Apple iPhone (For iOS 6.1) - Manual (Page 42)

Chapter 4 Siri 42
To have Siri read the message to you, say “Read it back to me” or “Read me the message.” If it’s
correct, say something like “Yes, send it.”
Noisy environments
In a noisy environment, hold iPhone close to your mouth, but don’t talk directly into the bottom
edge. Continue to speak clearly and naturally. Tap when you finish speaking.
You can also try holding iPhone to your ear to speak to Siri.
Network connection
Siri might tell you it’s having trouble connecting to the network. Because Siri relies on Apple
servers for voice recognition and other services, you need to have a good 3G, 4G, or LTE cellular
connection or a Wi-Fi connection to the Internet.