call now button shows only index.php

Hi,

i created custom theme call now button works fine only index.php not others pages
page.php code as follows

<?php 
if (function_exists('get_header')) {
	    get_header(); 
} 
?>
<?php if (have_posts()) : ?>
    
    <?php while (have_posts()) : the_post(); ?>
    <?php
		global $post;
		echo apply_filters('the_content',get_the_content( $more_link_text, $stripteaser, $more_file ));
        ?>
    <?php endwhile; ?>
    <?php endif; ?>
<?php get_footer(); ?>