Fundamentals of VoIP
January 10, 2009
Contents at a Glance
Beginnings
Understanding H.323
Understanding SIP
Do You Hear What I Hear?
Putting it all Together
Voice Codecs
Softswitches
Vendor
Network Architectures
Looking
Under the Hood
Contents in Detail
Beginnings
I:
Who Sets the Standards for VoIP?
II:
Why TCP/IP Is not Sufficient for VoIP
Understanding H.323
I:
History and Architecture
II:
Protocols Supporting Terminals
III:
Message Formats
IV:
Testing System Interoperability
Understanding SIP
I:
History and Architecture
II:
Protocol Capabilities
III:
Message Formats
IV:
Describing the SIP Session
V:
SIP Signaling
VI:
Testing SIP Interoperability
Do You Hear What I Hear?
I:
Defining Quality of Service
II:
Defining Key Transmission Impairments
III:
Dealing with Latency
IV:
Measuring “Toll Quality”
V:
Integrated Services
VI:
Resource Reservation Protocol
VII:
Differentiated Services
VIII:
Multiprotocol Label Switching
IX:
Queuing Solutions for QoS
Putting it all Together
I:
VoIP Network Design
II:
Implementation Tips
III:
Implementation Tips, continued
IV:
Implementation Tips, concluded
Voice
Codecs: the tale of the Secret Decoder Ring
Softswitches
I:
Getting there from here
II:
Functional planes of the softswitch architecture
III:
The Media Gateway Controller
IV:
Media Gateway architecture
V:
Media Gateway Control Protocol
VI:
MEGACO/H.248 Protocol
VII:
IP Multimedia Subsystem
VIII:
IP Multimedia Subsystem functions Vendor Network Architectures
I: Avaya
II: Marconi
III: Nortel
IV: Lucent
V: Sonus Networks
VI: Verso Technologies
VII: Cisco Systems
VIII: Juniper Networks
IX: Toshiba
X: Siemens
XI: Acme Packet
XII: Tekelec
XIII: 3Com
XIV: Alcatel
XV: Thomson-CIRPACK
XVI: Emergent Network Solutions
VII: Huawei Technologies
XVIII: Nokia
XIX: NEC Unified Solutions
XX: Veraz Networks
XXI: MetaSwitch
XXII: Newport Networks
XXIII: ShoreTel, Inc.
XXIV: CopperCom, Inc.
XXV: sentitO Networks
XXVI: Samsung
XXVII: Zultys Technologies
XXVIII: Interactive Intelligence
XXIX: Altigen Communications
XXX: Adtran
XXXI: Mera Systems
XXXII: TalkSwitch
XXXIII: UTStarcom
XXXIV: Mitel
XXXV: Inter-Tel
XXXVI: Pingtel
XXXVII: Iwatsu
XXXVIII: Squire Technologies, Ltd.
XXXIX: NexTone Communications, Inc.
XL: Netcentrex
XLI: VocalTec Communications
XLII: Switchvox
XLIII: Vertical Communications
XLIV: 3CX
XLV: REDCOM Laboratories
XLVI: Fonality
XLVII: Objectworld Communications
XLVIII: Allworx
XLIX: Quintum Technologies
L: Seawolf Technologies
LI: SysMaster Corporation
LII: Critical Links’ edgeBOX
LIII: PortaOne
LIV: World Telecom Labs
LV: Simton Technologies
LVI: Sphere Communications
LVII: FacetPhone
LVIII: Epygi
LVIX: Dialexia
LX: Panasonic
LXI: Aastra Technologies
Looking Under the Hood
I: Evaluating VoIP Switching Vendors
II: The Switching System in Context
III: Switching System Features, Management, and Support
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