Pulse dialling and DTMF what is the difference?
All of our vintage rotary dial telephones and some (but not all) of our push button telephones are Decadic or Pulse-dialling .
This means that the decadic phones can dial out fine, and make calls. However what they cannot do is interact with voicemail which requires a DTMF or VF tone dial phone to do. It also means if you need to "press 3 for a representative" when you are calling a call centre or doing your telephone banking, a decadic phone will not work, you need a DTMF phone.
Pulse dialing, dial pulse, or loop disconnect dialing, also called rotary or decadic dialling in Australia (because up to 10 pulses are sent), is pulsing in which a direct-current pulse train is produced by interrupting a steady signal according to a fixed or formatted code for each digit and at a standard pulse repetition rate.
Dial pulsing originated with a rotary dial integrated into telephone instruments, for the purpose of signaling. Subsequent applications use electromechanical or electronic circuits to generate dial pulses.
The pulses are generated through the making and breaking of the telephone connection (smilar to flicking a light switch on and off); the audible clicks are a side effect of this. As a result, all that is really needed to dial a number with pulse dialing is a switch. Each digit in the number is represented by a different number of rapid clicks. In most countries one click is used for the digit 1, two clicks for 2, and so on, with ten clicks for the digit 0; this makes the code unary, excepting the digit 0.
Individual digits in a phone number need to be separated with a short pause so as not to merge into each other (originally, to give the uniselector rotary relays at the exchange time to rotate). In rotary systems this interdigit interval is provided by the slow rotation of the mechanical dial.
Most fixed-line phones now use dual tone multi frequency (DTMF, also called touch tone or tone dialing), supported by push-button telephones, rather than pulse dialing, but most telephone equipment retains support for pulse dialing for backward compatibility.
Tyco 'Lego' Telephone Retro 1980s Tyco Super Blocks Telephone by Tyco. Made in 1980s. Phone features: ringer may be set at high low and off; it has a switch so you can set it for DTMF (tone) or decadic.It mute key last-number redial slide out drawer for storage. It originally came with 18 extra lego blocks to play with (there are no extra blocks with this phone). This is a rare 1980s phone. It has had faulty components replaced and been tested. It is in good condition you can call out and it rings on incoming calls. This phone comes with an modern RJ12 lead you may need an adaptor here or other adaptors here you may need an ADSL filter information on ADSL with retro phones here) Tyco 'Lego' Telephone Retro 1980s click the link
Vintage Black Bakelite PMG 400 AT Telephone 1950s The last of the bakelite phones introduced in the 1950s. They were available in black or ivory. The phone is very heavy weighing 2.3 kg. This is a rare vintage phone. It has been cleaned and refurbished and is good mechanical order. It has some imperfections as would be expected on a 50 year old phone however it is in very good condition. The bells ring lound and clear and transmission is good. It is good example of a working 50+ year old telephone. Dials decadic it will not dial DTMF tones that you use for voicemail/call centres etc. However it dials telephone numbers fine information on decadic here. The bakelite black telephone comes with comes with a RJ11 phone cable that fits RJ12 sockets like these. You may need an adaptor here or other adaptors here you may need an ADSL filter information on ADSL with retro phones here. Vintage Black Bakelite PMG 400 AT Telephone 1950s click the link
Vintage Fleece White ACF 807 Push button Touchfone Telephone 1980s One of the last of the ACF phones. The first Touchfone was introduced in 1978. The 807 was produced in the mid 1980s. This is not a refurbished telephone this is brand new and unused and manufactured in Australia in the mid 1980s. Dials decadic so even though it is pushbutton it will not dial DTMF tones that you use for voicemail/call centres etc. The * and # buttons do not dial anything. However it dials telephone numbers fine information on decadic here. Information on where it will work here . The phone has a rubber grommet replacing the switchhook flash button. It comes with a standard 605 telecom plug you may need an adaptor here or other adaptors here you may need an ADSL filter information on ADSL with retro phones here) Vintage Fleece White ACF 807 Push button Touchfone Telephone 1980s related info
1950s Payphone Coin Phone Reproduction -Aqua Blue This American 3-slot style payphone was first introduced in the 1950’s and remained virtually unchanged until 1965. This coin phone will take you back to the days of phone booths red coin phones public phone boxes and 10 cent calls. While you don't have to pay for your calls with this phone now you can still enjoy the functional coin slots complete with jingle as your money is deposited into the coin bank (lock and key supplied) in the base of the unit. Retro design Push Button Dialling Redial Button Ringer on/off switch Tone/Pulse Switch Earpiece Volume Control Coin Bank Wall Mountable Does NOT require coins to make calls. Dimensions: H46.5 x W17 x D13cm The payphone comes with a RJ11 phone cable that fits RJ12 sockets like these. you may need an adaptor here or other adaptors here you may need an ADSL filter information on ADSL with retro phones here link here
One Deep Red Ericofon Rotary Dial Phone. Refurbished and In excellent condition. This is a Northern Telecom version similar to those sold by Telecom Australia /PMG in the 1960s and 1970s however this model was sold in the USA. It can make outgoing calls and receives calls and it does ring with an Ericotone buzzer. Has a standard R12 modern plug . These are very rare and this colour even rarer in Australia. Telecom/PMG sold a Red Ericofon but not a deep red colour like this example. A fantastic special gift. Get other different coloured Ericofons - click here The History of the Ericofon The Ericofon is a Swedish telephone handset created by Ericsson. It was designed in the late 1940s by a design team including Gösta Thames Ralph Lysell and Hugo Blomberg. A specific feature of the telephone is that the two major components--the handset and the dial--are combined in a single unit. This one-piece design anticipated the evolution of the typical cordless phone and cell phone by several decades. The Ericofon is considered a landmark in plastic industrial design. The serial production began in 1954. The earlier models were only sold to institutions but in 1956 production for information
Vintage Golden Haze ACF 8081 Push button Touchfone Telephone 1980s The last of the ACF phones a Touchfone introduced in the mid 1980s. This is not a refurbished telephone this is brand new and unused and manufactured in Australia in the mid 1980s. Dials DTMF. The phone has a switchhook flash button. It comes with a standard 605 telecom plug you may need an adaptor here or other adaptors here you may need an ADSL filter information on ADSL with retro phones here) Vintage Golden Haze ACF 8081 Push button Touchfone Telephone 1980s more information.....
New reproduction Black Retro Dial Phone View other new reproduction retro rotary dial telephones here A reproduction of old retro dial telephones with modern features like tone dialling and last number redial. This phone does not have a rotating dial like our refurbished rotary dial phones you just press the number you want directly like any push button telephone. This phone will dial tone or DTMF (explained here) so you can use it on Voicemail and Telephone banking. Touchtone dialling Push-button dialling. Last number redial Redial the last number called with a single button press. Hi/Lo ringer Adjusts the volume of the ringer. Network feature compatible Including call waiting and recall. Hearing aid compatible The phone contains an inbuilt inductive coupler which offers Hearing Aid users clearer sound. Simply switch your hearing aid to the “T” setting to use this function. telephone comes with a RJ11 phone cable that fits RJ12 sockets like these. If you have old Telecom/PMG 610 sockets you may need an 610 adaptor here. or o click the link
Red 891 Telecom Wallfone from the 1970s extremely rare. This is a extremely rare Telecom 891 series Wallfone in red colour. The Wallfones came in White Ebony Brown Maize Yello Powder Blue Driftwood Beige and Black. Only very few were made in red for emergency phones (in lifts) and fire stations. This phone has been refurbished . It has been buffed and polished but still has some fine surface scratching and marks as you would expect from a 40 year old telephone. It has a wall bracket to allow it to be attached to the wall. This is not a junky phone like those being sold on eBay or sitting in someone's shed or bought at a garage sale - this is a quality telephone. Dials decadic it will not dial DTMF tones that you use for voicemail/call centres etc. However it dials telephone numbers fine information on decadic here. The red wallfone telephone comes with a RJ11 phone cable that fits RJ12 sockets click here
Replica Chrome Vintage Bakelite King Pyramid model 162 Telephone 1930s This is a modern replica of the The King Pyramid phone that was introduced in 1929. It was supplied by the PMG in Australia in the 1930s. This Chrome reproduction retro phone has all the modern features while still keeping the 1920s design. You can turn the ringer on and off. You can turn the receiver volume high and low. You have last number redial and call hold. This Telephone dials tone and decadic it has a switch so you can switch it between pulse/decadic and DTMF. This means you can use this retro reproduction rotary dial phone for voicemail/call centres etc. This phone is brand new. The replica pyramid telephone comes with a RJ11 phone cable that fits RJ12 sockets like these. If you have old Telecom/PMG 610 sockets you may need an 610 adaptor here. or other adaptors here you may need an ADSL filter information on ADSL with retro phones here Replica Vintage Bakelite King Pyramid model 162 Telephone 1930s - Chrome colour more data
Red Nordicofon replica Ericofon Dial Phone NEW. A replica of the Swedish designed Ericofon. Has all modern telephone features - Push Button Dialling Electric Ringer Receiver and Ringer Volume Control Switch as well as Last Number Redial. The base contains the numeric key pad for dialling and to answer the phone simply lift it up similarly to hang up simply place the phone back down. This phone is brand new. The Red Nordicofon comes with a RJ11 phone cable that fits RJ12 sockets like these. If you have old Telecom/PMG 610 sockets you may need an 610 adaptor here. or other adaptors here you may need an ADSL filter information on ADSL with retro phones here Get other different coloured Ericofons and replicas - click here The History of the Ericofon The Ericofon is a Swedish telephone handset created by Ericsson. It was designed in the late 1940s by a design team including Gösta Thames Ralph Lysell and Hugo Blomberg. A specific feature of the telephone is that the two major components--the h much more info
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