Switching to VoIP
- ISBN13: 9780596008680
- Condition: New
- Notes: BRAND NEW FROM PUBLISHER! 100% Satisfaction Guarantee. Tracking supplied on most orders. Get with Confidence! Millions of books sold!
Much more and a lot more businesses right now have their get phone service through Net instead of neighborhood phone corporation lines. Many businesses are also employing their internal nearby and wide-region network infrastructure to replace legacy enterprise telephone networks. This migration to a single network carrying voice and information is called convergence, and it’s revolutionizing the world of telecommunications by slashing costs and empowering users. The technology of families driving this convergence is referred to as VoIP, or Voice over IP.
VoIP has advanced Internet-based telephony to a viable answer, piquing the interest of businesses tiny and huge. The main reason for migrating to VoIP is price, as it equalizes the costs of long distance calls, local calls, and e-mails to fractions of a penny per use. But the actual enterprise turn-on is how VoIP empowers businesses to mold and customize telecom and datacom solutions making use of a single, cohesive networking platform. These organization drivers are so compelling that legacy telephony is going the way of the dinosaur, yielding to Voice over IP as the dominant enterprise communications paradigm. Switching to VoIP
Developed from real-world encounter by a senior developer, O’Reilly’s Switching to VoIP offers solutions for the most typical VoIP migration challenges. So if you’re a network skilled who is migrating from a standard telephony program to a contemporary, feature-wealthy network, this book is a must-have. You will discover the strengths and weaknesses of circuit-switched and packet-switched networks, how VoIP systems impact network infrastructure, as nicely as solutions for common challenges involved with IP voice migrations. Amongst the challenges discussed and projects presented:
- creating a softPBX
- configuring IP phones
- ensuring high quality of service
- scalability
- standards-compliance
- topological considerations
- coordinating a complete program ?switchover?
- migrating applications like voicemail and directory services
- retro-interfacing to traditional telephony
- supporting mobile users
- security and survivability
- dealing with the challenges of NAT
Switching to VoIP -> To help you grasp the core principles at work, Switching to VoIP uses a combination of strategy and hands-on “how-to” that introduce VoIP routers and media gateways, different makes of IP telephone equipment, legacy analog phones, IPTables and Linux firewalls, and the Asterisk open source PBX software by Digium. You’ll understand how to build an IP-based or legacy-compatible phone method and voicemail method total with e-mail integration although becoming familiar with VoIP protocols and devices. Switching to VoIP remains vendor-neutral and advocates standards, not brands. Some of the standards explored include:
- SIP
- H.323, SCCP, and IAX
- Voice codecs
- 802.3af
- Kind of Service, IP precedence, DiffServ, and RSVP
- 802.1a/b/g WLAN
Switching to VoIP -> If VoIP has your attention, like so several other people, then Switching to VoIP will aid you build your own method, install it, and start making calls. It’s the only factor left between you and a contemporary telecom network. Switching to VoIP
List Value: $ 39.95
Price: $ 18.55







