Firebase Phone Auth. Customize time request OTP

[ros Sreymeymey]

Hi

My app has been error SMS verification code request failed: unknown status code: 17499 Error code:39.

 

How much in the limit of SMS with in how much time for any phone number .

 

So how to know time phone number has block within time able to login again .

 

I want to know how to custom how many time  can login request OTP again.

 

Normally, I’m able login request OTP 4 time. So if custom able login

 

request OTP 2 time so how to custom on this issue build with 

 

platform Flutter  with dart.

 

 

 

Thank,