{"json_modified": "2016-05-04T01:20:06.623079", "uuid": "3e0fb181-668e-41a3-8fd5-f4441e4b2ac9", "title": "TelephonyCallGroup.oncallschanged", "url": "/en-US/docs/Mozilla/B2G_OS/API/TelephonyCallGroup/oncallschanged", "tags": ["Property", "Events", "B2G", "Telephony", "API", "Reference", "events", "TelephonyCallGroup", "DOM Reference", "Firefox OS", "Non-standard", "Mobile", "oncallschanged", "DOM", "Non-Standard", "Api", "Certified"], "translations": [], "modified": "2016-05-04T01:20:06", "label": "TelephonyCallGroup.oncallschanged", "localization_tags": [], "locale": "en-US", "id": 152431, "last_edit": "2016-05-04T01:03:48", "summary": "The <strong><code>oncallschanged</code></strong> property of the <a href=\"/en-US/docs/Web/API/Telephony\" title=\"The documentation about this has not yet been written; please consider contributing!\"><code>Telephony</code></a> interface specifies an event listener to receive <code><a href=\"/en-US/docs/Web/Events/callschanged\" title=\"/en-US/docs/Web/Events/callschanged\">callschanged</a></code> events. These events occur when the list of ongoing calls, as indicated by <a href=\"/en-US/docs/Web/API/TelephonyCallGroup/calls\" title=\"The documentation about this has not yet been written; please consider contributing!\"><code>TelephonyCallGroup.calls</code></a>, changes.", "sections": [{"id": "Quick_Links", "title": null}, {"id": "Syntax", "title": "Syntax"}, {"id": "Examples", "title": "Examples"}, {"id": "Specifications", "title": "Specifications"}, {"id": "Browser_compatibility", "title": "Browser compatibility"}, {"id": "See_also", "title": "See also"}], "slug": "Mozilla/B2G_OS/API/TelephonyCallGroup/oncallschanged", "review_tags": []}