diff --git a/pjlib/include/pj/config.h b/pjlib/include/pj/config.h
index e7721d6627..063d6eb375 100644
--- a/pjlib/include/pj/config.h
+++ b/pjlib/include/pj/config.h
@@ -1496,13 +1496,13 @@ PJ_BEGIN_DECL
 #define PJ_VERSION_NUM_MINOR    14
 
 /** PJLIB version revision number. */
-#define PJ_VERSION_NUM_REV      0
+#define PJ_VERSION_NUM_REV      1
 
 /**
  * Extra suffix for the version (e.g. "-trunk"), or empty for
  * web release version.
  */
-#define PJ_VERSION_NUM_EXTRA	"-7"
+#define PJ_VERSION_NUM_EXTRA	"-1"
 
 /**
  * PJLIB version number consists of three bytes with the following format:
diff --git a/pjmedia/src/pjmedia/stream.c b/pjmedia/src/pjmedia/stream.c
index 1de648eeef..ecf932e62a 100644
--- a/pjmedia/src/pjmedia/stream.c
+++ b/pjmedia/src/pjmedia/stream.c
@@ -1113,10 +1113,11 @@ static pj_status_t send_rtcp(pjmedia_stream *stream,
     pj_status_t status;
 
     /* We need to prevent data race since there is only a single instance
-     * of rtcp packet buffer. Let's just use the JB mutex for this instead
-     * of creating a separate lock.
+     * of rtcp packet buffer. And to avoid deadlock with media transport,
+     * we use the transport's group lock.
      */
-    pj_mutex_lock(stream->jb_mutex);
+    if (stream->transport->grp_lock)
+        pj_grp_lock_acquire(stream->transport->grp_lock);
 
     /* Build RTCP RR/SR packet */
     pjmedia_rtcp_build_rtcp(&stream->rtcp, &sr_rr_pkt, &len);
@@ -1237,7 +1238,8 @@ static pj_status_t send_rtcp(pjmedia_stream *stream,
         }
     }
 
-    pj_mutex_unlock(stream->jb_mutex);
+    if (stream->transport->grp_lock)
+        pj_grp_lock_release(stream->transport->grp_lock);
 
     return status;
 }
@@ -3106,7 +3108,7 @@ PJ_DEF(pj_status_t) pjmedia_stream_destroy( pjmedia_stream *stream )
     PJ_ASSERT_RETURN(stream != NULL, PJ_EINVAL);
 
     /* Send RTCP BYE (also SDES & XR) */
-    if (stream->transport && stream->jb_mutex && !stream->rtcp_sdes_bye_disabled) {
+    if (stream->transport && !stream->rtcp_sdes_bye_disabled) {
 #if defined(PJMEDIA_HAS_RTCP_XR) && (PJMEDIA_HAS_RTCP_XR != 0)
         send_rtcp(stream, PJ_TRUE, PJ_TRUE, stream->rtcp.xr_enabled, PJ_FALSE);
 #else
diff --git a/pjmedia/src/pjmedia/transport_loop.c b/pjmedia/src/pjmedia/transport_loop.c
index 37e6f18cd5..df49a3655c 100644
--- a/pjmedia/src/pjmedia/transport_loop.c
+++ b/pjmedia/src/pjmedia/transport_loop.c
@@ -187,6 +187,7 @@ pjmedia_transport_loop_create2(pjmedia_endpt *endpt,
     if (status != PJ_SUCCESS)
         return status;
 
+    tp->base.grp_lock = grp_lock;
     pj_grp_lock_add_ref(grp_lock);
     pj_grp_lock_add_handler(grp_lock, pool, tp, &tp_loop_on_destroy);
 
diff --git a/pjmedia/src/pjmedia/vid_stream.c b/pjmedia/src/pjmedia/vid_stream.c
index cbd086c022..482036243d 100644
--- a/pjmedia/src/pjmedia/vid_stream.c
+++ b/pjmedia/src/pjmedia/vid_stream.c
@@ -584,7 +584,12 @@ static pj_status_t send_rtcp(pjmedia_vid_stream *stream,
     int len, max_len;
     pj_status_t status;
 
-    pj_grp_lock_acquire( stream->grp_lock );
+
+    /* To avoid deadlock with media transport, we use the transport's
+     * group lock.
+     */
+    if (stream->transport->grp_lock)
+        pj_grp_lock_acquire( stream->transport->grp_lock );
 
     /* Build RTCP RR/SR packet */
     pjmedia_rtcp_build_rtcp(&stream->rtcp, &sr_rr_pkt, &len);
@@ -667,7 +672,8 @@ static pj_status_t send_rtcp(pjmedia_vid_stream *stream,
         }
     }
 
-    pj_grp_lock_release( stream->grp_lock );
+    if (stream->transport->grp_lock)
+        pj_grp_lock_release( stream->transport->grp_lock );
 
     return status;
 }
@@ -2191,7 +2197,7 @@ PJ_DEF(pj_status_t) pjmedia_vid_stream_destroy( pjmedia_vid_stream *stream )
     pjmedia_event_unsubscribe(NULL, &stream_event_cb, stream, &stream->rtcp);
 
     /* Send RTCP BYE (also SDES) */
-    if (stream->transport && stream->grp_lock && !stream->rtcp_sdes_bye_disabled) {
+    if (stream->transport && !stream->rtcp_sdes_bye_disabled) {
         send_rtcp(stream, PJ_TRUE, PJ_TRUE, PJ_FALSE, PJ_FALSE);
     }
 
diff --git a/pjsip/src/pjsua-lib/pjsua_call.c b/pjsip/src/pjsua-lib/pjsua_call.c
index 2ee412160d..d3d7725897 100644
--- a/pjsip/src/pjsua-lib/pjsua_call.c
+++ b/pjsip/src/pjsua-lib/pjsua_call.c
@@ -2756,8 +2756,8 @@ PJ_DEF(pj_status_t) pjsua_call_answer2(pjsua_call_id call_id,
     if (status != PJ_SUCCESS)
         goto on_return;
 
-    if (call->inv->role == PJSIP_ROLE_UAC ||
-        !call->inv->invite_tsx ||
+    if (!call->inv->invite_tsx ||
+        call->inv->invite_tsx->role != PJSIP_ROLE_UAS ||
         call->inv->invite_tsx->state >= PJSIP_TSX_STATE_COMPLETED)
     {
         PJ_LOG(3,(THIS_FILE, "Unable to answer call (no incoming INVITE or "
diff --git a/version.mak b/version.mak
index 7ae5d77dba..b49d3383ff 100644
--- a/version.mak
+++ b/version.mak
@@ -1,8 +1,8 @@
 # Don't change the "export PJ_VERSION_xxx" style, they are parsed by setup.py
 export PJ_VERSION_MAJOR  := 2
 export PJ_VERSION_MINOR  := 14
-export PJ_VERSION_REV    :=
-export PJ_VERSION_SUFFIX := -7
+export PJ_VERSION_REV    := 1
+export PJ_VERSION_SUFFIX := -1
 
 export PJ_VERSION := $(PJ_VERSION_MAJOR).$(PJ_VERSION_MINOR)