CCIE Voice Written Blueprint

1. CallManager
   1. Codecs/Regions
   2. Redundancy (CM Groups/Device Pool)
   3. Dial Plan: Gatekeeper, SIP Proxy, Route Patterns, Route Groups, Route Lists, Digit Manipulation and Digit Analysis
   4. Music On Hold
   5. Conferencing (Audio and Video)
   6. Transcoding
   7. Media Termination Points
   8. CM Features: Extension Mobility, IPMA, Attendant Console, Call Park, Pickup
   9. Phone Settings
   10. CTI, TAPI and JTAPI Interface
   
   
2. QoS
   1. Link Efficiency: LFI, MLPPP, FRF.12, cRTP, VAD
   2. Classification and Marking
   3. Congestion Management: Queuing
   4. CAC: RSVP, GK
   5. Traffic Policing and Shaping
   6. LAN QoS
   7. CM CAC and GK. Hub and Spoke/Fully Meshed MPLS
   
   
3. Telephony Protocols
   1. SCCP
   2. RTP & cRTP
   3. MGCP
   4. SIP
   5. H323
   6. Analog and TDM Signaling
   
   
4. Unity
   1. Integration
   2. MWI, SMDI
   3. DPA
   4. Call Handlers
   5. Unified Messaging
   6. VPIM
   
   
5. IOS IP Telephony Skills
   1. SRST
   2. CME
   3. CUE
   
   
6. IP IVR/IPCC Express
   1. Speech Recognition
   2. ICD Functions
   3. Database Lookups
   4. VXML
   
   
7. Security
   1. DHCP Snooping
   2. MCS OS Hardening
   3. Phone Authentication and Encryption
   4. TCP/UDP Port List
   5. Firewalls and Application Layer Gateways (ALG)
   6. NAT
   
   
8. Infrastructure Protocols
   1. DNS
   2. TFTP
   3. NTP
   4. Inline Power: Cisco and 802.3af
   
   
9. Application Protocols
   1. IP Multicast
   2. Video
   3. Fax and Modem
   
   
10. Operations and Network Management