Features - 3Com VCX V7122 User Manual

Features

Supports DTMF recognition.
Executes audio dialogs between the gateway and a user, supporting mixed initiative
applications.
Audio prompt recording (currently not supported).
Transfer Support - Using the <Transfer> element, the VCX V7122 places a call to
different destinations.
JavaScript Expression Support - Supports ECMA script specification 3.0 (standard
ECMA-262).
Supports definition of the end-dial key ('*' or '#') that terminates the DTMF collection.
To define whether * or # are used to terminate the DTMF collection, add the following
line to each script:
<property name="EndDialKey" value="*">,
OR
<property name="EndDialKey" value="#">
Supports number concatenation, enabling number modification per VXML script.
<filled>
<assign name="user_passwd" expr="'domain'+user_passwd + '.com'"/>
<return namelist="user_account_num user_passwd"/>
</filled>
The user_passwd parameter (that initially contained the user password collected from the
user) is being assigned the value 'domain'+user_passwd + '.com'.
Calling number (recived form SIP incoming call) can optionally be used for authentication
instead of the user name.
form id="GetCallerId">
<log label="VXML--> getting caller id from SIP..." />
<object name="FCallerId"
classid="builtin://com.audiocodes.ulp.input">
<filled>
<if cond="FCallerId.Result != 'fail'">
<assign name="CallerId" expr="FCallerId.Result" />
<goto next="#PerformAuthenWithoutUserName" />
<else />
<goto next="#PerformAuthen" />
</if>
</filled>
</object>
</form>
248 3Com VCX V7122 SIP VoIP Gateway User Manual