Cisco Cisco IOS Software Release 12.4(15)XZ
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Release Notes for Cisco 3800 Series Integrated Services Routers with Cisco IOS Release 12.4(15)XZ
New and Changed Information
New Software Features in Cisco IOS Release 12.4(15)XZ
The new software features are:
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Configurable SIP Listening Port
This features provides users the ability to configure the port where SIP messages are listened to.
For more information, see:
SIP Video Support for Telepresence Calls
This feature allows the Cisco Unified Border Element to generate SIP INVITES that include SDP lines
for both voice and voice media paths. This allows the Border Element to provide back-to-back user agent
functionality for both voice and video calls. For more information, see:
for both voice and voice media paths. This allows the Border Element to provide back-to-back user agent
functionality for both voice and video calls. For more information, see:
Gatekeeper Enhancement: Support for extended InterZone Clear Token
Provides additional security to the gatekeeper by ensuring that ARQ and RRQ are not spoofed. For more
information, see:
information, see:
Configurable SIP Parameter Modification
Allows users to change the standard SIP messages sent from the Cisco SIP stack for better interworking
with different SIP entities. For more information, see:
with different SIP entities. For more information, see: