PC-to-PC Calling
What is Yahoo! Messenger Call? What are the system requirements for using Voice with Yahoo! Messenger with Voice? How do I run the Call Setup Assistant? How do I install the DSP Group TrueSpeech™ Audio CODEC? How do I place a call? What kinds of network address translators (NATs) are supported to use the PC-to-PC voice feature? What kinds of firewalls are supported to use the PC-to-PC voice feature? What ports are used by Yahoo! Voice services? How do I configure my firewall to make Yahoo! Messenger PC-to-PC calls work? Does my voice call go through a server or via a peer-to-peer connection? What quality of service (QoS) does the voice feature of Yahoo! Messenger offer? How do voice messaging and call history work? How do I use custom ringtones? Why does my network connection speed matter when making PC-to-PC calls? Why does the call quality vary depending on the type of firewall or network address translator (NAT) connection I have? Why is there an echo? Why is their voice choppy? I can't hear or be heard. The sound device is currently in use by another audio application. Why can't Yahoo! Messenger access my microphone? I am unable to use the PC-to-PC voice feature due to a connection problem. What might be causing this? Why can't I connect to the voice servers?
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