| ??? 01/19/03 21:34 Read: times |
#36808 - detection of pulse dialing for PABX sys |
salam,,,,i m a student and i m developing intercom system then pabx system, i face problem to do pulse dialing using 89c52.
abt pulse dialing, press 1, 0 1 appear on a pin , press 2 0 1 0 1 appear, differntiate b these and dial the right number, i m working on it and i wanna help , 10x |
| Topic | Author | Date |
| detection of pulse dialing for PABX sys | 01/01/70 00:00 | |
RE: detection of pulse dialing for PABX sys | 01/01/70 00:00 |