embedded pause codes in phone number not working on iPhone5
In my new iPhone 5 contact list I have phone numbers followed by pauses followed by additional numbers. The phone number dials correctly but the numbers following the pause never send or send one at time extremely slow. I am not sure why this does not work. I have tried the same numbers on my wife's iPhone 4 and they work fine. Is there a setting I need to change somewhere????
iPhone 5, iOS 6