| ??? 09/08/00 17:21 Read: times |
#4979 - RE: Telephone line monitoring: |
Hi Babar,
You can detect ringing signal delivered in the beginig of incoming call to analogue line. For this purposes I use optocoupler. If You like I can send You the scheme in Eagle3.55 or exported to TIFF format. Petr |
| Topic | Author | Date |
| Telephone line monitoring: | 01/01/70 00:00 | |
| RE: Telephone line monitoring: | 01/01/70 00:00 | |
| RE: Telephone line monitoring: | 01/01/70 00:00 | |
| RE: Telephone line monitoring: | 01/01/70 00:00 | |
| RE: Telephone line monitoring: | 01/01/70 00:00 | |
| RE: Telephone line monitoring: | 01/01/70 00:00 | |
RE: Telephone line monitoring: | 01/01/70 00:00 |