Free PC-to-PC Calling

• Can I call a friend on their PC for free?
• What are the system requirements for calling with Yahoo! Messenger?
• How do I make sure a call sounds as high-quality as possible?
• How do I place a call?
• What kinds of firewalls are supported to make PC-to-PC calls?
• What ports are used for calling with Yahoo! Messenger?
• How do I configure my firewall to make Yahoo! Messenger PC-to-PC calls work?
• How do voice messaging and call history work?
• Can I import ringtones or even record my own, and assign a ringtone to a specific person?

Open Talk

• Has Yahoo! discontinued Open Talk?
• How do I use my proxy or SOCKS proxy to connect to Yahoo! Messenger?

Conferencing

• How do I start a conference?
• How do I start a voice conference?
• How do I invite more people to a conference?