Merge #633 into sdk602patch0626 from refs/changes/633/head

Merge #633 into sdk602patch0626 from refs/changes/633/head

Code review from 邓雪英

* refs/changes/633/head: (2 commits squashed)

  - 使用CAT1拨打电话增加DTMF接口 @胡工 BLE端调用这个SendDtfmStrNumberToCat1函数即可:解决.py异常报错问题

  - Merge branch 'sdk602patch0626' of https://codeup.aliyun.com/64191456b9581d62e8f81ac0/FD230 into sdk602patch0626

Signed-off-by: d15521469561 <1731678236@qq.com>
Reviewed-by: snickersun@163.com <accounts_62b90f7fcf51ade33b6f628e@mail.teambition.com>
Merged-by: snickersun@163.com <accounts_62b90f7fcf51ade33b6f628e@mail.teambition.com>
link: https://codeup.aliyun.com/64191456b9581d62e8f81ac0/FD230/change/633