| ??? 03/25/05 14:53 Read: times |
#90410 - MT8888 + CP detection Responding to: ???'s previous message |
As I know that I must receive tone and decode through MT8880 ? Of course, you should do it with MT8880 or MT8888 (whatever you are using) but some frequency can't decode with MT8888, 350Hz, 440Hz, 480Hz, so how can I do ? MT8888 has a special mode where you can use call progress filter and it can reliably detect frequencies you mentioned above. Note that call progress tones can only be detected when CP mode has been selected. Figure 8 (refer to datasheet) indicates the useful detect bandwidth of the call progress filter. |
| Topic | Author | Date |
| Signal feedback detect | 01/01/70 00:00 | |
| Call Progress Detection | 01/01/70 00:00 | |
| Call Progress Detection | 01/01/70 00:00 | |
| Ring Detect | 01/01/70 00:00 | |
| re:Ring Detect | 01/01/70 00:00 | |
| MT8888 + CP detection | 01/01/70 00:00 | |
MT8888 + CP detection | 01/01/70 00:00 |