COMPUTER TIPS

 

 

 

CCIE VOIP

 

 

 

 

Campus Design
In line power CDP discovery
Port Numbers
VLANs
CDP Exchanges

 

QoS
WAN
Campus
Delay
Jitter
CoS
ToS

Architecture and Protocols
MGCP
SCCP
ISDN
QSIG
FXO caller ID
Analog FXS, FXO, E&M
FXO Answer/Disconnect Supervision
PRI NFAS
CAMA
DID
Standards: H.245, G.711, G.726, G.729, H.225
PCM
RTP
VAD
CRTP
Fax Relay

SMDI
Com-port based
VG-248-based
General SMDI Knowledge

Security
AAA
Radius
NBAR

Capacity Planning (Voice gateway/Network)
Erlang B, Erlang C
Device Weights
Load Balancing
Bandwidth Planning/Traffic Engineering

Dial Plan
Dial-Peers
DNIS
ANI
Connection Trunk
Connection Plar
Gatekeeper

High Availability Considerations
SRST
HSRP
CallManager clustering
PSTN Connectivity to remote sites
Gatekeeper Clustering
Alternative Gateways

Video
Protocols
General Knowledge

Echo Theory
Tail circuit
Acoustic echo
Electical echo
Canceller coverage
Cancellation Location
Standards

Fault Diagnosis
Basic Fault Diagnosis
IOS "show" commands

SIP Proxy
Basic theory
Coexistence/Migration
Voicemail Integration
MWI
PBX

Unified Messaging
Active Directory Integration
Call Manager
AMIS

Capacity Planning (Application Level)
Unity
CallManager
Call Admition Control
Application Level Planning
Control Plane Bandwidth

Call Processing
Route Pattern
Dial Plan

Manageability Considerations
Route Pattern
Dial Plan

911/E911 considerations
Route Pattern
Dial Plan