Cisco IOS Release 12.1(2)T

• Clearing System DS0s High Water Mark Value for Cisco AS5800, Cisco AS5300

• Configurable Timers in H.225

• Ecosystem Gatekeeper Interoperability Enhancements, Phase 2

• H.323 Support for Virtual Interfaces

• MICA In-Band Framing Mode Control Messages

• VoIP Authentication (UNI-OSP) Feature