
Contents
vi
Cisco IP Telephony Network Design Guide
78-11103-03
CHAPTER
4 Gateway Selection 4-1
Supported Protocols 4-2
DTMF Relay 4-3
Skinny Gateways 4-4
Cisco IOS H.323 Gateways 4-4
MGCP Gateway 4-4
Cisco CallManager Redundancy 4-5
Skinny Gateways 4-5
IOS H.323 Gateways 4-5
MGCP Gateway 4-6
Supplementary Services 4-7
Skinny Gateways 4-7
IOS H.323 Gateways 4-8
MGCP Gateway 4-9
Site-Specific Gateway Requirements 4-9
CHAPTER
5 Dial Plan Architecture and Configuration 5-1
Cisco CallManager Dial Plan Architecture 5-1
Route Pattern 5-6
Route List 5-7
Route Group 5-7
Devices 5-8
Digit Translation Tables 5-9
Special Dial String Considerations 5-10
On-Net Route Pattern 5-11
Outbound Calls Through the PSTN 5-12
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