This is a pulse-to-audio converter specially designed for dial-type old telephone. Through this converter, your old telephone can convert the original pulse signal into a dual tone multi-frequency (DTMF) signal. The number dialed by your telephone can be recognized by modern switches to achieve the purpose of dialing. In this way, your love phone is not only used as an ornament, but also can be used in daily life decades ago.
For cities or regions that do not support the pulse dialing signals of old dial-up telephones, it is especially suitable for users who enter the home through network or optical fiber.
The enhanced version can be used on standard local telephone lines, fiber optic or network adapter lines and personal switch lines. You can dial the #* number. It is convenient for automatic voice communication. It has redial function.
It is easy to install and use without removing the telephone. Just connect the two wires of the telephone to the designated terminal and insert the crystal head of the telephone line to use it. Please refer to the picture wiring provided above.
When the connection is completed, after the handles of the telephone are lifted, the indicator lights of the converter turn on (if the indicator lights are not on, please dial L1 and L2) and the telephone can be dialed, each dial will hear the same dual tone signal sound as the modern button telephone in the headphone.
Please note that if the dial is not put on, the indicator should not be on at this time, otherwise, there is a problem with the telephone!
The dialing method is the same as the dialing habit of the old telephone.
Redial method: dial 1 to the end, wait about a second, release the dial, both "redial",
Dial * # Method: Dial 2 to wait for about a second to open the dial, both dial * number,
In the same way, dial 3 is # dial.
Specifications
Material
second-hand