🚀 go-pugleaf

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. 
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
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