A systematic approach to understanding the basics of Voice over IP

* Understand the basics of PSTN services and IP signaling protocols, including SS7
* Learn how VoIP can run the same applications as the existing telephony system, but in a more cost-efficient and scalable manner
* Delve into such VoIP topics as jitter,...

• Assessment testing to focus and direct your studies
• In-depth coverage of all exam objectives
• Hundreds of challenging practice questions, in...

Most large enterprises have switched to IP telephony, and service provider backbone networks have largely converted to VoIP transport. But there’s a...

The first edition of TCP/IP Network Administration was written in 1992. In the decade since, many things have changed, yet some things remain the same. TCP/IP is still the preeminent communications protocol for linking together diverse computer systems. It remains the basis of interoperable...

• Design enterprise switched networks

• Use VLANs and STP...

As one of the most predominantly deployed Interior Gateway Protocols, Open Shortest Path First (OSPF) demands a wealth of knowledge on the part of internetworking professionals working with it on a daily basis. Unfortunately, publicly available documentation on the OSPF command set varies from being too thin on coverage to...

MPLS Configuration on Cisco IOS Software is a complete and detailed resource to the configuration of Multiprotocol Label Switching (MPLS) networks and associated features. Through its practical, hands-on approach, you'll become familiar with MPLS technologies and their configurations using...