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Voice
Gateway Protocols
Design TechNotes
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H.323
Media Gateway Control Protocol (MGCP)
Skinny Call Control Protocol (SCCP)
Voice over ATM (VoATM)
Voice over Frame Relay (VOFR)
H.323
VoIP over Frame Relay with Quality of Service (Fragmentation, Traffic Shaping, LLQ / IP RTP Priority)
VoIP QoS for Frame Relay to ATM Interworking with LLQ, PPP LFI and cRTP
Troubleshooting and Understanding Cisco Gatekeeper Bandwidth Management
Cisco Digital 1-port and 2-port T1 Multi-Flex Voice WICs
Analog E&M Voice Signaling Overview
CDR Logging Configuration with Syslog Servers and Cisco IOS Gateways
Defining Analog Voice
Designing and Deploying VoIP over ISDN
E&M Cable Pinouts Connecting Cisco 1750/2600/3600 E&M VIC to Lucent PBX G3R E&M Trunk
E&M Cable Pinouts to Connect Cisco 1750/2600/3600 E&M VIC to Nortel PBX Option 11 E&M Trunk
Third Party H323 Calls Fail with Cisco IOS Later than 12.2(8)T
Troubleshooting No Dial Tone Issues
Understanding and Troubleshooting Gatekeeper TTL and Aging out Process
Understanding Cisco IOS Gatekeeper Call Routing
Understanding Codecs: Complexity, Hardware Support, MOS, and Negotiation
Understanding Direct-Inward-Dial (DID) on IOS Voice Digital (T1/E1) Interfaces
Understanding H.323 Gatekeepers
Understanding Inbound and Outbound Dial Peers on Cisco IOS Platforms
Voice Design and Implementation Guide
Waveform Coding Techniques
Zone Prefix Processing with Dots Versus Asterisks
Direct, Routed, and Proxy Modes on a Gatekeeper Explanation
Media Gateway Control Protocol (MGCP)
E&M Cable Pinouts Connecting Cisco 1750/2600/3600 E&M VIC to Lucent PBX G3R E&M Trunk
Understanding Codecs: Complexity, Hardware Support, MOS, and Negotiation
Understanding MGCP Interactions with Cisco CallManager
Skinny Call Control Protocol (SCCP)
IP Phone Replies to One Ping Out of Two
Understanding Codecs: Complexity, Hardware Support, MOS, and Negotiation
Voice over ATM (VoATM)
Cisco Digital 1-port and 2-port T1 Multi-Flex Voice WICs
Voice over Frame Relay (VOFR)
Cisco Digital 1-port and 2-port T1 Multi-Flex Voice WICs
Designing and Deploying Multilink PPP over Frame Relay and ATM
Frame Relay Fragmentation for Voice
Waveform Coding Techniques
Configuring SRS Telephony and MGCP Fallback
12/Feb/2008
MGCP and H.323 Voice Gateway Protocol Comparison
04/Aug/2006
VoIP over PPP Links with Quality of Service (LLQ / IP RTP Priority, LFI, cRTP)
01/Feb/2006
Support Documentation
All Support Documentation for this Series