diff --git a/src/modules/rtpengine/doc/rtpengine_admin.xml b/src/modules/rtpengine/doc/rtpengine_admin.xml
index 4a7272629a3..15355bb8c0b 100644
--- a/src/modules/rtpengine/doc/rtpengine_admin.xml
+++ b/src/modules/rtpengine/doc/rtpengine_admin.xml
@@ -2036,7 +2036,7 @@ rtpengine_offer();
no-redis-update - this flag can be used by Kamailio in order
to tell rtpengine not to persist the call into Redis upon receiving offer/answer()
- control commands. If flag is not set, default action is rtpengine persists call
+ control commands. If flag is not set, default action is rtpengine persists call
to redis.
@@ -2273,7 +2273,16 @@ rtpengine_offer();
in the Sipwise rtpengine proxy. This is especially useful when the first call leg is handled
by some rtpengine machine while the second call leg is handled by other rtpengine machine.
+
+ record-call=on - instructs RTPEngine to record the session. Use
+ it in rtpengine_offer() to start recording immediately and save the call metadata,
+ as alternative to start_recording().
+
+
+ Check also the documentation of RTPEngine, these flags are documented there as well:
+ https://github.com/sipwise/rtpengine.
+
@@ -2466,8 +2475,11 @@ rtpengine_manage();
start_recording()
- This function will send a signal to the &rtp; proxy to record
- the &rtp; stream on the &rtp; proxy.
+ This function will send a signal to the &rtp; relay to record
+ the &rtp; stream flowing through it. See also the option
+ record-call=on
for rtpengine_manage()/rtpengine_offer(),
+ which offers an alternative for call recording, saving also call
+ metadata from SDP.
This function can be used from REQUEST_ROUTE and ONREPLY_ROUTE.