Changeset 5931 for pjproject/trunk/pjsip/include/pjsip-ua/sip_inv.h

Timestamp:

Jan 21, 2019 8:48:02 AM (5 years ago)

Author:

ming

Message:

Fixed #2175: Make sure that last ACK has been sent before retransmitting it.

Also update the doc that the callback can now be called more than once.

File:

• pjproject/trunk/pjsip/include/pjsip-ua/sip_inv.h (modified) (1 diff)

pjproject/trunk/pjsip/include/pjsip-ua/sip_inv.h

@@ -260 +260 @@
      * Once it has sent the ACK request, the framework will keep 
      * this ACK request in the cache. Subsequent receipt of 2xx response
-     * will not cause this callback to be called, and instead automatic
-     * retransmission of this ACK request from the cache will be done
-     * by the framework.
+     * will not cause this callback to be called (but see exception below),
+     * and instead automatic retransmission of this ACK request from
+     * the cache will be done by the framework.
+     * Exception: if app has created the ACK but has not sent it,
+     * while it receives a retransmission of 2xx response, this callback
+     * will be called again.
      *
      * This callback is optional.