August 2006
Intermediate to advanced
648 pages
15h 51m
English
Content preview from Cisco Voice Gateways and GatekeepersBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 12. Configuring Class of Restrictions
Chapter 9, “Dial Plans,” listed the five components of a dial plan. This chapter focuses on implementing calling privileges. The calling privileges component of building a dial plan in a voice gateway is accomplished using Class of Restrictions (COR). COR is typically used in conjunction with Survivable Remote Site Telephony (SRST) or CallManager Express, but you can apply it to any dial peer on a voice gateway to restrict access.
This chapter helps you to do the following:
• Understand how COR operates.
• Use COR to restrict outbound and inbound calls in an SRST gateway.
• Use COR to restrict outbound and inbound calls in a CallManager Express gateway.
• Describe best practices for implementing COR. ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.