How to remove default newsletter registration form email validation magento to add phone number?

[angelo21]

How to remove default newsletter registration form email validation magento to add phone number?
In resume, to replace e-mail by phone number.
Magento 1.9.0.0

Thanks!

[nuwinda]

You are forgetting the purpose of Newsletter system by replacing email with phone number.

Create a small custom module to save Phone numbers instead creating add hoc solution.

[grenmonika4f0d]

Good day! 

You are forgetting the purpose of Newsletter system by replacing email with phone number.