possible for the telco to send me dtmf tones or something along those lines?

If your carrier access unit is correctly configured to convert the 24 T1 channels to 24 analog channels You sould be able to disconnect the IVR and just use a standard desk phone to test with . If these are Wink DID's the CO needs your Carrier Access unit to send a WINK "hello I'm ready for this call" back to your provder before the call can be handed off . FIND YOUR MANUAL or try to Google one . You are close .

What model number Carrier Access unit do you have ? Is it a full or partial T1 ? I ask because you say you have 12 modems . The Telco won't be sending ringing generator .

A standard desk phone like those associated with a phone system or just a plain old house phone? Additionally, when you say analog channels, do these consist of dial tones? I noticed when I placed a call, there were no dial tones. I simply dialed and it rang. I'm googling now looking for a manual.

Thank You so very much,
All of you are such great advice and tip givers
I will continue to play with this. Additionally, I will also keep my eyes glued on this forum for new postings.

Once you find your manual verify the dip switch setting for signaling type . loop,immediate,wink or ground .

Would having the telco change signalling types over the T1 line help. I mean other than wink start couldn't it easily be changed to loop or immediate start? I'm just thinking out loud. I don't know if that is the problem or not. It's kind of unusual how I can make calls no problem but my standard phone will not ring when I call it. Instead a message plays saying that the call could not go through. The bank has channel LED lights, when I place a call it does indeed light up so I know the call is getting to the bank. I just don't know what the bank is doing with the call.

No DO NOT have telco make a change . Google your Carrier Access Model Number . There has to be a manual in PDF format out there some where . Or call the manufactuer . Who ordered the T1 and where was the Channel Bank purchased . If you had purchased a RHINO Channel Bank they pretty much self config themselves . You still have not answered many of the questions being asked in prior posts . If you don't tell us we don't know how to really help you in the proper direction . :shrug: