Let's santize more

piphone.py

@@ -355,7 +355,7 @@ class Call(object):
                 except Exception as e:
                     raise e
                 # Step 2, moving channels
-                channels = ",".join([self.id + '-' + self.caller, self.id + '-' + self.callee])
+                channels = ",".join([self.id + '-' + sanitize_phonenumber(self.caller), self.id + '-' + sanitize_phonenumber(self.callee)])
                 phone_logger.debug("Moving channels to the created bridge: {}".format(bridge.name,))
                 bridge.addChannel(channels)
                 phone_logger.info("Call now fully connected: {} <-> {}".format(self.caller, self.callee))