Cisco IOS Release 12.1(3)T

• Media Gateway Control Protocol Residential Gateway Support

• PIAFS Wireless Data Protocol for MICA Modems

• Fax Relay Packet Loss Concealment

• Cisco AAA Server MIB and Additional Enhancements for the Cisco AS5300 and Cisco AS5800 Access Servers

• AAA Resource Accounting for the Cisco AS5300 and Cisco AS5800

• Cisco AAA Session MIB

• Call Tracker plus ISDN and AAA Enhancements for the Cisco AS5300 and Cisco AS5800

• Calling-number Outbound Command for the Cisco AS5300

• DTMF-Timer-Inter-Digit Command for the Cisco AS5300

• Interactive Voice Response Version 2.0 on Cisco VoIP Gateways

• WCCP Redirection on Inbound Interfaces

• Monitoring Resource Availability on Cisco AS5300 Universal Access Servers

• Event MIB

• Individual SNMP Trap Support

• Modem Passthrough over Voice over IP

• Enhancements to SIP for VoIP on Cisco Access Platforms

• Preauthentication with ISDN PRI and Channel-Associated Signalling