Cisco Gatekeeper External Interface Reference, Version 1

• About This Guide
  About This Guide section in Cisco Gatekeeper External Interface Reference (GK API Guide Version 1)

• Overview of H.323
  Chapter 1 in Cisco Gatekeeper External Interface Reference (GK API Guide Version 1)

• Overview of the Cisco IOS Gatekeeper
  Chapter 2 in Cisco Gatekeeper External Interface Reference (GK API Guide Version 1)

• Implementing an External Interface to the Cisco IOS Gatekeeper
  Chapter 3 in Cisco Gatekeeper External Interface Reference (GK API Guide Version 1)

• GKTMP Messages
  Chapter 4 in Cisco Gatekeeper External Interface Reference (GK API Guide Version 1)

• Gatekeeper API Functions and Structures
  Chapter 5 in Cisco Gatekeeper External Reference (GK API Guide Version 1)

• New Gatekeeper Commands
  Chapter 6 in Cisco Gatekeeper External Interface Reference (GK API Guide Version 1)

• Cisco Gatekeeper External Interface Reference, Version 1
  Book-length PDF