🚀 go-pugleaf

Mark J. Cuccia wrote:
> 
> Stanley Cline wrote:
> >
> > "Thomas C. Allard" <m1tca00@frb.gov> wrote:
> >
> > >I once got an unsolicted call and I just hung up without saying anything
> > >other than "Hello" when I first answered the phone.  She called right
> > >back and said we must have been cut off.  I said that we hadn't been
> >
> > What's REALLY bad is the telemarketers that "hang" the line -- that is,
> > when you hang up THEY don't get dropped and when you try to call out
> > they're STILL THERE!  :(
> >
> > The CO in my area is screwed up and occasionally does this on
> > NON-telemarketer calls -- I hang up and my line doesn't clear until the
> > OTHER end hangs up as well.  I have BellSouth looking into this.
> 
> In many types of connections and switches (including inTER-switch calls),
> the connection might not necessarily 'break' right away if the *called*
> party hangs up first. It could take anywhere from five to thirty seconds for
> the called party to be disconnected, available to make another outgoing
> call, if the *calling* party hasn't hung up yet.
> 
> It *used* to be, if the *entire* connection was done with step switches and
> central offices, with *NO* panel/crossbar/ESS/Digital switching offices
> involved in the connection, and with*out* any special
> common-control/XB/timers patched into any of the step switches for the
> calling party to hold up the connection 'forever' if they stayed offhook, no
> matter what the called party did with their switch-hook. Of course, if telco
> were informed by the called party that they couldn't place any calls, repair
> and techs would trace out the connection, and manually 'break' it.
> 
> Also, there can be an immediete forced disconnect... many times, when I call
> the operator, even though I'm finished with my call, and ready to hangup,
> the operator can 'force' me to a disconnect situation, before I even
> actaully hangup. Sometimes, this can be done by radio station talk lines.

On Some PBX systems ie. the Northern Telecom system. The phones have a
"release" button on them. It makes you hang up the call.
The radio station probaly uses a PBX.


> The originating central office I'm in when I get a 'forced' disconnect from
> my own c/o switch -- i.e. when the talkhost and I are finished with the
> call, he 'releases' the call, but I get 'forced' disconnect to/in my own
> central office. I think that 'class of service' indication is used as well
> as SS7 signal delivery.
> 
> I remember getting an immediete 'forced' disconnect when I called up
> directory assistance in Guam, as 011+671-KLondike-5-1212. She answered "Guam
> Directory, what listing?", and I asked for the main administrative office
> number of GTA (Guam Telephone Authority). I went to 'auto-quote', "The
> number is, 646-2100. Please make a note of this. Repeat, 646-2100. Thank you
> for calling", and then had a 'forced disconnect supervision' from GTA,
> through AT&T, to my own BellSouth switch. i.e., I was then hearing only the
> 'rattling' clicks/pops from my own central office switch, a #1AESS.
> 
> MARK J. CUCCIA  PHONE/WRITE/WIRE/CABLE:  HOME:  (USA)  Tel: CHestnut 1-2497
> WORK: mcuccia@mailhost.tcs.tulane.edu |4710 Wright Road| (+1-504-241-2497)
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