TANDBERG Gatekeeper User Manual download pdf (Page 42)

TANDBERG Gatekeeper User Guide

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In addition, the DNS records should be updated with the address of the Border Controller as the

authoritative Gatekeeper for the enterprise (see Appendix A). This ensures that calls placed using URI

dialing enter and leave the enterprise through the Border Controller, allowing successful traversal of the

firewall.

Figure 18: Configuring IP interface

9.3. Receiving a Call Using URI Dialing

When an incoming call has been placed using URI dialing, the Gatekeeper will receive a request

containing the dialed URI in the form user@host. As described in DNS Records (section 9.4), several

mechanisms could have been used to locate the Gatekeeper. Depending on which was used, the

received URI could be in one of three forms:

Each of these should be able to discover an endpoint registered as either user or

On receipt of the URI the Gatekeeper will modify the URI by removing the @ and host if the host matches

either:

 The IPv4 or IPv6 address of the Gatekeeper, or

 The system name of the system.

The Gatekeeper will then search for registrations which match either the modified URI, or the modified

URI with its own Local Domain Domain Name appended.

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TANDBERG Gatekeeper User Manual Page 42