Allow shortcodes to be validated as proper numbers in OpenVBX. This is theoretical and untested.

gistfile1.php

<?php

/**
 * Allow Shortcodes to be validated as normal phone numbers in OpenVBX
 *
 * Open the file `OpenVBX/libraries/PhoneNumber.php` and replace the function 
 * `PhoneNumbers::normalizePhoneNumbertoE164` with the function definition below.
 * Then replace the `$shortcodes` array members with a list of numbers to
 * be considered valid shortcodes.
 */
public static function normalizePhoneNumberToE164($phone) {
	
	// replace the array members here with the 
	// shortcodes to be validated
	$shortcodes = array(
		'12345',
		'67890'
	);
	if (in_array($phone, $shortcodes)) {
		return $phone;
	}
		
	// convert letters to numbers
	$phone = self::convertAlphaNumeric($phone);

	// get rid of any non (digit, + character)
	$phone = preg_replace('/[^0-9+]/', '', $phone);
			
	// validate intl 10
	if(preg_match('/^\+([2-9][0-9]{9})$/', $phone, $matches)){
		return "+{$matches[1]}";
	}
			
	// validate US DID
	if(preg_match('/^\+?1?([2-9][0-9]{9})$/', $phone, $matches)){
		return "+1{$matches[1]}";
	}
				

	// validate INTL DID
	if(preg_match('/^\+?([2-9][0-9]{8,14})$/', $phone, $matches)){
		return "+{$matches[1]}";
	}
				
	// premium US DID
	if(preg_match('/^\+?1?([2-9]11)$/', $phone, $matches)){
		return "+1{$matches[1]}";
	}
				
	return false;	
}