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H.323

VoIP over Frame Relay with Quality of Service (Fragmentation, Traffic Shaping, LLQ / IP RTP Priority) 02/Feb/2006
VoIP QoS for Frame Relay to ATM Interworking with LLQ, PPP LFI and cRTP 02/Feb/2006
Troubleshooting and Understanding Cisco Gatekeeper Bandwidth Management 07/Sep/2006
Cisco Digital 1-port and 2-port T1 Multi-Flex Voice WICs 18/Apr/2008
Analog E&M Voice Signaling Overview 02/Feb/2006
CDR Logging Configuration with Syslog Servers and Cisco IOS Gateways 24/Feb/2006
Defining Analog Voice 12/Feb/2007
Designing and Deploying VoIP over ISDN 02/Feb/2006
E&M Cable Pinouts Connecting Cisco 1750/2600/3600 E&M VIC to Lucent PBX G3R E&M Trunk 02/Feb/2006
E&M Cable Pinouts to Connect Cisco 1750/2600/3600 E&M VIC to Nortel PBX Option 11 E&M Trunk 02/Feb/2006
Third Party H323 Calls Fail with Cisco IOS Later than 12.2(8)T 02/Feb/2006
Troubleshooting No Dial Tone Issues 02/Feb/2006
Understanding and Troubleshooting Gatekeeper TTL and Aging out Process 02/Feb/2006
Understanding Cisco IOS Gatekeeper Call Routing 04/Jan/2007
Understanding Codecs: Complexity, Hardware Support, MOS, and Negotiation 02/Feb/2006
Understanding Direct-Inward-Dial (DID) on IOS Voice Digital (T1/E1) Interfaces 02/Feb/2006
Understanding H.323 Gatekeepers 25/Sep/2014
Understanding Inbound and Outbound Dial Peers on Cisco IOS Platforms 02/Feb/2006
Voice Design and Implementation Guide 02/Feb/2006
Waveform Coding Techniques 02/Feb/2006
Zone Prefix Processing with Dots Versus Asterisks 22/May/2006

Direct, Routed, and Proxy Modes on a Gatekeeper Explanation 31/Mar/2015

Media Gateway Control Protocol (MGCP)

E&M Cable Pinouts Connecting Cisco 1750/2600/3600 E&M VIC to Lucent PBX G3R E&M Trunk 02/Feb/2006
Understanding Codecs: Complexity, Hardware Support, MOS, and Negotiation 02/Feb/2006
Understanding MGCP Interactions with Cisco CallManager 18/May/2006

Skinny Call Control Protocol (SCCP)

IP Phone Replies to One Ping Out of Two 27/Jun/2011
Understanding Codecs: Complexity, Hardware Support, MOS, and Negotiation 02/Feb/2006

Voice over ATM (VoATM)

Cisco Digital 1-port and 2-port T1 Multi-Flex Voice WICs 18/Apr/2008

Voice over Frame Relay (VOFR)

Cisco Digital 1-port and 2-port T1 Multi-Flex Voice WICs 18/Apr/2008
Designing and Deploying Multilink PPP over Frame Relay and ATM 16/Aug/2007
Frame Relay Fragmentation for Voice 20/Feb/2007
Waveform Coding Techniques 02/Feb/2006

Support Documentation

All Support Documentation for this Series