H323Phone is a free H.323-based softphone, which can be used to make or receive calls through Internet.
It is compatible with all Voip (Voip over IP) service providers, that support H.323 protocol.
Main features:
- Compatible with Windows 98/Me/2000/XP/2003/Vista
- Supports work behind NAT/Firewall (STUN is used)
- G.711, iLBC codecs
- Voice Activity Detection (reduces data traffic sent during silence periods)
- Automatic adjustable Jitter buffer
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