Cisco Cisco Unified Customer Voice Portal 10.0(1)

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Cisco Internet Service Node (ISN) Configuration and Administration Guide
OL-1251-03
Chapter 8      VoIP Configuration
Call Transfers and Outbound Routing
Comprehensive: In this mode, no prompts are played by the Voice Browser. Instead, the Voice Browser 
transfers the call to a VXML-enabled voice gateway which provides IVR treatment which may in the 
form of prerecorded prompts or ASR/TTS. In this case it is always the egress dial-peer that determines 
both prompt codec and transfer codec. If using ASR/TTS, the codec must be g711ulaw for IVR 
treatment. The transfer codec may be anything. 
Miscellaneous Gateway Configuration Tasks
Configuring the Ethernet Connections
To insure call survivability for transfers when the ISN Voice Browser dies, place this configuration 
element on all gateways in the ISN solution (applies to ISN Queue and Transfer and ISN Comprehensive 
modes only):
interface FastEthernetN
keepalive 1800
OR (if you do not have FastEthernet)
interface EthernetN
keepalive 1800
To optimize Ethernet traffic:
ip cef
interface FastEthernetN
ip route-cache
ip route-cache same-interface
OR (if you do not have FastEthernet)
ip cef
interface EthernetN
ip route-cache
ip route-cache same-interface
Aiding Troubleshooting and Debugging
To aid Cisco troubleshooting and debugging:
debug vxml puts (leave this setting on at all times)
service timestamps debug datetime msec localtime
logging buffered 2000000 debugging