openwrt를 실행하는 라우터에 어떤 /dev 장치 phon1이 있는지 어떻게 알 수 있나요?

openwrt를 실행하는 라우터에 어떤 /dev 장치 phon1이 있는지 어떻게 알 수 있나요?

내 라우터(Fritzbox 7360)에 openwrt가 설치되어 있고 아날로그 전화 통화에 사용되는 포트에 낮은 수준으로 액세스하여 사용자 정의 스크립트나 소프트웨어를 사용하여 일부 오디오를 출력할 수 있기를 원합니다.

이를 달성하기 위해 모든 /dev 장치를 나열합니다.

drwxr-xr-x    3 root     root            60 Jan  1  1970 bus
crw-------    1 root     root        5,   1 Jan  1  1970 console
crw-------    1 root     root       10,  62 Jan  1  1970 cpu_dma_latency
crw-------    1 root     root      109,   0 Aug  5 19:36 dsl_cpe_api0
crw-rw-rw-    1 root     root        1,   7 Jan  1  1970 full
crw-------    1 root     root      254,   0 Jan  1  1970 gpiochip0
crw-------    1 root     root       10,  63 Jan  1  1970 gptu
crw-------    1 root     root       10, 183 Jan  1  1970 hwrng
crw-------    1 root     root        1,  11 Jan  1  1970 kmsg
srw-rw-rw-    1 root     root             0 Aug  5 19:36 log
drwxr-xr-x    2 root     root            60 Aug  5 19:36 mei_cpe
crw-------    1 root     root       90,   0 Jan  1  1970 mtd0
crw-------    1 root     root       90,   1 Jan  1  1970 mtd0ro
crw-------    1 root     root       90,   2 Jan  1  1970 mtd1
crw-------    1 root     root       90,   3 Jan  1  1970 mtd1ro
crw-------    1 root     root       90,   4 Jan  1  1970 mtd2
crw-------    1 root     root       90,   5 Jan  1  1970 mtd2ro
crw-------    1 root     root       90,   6 Jan  1  1970 mtd3
crw-------    1 root     root       90,   7 Jan  1  1970 mtd3ro
crw-------    1 root     root       90,   8 Jan  1  1970 mtd4
crw-------    1 root     root       90,   9 Jan  1  1970 mtd4ro
crw-------    1 root     root       90,  10 Jan  1  1970 mtd5
crw-------    1 root     root       90,  11 Jan  1  1970 mtd5ro
crw-------    1 root     root       90,  12 Jan  1  1970 mtd6
crw-------    1 root     root       90,  13 Jan  1  1970 mtd6ro
brw-------    1 root     root       31,   0 Jan  1  1970 mtdblock0
brw-------    1 root     root       31,   1 Jan  1  1970 mtdblock1
brw-------    1 root     root       31,   2 Jan  1  1970 mtdblock2
brw-------    1 root     root       31,   3 Jan  1  1970 mtdblock3
brw-------    1 root     root       31,   4 Jan  1  1970 mtdblock4
brw-------    1 root     root       31,   5 Jan  1  1970 mtdblock5
brw-------    1 root     root       31,   6 Jan  1  1970 mtdblock6
crw-rw-rw-    1 root     root        1,   3 Jan  1  1970 null
crw-------    1 root     root        1,   4 Jan  1  1970 port
crw-------    1 root     root      108,   0 Aug  5 19:36 ppp
crw-rw-rw-    1 root     root        5,   2 Aug  7 16:55 ptmx
drwxr-xr-x    2 root     root             0 Jan  1  1970 pts
crw-rw-rw-    1 root     root        1,   8 Jan  1  1970 random
lrwxrwxrwx    1 root     root             8 Jan  1  1970 shm -> /tmp/shm
crw-rw-rw-    1 root     root        5,   0 Jan  1  1970 tty
crw-rw----    1 root     dialout   251,   0 Jan  1  1970 ttyLTQ0
crw-------    1 root     root       10,  61 Jan  1  1970 ubi_ctrl
crw-rw-rw-    1 root     root        1,   9 Jan  1  1970 urandom
crw-rw-r--    1 root     root      122,  10 Aug  7 14:17 vmmc10
crw-rw-r--    1 root     root      122,  11 Aug  7 14:17 vmmc11
crw-rw-r--    1 root     root      122,  12 Aug  7 14:17 vmmc12
crw-rw-r--    1 root     root      122,  13 Aug  7 14:17 vmmc13
crw-rw-r--    1 root     root      122,  14 Aug  7 14:17 vmmc14
crw-rw-r--    1 root     root      122,  15 Aug  7 14:17 vmmc15
crw-rw-r--    1 root     root      122,  16 Aug  7 14:17 vmmc16
crw-rw-r--    1 root     root      122,  17 Aug  7 14:17 vmmc17
crw-rw-r--    1 root     root      122,  18 Aug  7 14:17 vmmc18
crw-------    1 root     root       10, 130 Jan  1  1970 watchdog
crw-------    1 root     root      253,   0 Jan  1  1970 watchdog0
crw-rw-rw-    1 root     root        1,   5 Jan  1  1970 zero

하지만 내 라우터의 FON1 포트가 어느 것인지 모르겠습니다. 내가 어떻게 감지할 수 있는지 아시나요?

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