diff --git a/channels/chan_h323.c b/channels/chan_h323.c
index c9de83a8481c1ce9e5acf588d36631f39219cac0..2714d78c18d600cbc3e384f341c0cd49a6d70449 100644
--- a/channels/chan_h323.c
+++ b/channels/chan_h323.c
@@ -211,7 +211,7 @@ static const struct ast_channel_tech oh323_tech = {
 	.type = "H323",
 	.description = tdesc,
 	.capabilities = ((AST_FORMAT_MAX_AUDIO << 1) - 1),
-	.properties = AST_CHAN_TP_WANTSJITTER,
+	.properties = AST_CHAN_TP_WANTSJITTER | AST_CHAN_TP_CREATESJITTER,
 	.requester = oh323_request,
 	.send_digit = oh323_digit,
 	.call = oh323_call,
diff --git a/channels/chan_jingle.c b/channels/chan_jingle.c
index 3f53e4ab878623aa42f51afb058ecdc21e91cdd0..f335d4b2673e4f60994dd1fe986919500979d90a 100644
--- a/channels/chan_jingle.c
+++ b/channels/chan_jingle.c
@@ -191,6 +191,7 @@ static const struct ast_channel_tech jingle_tech = {
 	.indicate = jingle_indicate,
 	.fixup = jingle_fixup,
 	.send_html = jingle_sendhtml,
+	.properties = AST_CHAN_TP_WANTSJITTER | AST_CHAN_TP_CREATESJITTER
 };
 
 static struct sockaddr_in bindaddr = { 0, };	/*!< The address we bind to */
diff --git a/channels/chan_mgcp.c b/channels/chan_mgcp.c
index 9aec2e818c7c0ef85d9e442dece275ae367970d6..de459d7f5ab089502faedaf5655873b21c1e153e 100644
--- a/channels/chan_mgcp.c
+++ b/channels/chan_mgcp.c
@@ -503,7 +503,7 @@ static const struct ast_channel_tech mgcp_tech = {
 	.type = "MGCP",
 	.description = tdesc,
 	.capabilities = AST_FORMAT_ULAW,
-	.properties = AST_CHAN_TP_WANTSJITTER,
+	.properties = AST_CHAN_TP_WANTSJITTER | AST_CHAN_TP_CREATESJITTER,
 	.requester = mgcp_request,
 	.devicestate = mgcp_devicestate,
 	.call = mgcp_call,
diff --git a/channels/chan_skinny.c b/channels/chan_skinny.c
index f157acb289c6ee28dc73d990bc2de9f3a44bf970..e966a00ace861efe8fc7611cd661873a853bc33d 100644
--- a/channels/chan_skinny.c
+++ b/channels/chan_skinny.c
@@ -909,7 +909,7 @@ static const struct ast_channel_tech skinny_tech = {
 	.type = "Skinny",
 	.description = tdesc,
 	.capabilities = AST_FORMAT_ULAW,
-	.properties = AST_CHAN_TP_WANTSJITTER,
+	.properties = AST_CHAN_TP_WANTSJITTER | AST_CHAN_TP_CREATESJITTER,
 	.requester = skinny_request,
 	.call = skinny_call,
 	.hangup = skinny_hangup,