reanchor media for A leg

lib/session/call-session.js

@@ -1086,6 +1086,9 @@ class CallSession extends Emitter {
       sessionTracker.add(cs.callSid, cs);
     }
     if (tasks) {
+      if (!this.ep) {
+        await this.reAnchorMedia();
+      }
       const t = normalizeJambones(this.logger, tasks).map((tdata) => makeTask(this.logger, tdata));
       this.logger.info({tasks: listTaskNames(t)}, 'CallSession:_lccCallHook new task list');
       this.replaceApplication(t);