Function isValidContactPhone

isValidContactPhone(phone: unknown): boolean
Validates a full contact number, excluding service and emergency short codes.
Parameters
- phone: unknown
  Phone number to check.
Returns boolean
true for a full phone number a person can be reached on; short codes return false.
Example
```
isValidContactPhone('0771234567'); // true
isValidContactPhone('119'); // false
```
- Defined in phone/validator.ts:36