Settings

• What are the system requirements to use the premium Yahoo! Voice services?
• Can I make a Test Call before signing up?
• How can I make sure that I can use the service before signing up?
• Can I use Yahoo! Voice services from behind a firewall?
• Can I use Yahoo! Voice services on a different PC, such as at an Internet café?
• HOW CAN I CHANGE THE SOUND VOLUME?
• Can I change the Caller ID that's exposed when I make calls from Yahoo! Voice services?
• Any keyboard shortcuts I can use when making phone calls with Yahoo! Messenger?

Calling and Dialing Instructions

• How do I make international calls in Yahoo! Messenger?
• How do I make domestic calls in Yahoo! Messenger?
• Can I call mobile telephone numbers?
• Can I call 411, 555-1212, and other Directory Assistance or operator-assisted numbers?
• Can I dial using letters?
• What kinds of firewalls are supported to use Yahoo! Voice services?
• What ports are used by Yahoo! Voice services?
• Does it matter if I have a slow or fast network connection when using Yahoo! Messenger's PC-to-PC voice service?
• What kinds of network address translators (NATs) are supported to use the Yahoo! Voice services?

Sound and Connection Issues

• Why is there an echo?
• Why is the other person’s voice choppy?
• I can't hear or be heard.
• The sound device is currently in use by another audio application.
• I am unable to use the Yahoo! Voice services due to a connection problem. What might be causing this?
• Why can't I connect to the voice servers?
• Why can't Yahoo! Messenger access my microphone?
• Why is it important that I provide feedback about the call quality?

Soundboard and Soundtrack

• What is Soundboard?
• How do I play Soundboard?
• What is Soundtrack?
• How does Soundtrack work?
• What do I need to use Soundboard and Soundtrack?
• Can I change the default Soundboard sounds?
• Is it possible to download the Soundboard sounds someone plays?
• What if my friend doesn’t have the latest version of Messenger or is on a telephone?
• Can I get more sounds?
• Can I turn off the sound my friend is playing?
• What happens when my friend and I are both running Soundboard and/or Soundtrack?
• What audio formats are supported for Soundtrack?