Cisco Cisco IOS Software Release 12.4(9)T Fascicule

© 2008 Cisco Systems, Inc. All rights reserved.

36

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Extends negotiation of RSVP 
CAC/QoS across CUCM clusters*, 
Gateways, CUCME and CUBE

• 

More SIP supplementary services

• 

Better interoperability with CUCM

For Branch Offices and 
Enterprise Businesses

ƒ RSVP Preconditions (RFC3312)

TDM Gateway
Cisco Unified Communications 
Manager Express

ƒ Audio RSVP enhancements to 

support reINVITE or 302 based 
supplementary services on 
gateway 

ƒ RSVP support on the SIP trunk 

of SCCP-CUCME

ƒ SIP SRTP Fallback to Non-

secure RTP and SRTP over sip: 

scheme for CUBE

ƒ SIP Diversion Header 

Enhancements 

ƒ SIP History INFO 
ƒ SIP Multicast Music on Hold