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Internet Service Node (ISN) 2.0 
Release Notes   
Page 8 
These corrections appear in Chapter 5 of the version of this guide posted to 
http://www.cisco.com
3.  Uninstall for SDDSN 
ISN version 2.0.0 now supports uninstall for SDDSN (ISN 1.0 and 1.0.1 did not). The 
rest of this section applies to systems that had or have SDDSN 1.0.1 installed on them. 
If you have version 1.0.1 of SDDSN installed, then run the 2.0.0 upgrade. New files 
are overlaid on top of the old files. Configuration is unchanged; you do not have to 
reconfigure SDDSN. 
If you later uninstall this upgrade (to 2.0.0), you will be left with a non-functioning 
partial SDDSN (which has no uninstall because it is remnant of 1.0.1). You can then 
run a new upgrade which will give you a new functional SDDSN with configuration still 
intact. 
If you want to completely remove SDDSN, the only option is to reformat the disk. This 
is because there was no uninstall for ISN 1.0.1 SDDSN. 
 
4.  ASR and TTS Engine Support 
ISN Version 2.0’s support for ASR and TTS is defined by the functionality supported 
by the ASR and TTS engines that are used in the solution. ISN Version 2.0 has been 
tested with the Nuance and Speechworks versions listed in Cisco Internet Service 
Node (ISN) Data Sheet on Cisco Connect Online (CCO) at 
http://www.cisco.com
During that testing, the following differences between these two products were 
identified by the ISN Team: 
 
§ 
The only currency supported for ASR is U.S. Dollars in Nuance 8.0.  
§ 
Play Data (PD) as Char (where char is a list of digits) is not supported in Nuance 
Vocalizer 1.0 but is supported in Vocalizer 2.0.  
§ 
PD as ETime is not supported in Nuance Vocalizer 1.0 but is supported in 
Vocalizer 2.0.  
§ 
PD as TOD is not supported in Nuance Vocalizer 1.0 but is supported in  
Vocalizer 2.0.  
§ 
PD as Date is not supported in Nuance Vocalizer 1.0 but is supported in  
Vocalizer 2.0.  
§ 
PD as Currency is not supported in Nuance Vocalizer 1.0 but is supported in 
Vocalizer 2.0.  
§ 
Nuance Vocalizer 2.0 supports only English.  
§ 
The Nuance ASR engine does not buffer voice or DTMF input before the 
recognizer is ready to listen.  
§ 
Built-in type: Currency in Nuance ASR returns in the format UUUmmm.mm, 
where UUU is the three character currency indicator.