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packet-switched connections
packets
    IP
         header format 2nd
     security vulnerabilities 2nd
PAMS (Perceptual Analysis Measurement System)
partnership with VoIP integrator
     developing 2nd 3rd
     maintaining
partnerships
     developing with VoIP integrator 2nd 3rd
     maintaining with VoIP integrator
PBXs 2nd 3rd 4th
PCM (pulse code modulation) 2nd
performance
     managing 2nd
         QoS 2nd
         SLAs 2nd
    QoS
         best practices 2nd
         identifying need for
         IP mechanisms 2nd 3rd 4th 5th 6th 7th
         link-layer mechanisms 2nd 3rd 4th 5th 6th 7th 8th
         overprovisioning 2nd
         oversubscribing 2nd
         queuing 2nd 3rd 4th 5th 6th
         selecting metrics 2nd 3rd 4th
         testing 2nd 3rd
         traffic classification 2nd 3rd 4th
         traffic shapers
     requirements for voice applications
    SLAs
         availability metric 2nd
         call quality metric 2nd
         call setup performance metric 2nd
         implementing 2nd 3rd 4th 5th 6th 7th 8th 9th 10th 11th
         incident tracking
         measurement tools 2nd 3rd 4th
         selecting metrics 2nd
    TCP/IP
         tuning 2nd
     tuning 2nd
    voice quality
         MOS
    VoIP
         tuning 2nd 3rd
performing data network upgrades 2nd
     changing network design
     eliminating equipment gaps
     obtaining more bandwidth 2nd
     QoS tuning 2nd
     replacing equipment
performing network upgrades 2nd
performing postmortems 2nd
performing VoIP readiness assessment
     bandwidth modeling 2nd 3rd
     call-quality assessment 2nd 3rd
     configuration assessment 2nd
     utilization assessment 2nd
PESQ (Perceptual Evaluation of Speech Quality)
phone tag
physical security 2nd
pilot deployments 2nd
pilot VoIP deployment
     building 2nd 3rd
         evaluating systems 2nd 3rd
         solving echo problems 2nd
         transcoding
planning
    VoIP deployment
         as major IT project 2nd
         ensuring reliability 2nd
planning for growth 2nd
planning for VoIP deployment 2nd
     assessing reliability 2nd 3rd
         of hardware 2nd
         of IT processes 2nd
         of link and carrier
         of network design 2nd
         of software
     compiling current telephony usage information
         call flow analysis
         call volume statistics
         CDRs 2nd
     evaluating call quality 2nd 3rd 4th 5th
         codec selection 2nd 3rd
         delay 2nd 3rd
         E-model 2nd 3rd 4th
         jitter 2nd
         lost data 2nd
         MOS
     readiness assessment, performing
         bandwidth modeling 2nd 3rd
         call-quality assessment 2nd 3rd
         configuration assessment 2nd
         utilization assessment 2nd
planning VoIP implementation
PLC (packet loss concealment) 2nd
policies
     defining
         exploiting vendor resources 2nd 3rd
         identifying security team 2nd
         performing postmortems 2nd
policy console
policy management
     implementing 2nd
policy repositories
policy-based network management
postmortems, performing 2nd
POTS (plain old telephone service)
preventing security breaches 2nd
prioritizing
     classified traffic
proactive management activities
     ensuring reliability of VoIP deployment 2nd
productivity
     downtime costs 2nd
productivity savings
     measuring potential in VoIP deployment 2nd
profitability
     ensuring in VoIP project 2nd
program files
     maintaining 2nd 3rd 4th
protocols
PSQM (Perceptual Speech Quality Measure)
PSTN
     Centrex solutions
     circuit-switched connections
     components
         PBXs
         signaling
         switches
         telephones
         voice encoding 2nd
     five nines reliability
     IXCs
     stages of typical telephone call
PSTN (Public Switched Telephone Network)
purchasing VoIP equipment
     estimated cocsts

Amazon


Taking Charge of Your VoIP Project
Taking Charge of Your VoIP Project
ISBN: 1587200929
EAN: 2147483647
Year: 2004
Pages: 90

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