attorney Travis Walker ? you are being sued california, California

Today I received a phone call at 20 minutes to noon from what sounded like a Indian ,not a real native american ,but what sounded like someone from India .This caller told me I was being sued and there was a lawsuit against me .When I questioned the caller as to the nature of this lawsuit he said he was not sure what the case against me was only that I was to call 951-389-0294 and speak to attorney Travis Walker ,he said I could possibly be arrested if I did not comply and that I had to call this attorney today.