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Vintage Telephony and Telecomms Vintage Telephones, Telephony and Telecomms Equipment |
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23rd Nov 2016, 5:58 pm | #1 |
Retired Dormant Member
Join Date: Nov 2016
Location: Belfast, Northern Ireland, UK.
Posts: 2
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Total Newbie with a 330
Hi folks, thanks for taking the time to read my thread. I have recently inherited an old phone. It says Standard London, Made in England on the front and on the base it is marked 330 . PX/51/2A 4509J TFG. So I believe this to be a GPO 330 Series, but please correct me if I'm wrong.
The phone appears to have been modified with a new BT Line Cord which appears to be wired correctly in the following manner. T10 - T11 Strap Removed T11 - T12 Strap Removed T8 - T9 Strap Inserted T1 - T2 Strap Inserted 3.3K ohm resistor between T11 and T12. Red of line cord to T9 White of line cord to T1 Blue of line cord to T11 Green of line cord to T3 Again please correct me if this is wrong. All appears to be working fine at my friend's house, but when I plug it in at home, numbers are not recognised when I dial out. It receives calls fine. I'm hoping someone can possibly point me in the right direction. Thanks. |
23rd Nov 2016, 6:37 pm | #2 |
Heptode
Join Date: Apr 2011
Location: Edinburgh, UK.
Posts: 805
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Re: Total Newbie with a 330
Are you on Virgin Cable or any other non-conventional landline telephone service? Some of those don't accept pulse (rotary) dialling.
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23rd Nov 2016, 7:02 pm | #3 |
Guest
Posts: n/a
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Re: Total Newbie with a 330
I got one of these for the missus 706 http://www.rotatone.co.uk/ TalkTalk does accept pulse dialling but it's handy to have for # etc..
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23rd Nov 2016, 7:54 pm | #4 |
Retired Dormant Member
Join Date: Nov 2016
Location: Belfast, Northern Ireland, UK.
Posts: 2
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Re: Total Newbie with a 330
No, both properties are with BT, very possibly on the same exchange as they are only a couple of miles apart.
Thanks for your suggestions ! |
23rd Nov 2016, 11:25 pm | #5 | |
Dekatron
Join Date: Jul 2007
Location: Penrith, Cumbria, UK.
Posts: 3,687
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Re: Total Newbie with a 330
Quote:
Have you tried another loop-disconnect telephone on your line? One that you know works elsewhere?
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24th Nov 2016, 8:56 am | #6 | |
Dekatron
Join Date: Feb 2005
Location: West Cumbria (CA13), UK
Posts: 6,130
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Re: Total Newbie with a 330
Quote:
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24th Nov 2016, 1:57 pm | #7 |
Dekatron
Join Date: Jan 2003
Location: Bradford on Avon, Wiltshire, UK.
Posts: 3,310
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Re: Total Newbie with a 330
They could have a line from another service provider running over BT lines. It's called Local Loop Unbundling. Just because it comes from the BT exchange over (Openreach) copper network doesn't necessarily mean the service/dial tone comes from BT. Other service providers have their kit in "our" exchanges.
Put a push button tone dial phone on it and dial 17070. If you get " This circuit is defined as (the telephone number). Welcome to your Openreach line test facilities. Please......" then it's a BT number. If the line concerned has the CLI withheld then prefix above with 1470( so 1470 17070) Anything else and it's a non BT line.
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29th Nov 2016, 9:47 pm | #8 |
Nonode
Join Date: Oct 2014
Location: West Midlands, UK.
Posts: 2,181
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Re: Total Newbie with a 330
Is the line configured for pulse ? I just hook up phone to line ,get dial tone and tap the hook springs once or twice. If you break dial tone, then line accepts pulse dialling.
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29th Nov 2016, 9:58 pm | #9 |
Dekatron
Join Date: Jul 2007
Location: Penrith, Cumbria, UK.
Posts: 3,687
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Re: Total Newbie with a 330
You must be very careful doing this, as you might inadvertently dial 1-1-2, which is the Emergency Services, and you'll have some explaining to do...
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Regds, Russell W. B. G4YLI. |
30th Nov 2016, 9:31 pm | #10 |
Nonode
Join Date: Oct 2014
Location: West Midlands, UK.
Posts: 2,181
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Re: Total Newbie with a 330
Usually one tap is enough to break dial tone , as I'm well aware of this . However, I'd imagine that 112 takes you to BT operator ,and if you talk nicely to them and admit wrong number in the correct manner, they will accept it as that.
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1st Dec 2016, 12:49 pm | #11 |
Dekatron
Join Date: May 2008
Location: Derby, UK.
Posts: 7,735
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Re: Total Newbie with a 330
Incidentally, that is the whole reason why 999 was used for the emergency services in the first place!
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1st Dec 2016, 7:32 pm | #12 |
Heptode
Join Date: Apr 2011
Location: Edinburgh, UK.
Posts: 805
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Re: Total Newbie with a 330
Well, part of the reason
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3rd Dec 2016, 3:00 pm | #13 |
Heptode
Join Date: Jul 2007
Location: Flintshire, UK.
Posts: 707
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Re: Total Newbie with a 330
The ease with which a Dial No 9 or 11 could be modified to allow free calls was the real reason that 999 was adopted. '0' for the Operator could already by dialled by those two dials because of a little screw on the auxiliary cam. By adding another screw a '9' could also be dialled 'for free' and few folk had a number consisting of 9's and 0's ! Other 'reasons' have appeared since!
Ian |