Cisco Cisco Unified Customer Voice Portal 11.0(1)

These host names should be set to resolve to the VIP address of the content rule that governs
each service. (Note that in the CSS sample above, both ASR and TTS functions are handled by
the same content rule and group of resources.)

And the gateway entries at the voice gateway would look like this:

ip host asr-en-us 10.1.3.12

ip host asr-en-us-backup 10.1.3.12

ip host tts-en-us 10.1.3.13

ip host tts-en-us-backup 10.1.3.13

If a network design contains separate MRCP servers for ASR and TTS functions, CSS would
contain separate services, separate source groups (if needed), and two separate content rules /
vip addresses—one for ASR and another for TTS resources.

In this case, the CSS content rules might look like this:

And the gateway entries at the voice gateway would look like this:

CSS Configuration for VXML Servers

VXML Servers are web servers that are responsible for serving VoiceXML documents to the
voice gateway.

CSS Configuration for VXML Servers: Service

Configure one CSS service per VXML Server.

Configuration and Administration Guide for Cisco Unified Customer Voice Portal Release 4.1(1)