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Posts Tagged ‘telephone’

Phone line cordless link extender system up to 20 km – ALCON CT 7 SS. Video Review by www.cordless4u.com

Tune into Hak5 this week for Pulse Code Modulation, Time Division Multiplexing and more!

The video is about the illegal telephone exchange which was operational in Amritsar , India. The culprits were terminating the traffic through Foreign VSAT and Foreign Internet Service providers in India and further switching it through local Indian PSTN network. This setup has caused the loss of Rs. 3 Crore to the Telecom Department in India. The video is just to show how these setups are operational.

We are designing the following circuit.
http://www.electronic-circuits-diagrams.com/microcontrollers/1.gif (diagram)
http://www.electronic-circuits-diagrams.com/microcontrollers/microcontrollers1.shtml (description)
But we do not have a PSTN telephone system in our school. Can somebody pls suggest a method to simulate those ring patterns by using the signal generator or any other method?

I need to connect this model number kx-tg1061 cordless telephone with tda-50 or any panasonic pbx system.

ermmm hi everyone , may i know some information about [ how the long distance routing of telephone calls is achieved] isit using PSTN ? thanks

There is about 50 buttons on this phone and I figured out what they all do, but there must be a key combination that allows you to set the extension name. I’ve seen a telecom worker do it from one of these phones before so I know access to our PBX is not necessary. Any ideas?

Can Anyone tell me what site I must visit that will tell me abou Telephone Network System in detail?
I tried Googling about it but the links were not that detailed.
Here are the links that I found but I still need something that is more detailed like “how to set-up a Telephone Network System”:

http://www.dmine.com/phworld/network/

http://electronics.howstuffworks.com/telephone.htm

en.wikipedia.org/wiki/PSTN
www.wpi.edu/Admin/RSO/Oncampus/telecom.html

I cannot get the IP phone to work and am wondering if it has anything to do w/ my home telephone service being VOIP and using an IP address.

I didn’t subscribe for the phone service,but only for the adsl connection

Red telephone box in a rural location.

Hi, I am trying to connect an ADSL modem-router to my old Australia telephone line. The modem-router plug is RJ11 and does not fit in the old Australia telephone line. Do I need some sort of Splitter or Adaptor?
Thankyou!!
Dean Crothers

SENAO SN 358 PLUS ( SN-358+) Long range 5-10km Multiple-Handsets Cordless telephone – Hq Video product review by www.cordless4u.com Original brand new – Senao ROC Taiwan RANGE Indoor antenna : Max Range with out line of sight 500 m -1 km. Max range In line of sight is up to 2 km Outdoor antenna : Max Range with out line of sight 2 m – 8 km. Max range In line of sight is up to 15 km Multiple-Handset system (Up to 99) Walkie-Talkie Between Handsets. Intercom between base and handsets Handset & Base Speakerphone. Multi-Languages Display (English, Russian, Arabic, Turkish, Spanish) High Capacity Battery (1050mAh) FSK/DTMF Caller ID Ideal phone for SOHO , Business or Industry cordless communication needs. cordless4u.com CORDLESS 4U – Worldwide delivery & supply

The video is about the illegal telephone exchange which was operational in Amritsar , India. The culprits were terminating the traffic through Foreign VSAT and Foreign Internet Service providers in India and further switching it through local Indian PSTN network. This setup has caused the loss of Rs. 3 Crore to the Telecom Department in India. The video is just to show how these setups are operational.

The video is about the illegal telephone exchange which was operational in Amritsar , India. The culprits were terminating the traffic through Foreign VSAT and Foreign Internet Service providers in India and further switching it through local Indian PSTN network. This setup has caused the loss of Rs. 3 Crore to the Telecom Department in India. The video is just to show how these setups are operational.

i currently have cable telephone and plan to cancel it and get dry loop.. however i was told that i may need to pay a tech to rewire the telephone wires as cable telephony had disconnected certain wiring

can i do this my self? also, if i live in an apartment, do i need to have the tech do this additional re wiring to get dry loop on?

yea just like this , thats what pstn stand for , thx