====== adv.callTo ======
wrtc.adv.callTo is a string property containing address to call once page has been loaded.

===== Value =====
String: address to call once page has been loaded

===== Default value =====
undefined

===== Usage =====
Set wrtc.adv.callTo in [[ixnx:wrtc:js:api:wrtc:init|wrtc.init()]] to automatically call an address once page has been loaded.

<WRAP center round important 100%>
wrtc.adv.callTo is **only** allowed to be set in [[ixnx:wrtc:js:api:wrtc:init|wrtc.init()]].
</WRAP>

If you call [[ixnx:wrtc:js:api:wrtc:geturlvars|wrtc.getURLvars()]] in [[ixnx:wrtc:js:api:wrtc:init|wrtc.init()]] wrtc.adv.callTo will be set to supplied URL tag "call=", if any.

===== Example =====
wrtc.init = function() {\\
...\\
wrtc.adv.callTo="support@foo.com";\\
...\\
};

Will make page automatically call support@foo.com each time it is opened.