From FreeSWITCH Wiki
Yahoo! Messenger
Place holder for now. Information gathered so far.
- TCP SIP signaling.
- sip.yahoo.com port 5061 appears to be correct.
- Speex is the reported codec by some that it uses, the SDP should be looked at to give a list of all they support.
- No SRV records that I could find.
- More information here.