how to pass values from html text box to xml file

hi

we are implementing  calling functionality in our website.
for that we have  created  xml file. presently we are using this xml file  towards calling.
unfortunately we have observed that it is accepting only xml file phone numbers.


Requirement:

xml file has to accept the phone numbers that are entered from html  text box randomly.

***how to pass values from html text box to xml file.***

This is our xml file

<Response>
<Record action="http://sample.com/" startOnDialAnswer="true" redirect="false"/>
<Dial>
<Number>919052xxxxxx</Number>
</Dial>
</Response>


Thanks & Regards
Lakshman
9052026114