247 		if not first then

   247 		if not first then

   248 			origin.send(st.error_reply(stanza, "cancel", "internal-server-error"));

   248 			origin.send(st.error_reply(stanza, "cancel", "internal-server-error"));

   249 			return true;

   249 			return true;

   250 		end

   250 		end

   251 

   251 

   254 			reply:tag("start", { id = id, timestamp = timestamp(when) }):up();

   253 			reply:tag("start", { id = id, timestamp = timestamp(when) }):up();

   255 		end

   254 		end

   256 	end

   255 	end

   257 

   256 

   258 	do

   257 	do

   260 		if not last then

   259 		if not last then

   261 			origin.send(st.error_reply(stanza, "cancel", "internal-server-error"));

   260 			origin.send(st.error_reply(stanza, "cancel", "internal-server-error"));

   262 			return true;

   261 			return true;

   263 		end

   262 		end

   264 

   263 

   267 			reply:tag("end", { id = id, timestamp = timestamp(when) }):up();

   265 			reply:tag("end", { id = id, timestamp = timestamp(when) }):up();

   268 		end

   266 		end

   269 	end

   267 	end

   270 

   268 

   271 	origin.send(reply);

   269 	origin.send(reply);