How to Login with phone number without extension? [duplicate] in magento 1

Override Mage_Customer_AccountController to your local module and update loginPostAction function with below code.


    ......
    if ($this->getRequest()->isPost()) {
        $login = $this->getRequest()->getPost('login');
        // NEW CODE ADDED
        $phoneNumber = $login['username'];
        $customer = Mage::getResourceModel('customer/address_collection')
            ->addAttributeToSelect('telephone')
            ->addAttributeToFilter('telephone', $phoneNumber)
            ->getFirstItem()->getCustomer();
        if ($customer !== false) {
            $login['username'] = $customer->getEmail();
        }else{
            $login['username'] = $phoneNumber;
        }
        // NEW CODE COMPLETED
    .......