diff --git a/channels/chan_pjsip.c b/channels/chan_pjsip.c
index 2a243b6d10..57ff53ad74 100644
--- a/channels/chan_pjsip.c
+++ b/channels/chan_pjsip.c
@@ -1526,7 +1526,7 @@ static int chan_pjsip_indicate(struct ast_channel *ast, int condition, const voi
device_buf = alloca(device_buf_size);
ast_channel_get_device_name(ast, device_buf, device_buf_size);
ast_devstate_changed_literal(AST_DEVICE_ONHOLD, 1, device_buf);
- if (!channel->session->endpoint->moh_passthrough) {
+ if (!channel->session->moh_passthrough) {
ast_moh_start(ast, data, NULL);
} else {
if (ast_sip_push_task(channel->session->serializer, remote_send_hold, ao2_bump(channel->session))) {
@@ -1542,7 +1542,7 @@ static int chan_pjsip_indicate(struct ast_channel *ast, int condition, const voi
device_buf = alloca(device_buf_size);
ast_channel_get_device_name(ast, device_buf, device_buf_size);
ast_devstate_changed_literal(AST_DEVICE_UNKNOWN, 1, device_buf);
- if (!channel->session->endpoint->moh_passthrough) {
+ if (!channel->session->moh_passthrough) {
ast_moh_stop(ast);
} else {
if (ast_sip_push_task(channel->session->serializer, remote_send_unhold, ao2_bump(channel->session))) {
@@ -2859,6 +2859,12 @@ static struct ast_custom_function dtmf_mode_function = {
.write = pjsip_acf_dtmf_mode_write
};
+static struct ast_custom_function moh_passthrough_function = {
+ .name = "PJSIP_MOH_PASSTHROUGH",
+ .read = pjsip_acf_moh_passthrough_read,
+ .write = pjsip_acf_moh_passthrough_write
+};
+
static struct ast_custom_function session_refresh_function = {
.name = "PJSIP_SEND_SESSION_REFRESH",
.write = pjsip_acf_session_refresh_write,
@@ -2913,6 +2919,11 @@ static int load_module(void)
goto end;
}
+ if (ast_custom_function_register(&moh_passthrough_function)) {
+ ast_log(LOG_WARNING, "Unable to register PJSIP_MOH_PASSTHROUGH dialplan function\n");
+ goto end;
+ }
+
if (ast_custom_function_register(&session_refresh_function)) {
ast_log(LOG_WARNING, "Unable to register PJSIP_SEND_SESSION_REFRESH dialplan function\n");
goto end;
@@ -2973,6 +2984,7 @@ end:
ast_sip_session_unregister_supplement(&chan_pjsip_supplement);
ast_sip_session_unregister_supplement(&call_pickup_supplement);
ast_custom_function_unregister(&dtmf_mode_function);
+ ast_custom_function_unregister(&moh_passthrough_function);
ast_custom_function_unregister(&media_offer_function);
ast_custom_function_unregister(&chan_pjsip_dial_contacts_function);
ast_custom_function_unregister(&chan_pjsip_parse_uri_function);
@@ -2998,6 +3010,7 @@ static int unload_module(void)
ast_sip_session_unregister_supplement(&call_pickup_supplement);
ast_custom_function_unregister(&dtmf_mode_function);
+ ast_custom_function_unregister(&moh_passthrough_function);
ast_custom_function_unregister(&media_offer_function);
ast_custom_function_unregister(&chan_pjsip_dial_contacts_function);
ast_custom_function_unregister(&chan_pjsip_parse_uri_function);
diff --git a/channels/pjsip/dialplan_functions.c b/channels/pjsip/dialplan_functions.c
index 6cdc7213b3..3a6f0a4cb7 100644
--- a/channels/pjsip/dialplan_functions.c
+++ b/channels/pjsip/dialplan_functions.c
@@ -80,6 +80,19 @@
This function uses the same DTMF mode naming as the dtmf_mode configuration option
+
+
+ Get or change the on-hold behavior for a SIP call.
+
+
+
+
+ When read, returns the current moh passthrough mode
+ When written, sets the current moh passthrough mode
+ If yes, on-hold re-INVITEs are sent. If no, music on hold is generated.
+ This function can be used to override the moh_passthrough configuration option
+
+
W/O: Initiate a session refresh via an UPDATE or re-INVITE on an established media session
@@ -1303,6 +1316,34 @@ int pjsip_acf_dtmf_mode_read(struct ast_channel *chan, const char *cmd, char *da
return 0;
}
+int pjsip_acf_moh_passthrough_read(struct ast_channel *chan, const char *cmd, char *data, char *buf, size_t len)
+{
+ struct ast_sip_channel_pvt *channel;
+
+ if (!chan) {
+ ast_log(LOG_WARNING, "No channel was provided to %s function.\n", cmd);
+ return -1;
+ }
+
+ if (len < 3) {
+ ast_log(LOG_WARNING, "%s: buffer too small\n", cmd);
+ return -1;
+ }
+
+ ast_channel_lock(chan);
+ if (strcmp(ast_channel_tech(chan)->type, "PJSIP")) {
+ ast_log(LOG_WARNING, "Cannot call %s on a non-PJSIP channel\n", cmd);
+ ast_channel_unlock(chan);
+ return -1;
+ }
+
+ channel = ast_channel_tech_pvt(chan);
+ strncpy(buf, AST_YESNO(channel->session->moh_passthrough), len);
+
+ ast_channel_unlock(chan);
+ return 0;
+}
+
struct refresh_data {
struct ast_sip_session *session;
enum ast_sip_session_refresh_method method;
@@ -1445,6 +1486,30 @@ int pjsip_acf_dtmf_mode_write(struct ast_channel *chan, const char *cmd, char *d
return ast_sip_push_task_wait_serializer(channel->session->serializer, dtmf_mode_refresh_cb, &rdata);
}
+int pjsip_acf_moh_passthrough_write(struct ast_channel *chan, const char *cmd, char *data, const char *value)
+{
+ struct ast_sip_channel_pvt *channel;
+
+ if (!chan) {
+ ast_log(LOG_WARNING, "No channel was provided to %s function.\n", cmd);
+ return -1;
+ }
+
+ ast_channel_lock(chan);
+ if (strcmp(ast_channel_tech(chan)->type, "PJSIP")) {
+ ast_log(LOG_WARNING, "Cannot call %s on a non-PJSIP channel\n", cmd);
+ ast_channel_unlock(chan);
+ return -1;
+ }
+
+ channel = ast_channel_tech_pvt(chan);
+ channel->session->moh_passthrough = ast_true(value);
+
+ ast_channel_unlock(chan);
+
+ return 0;
+}
+
static int refresh_write_cb(void *obj)
{
struct refresh_data *data = obj;
diff --git a/channels/pjsip/include/dialplan_functions.h b/channels/pjsip/include/dialplan_functions.h
index a9332a24ca..d0bf130fe8 100644
--- a/channels/pjsip/include/dialplan_functions.h
+++ b/channels/pjsip/include/dialplan_functions.h
@@ -72,6 +72,31 @@ int pjsip_acf_dtmf_mode_read(struct ast_channel *chan, const char *cmd, char *da
*/
int pjsip_acf_dtmf_mode_write(struct ast_channel *chan, const char *cmd, char *data, const char *value);
+/*!
+ * \brief PJSIP_MOH_PASSTHROUGH function read callback
+ * \param chan The channel the function is called on
+ * \param cmd The name of the function
+ * \param data Arguments passed to the function
+ * \param buf Out buffer that should be populated with the data
+ * \param len Size of the buffer
+ *
+ * \retval 0 on success
+ * \retval -1 on failure
+ */
+int pjsip_acf_moh_passthrough_read(struct ast_channel *chan, const char *cmd, char *data, char *buf, size_t len);
+
+/*!
+ * \brief PJSIP_MOH_PASSTHROUGH function write callback
+ * \param chan The channel the function is called on
+ * \param cmd The name of the function
+ * \param data Arguments passed to the function
+ * \param value Value to be set by the function
+ *
+ * \retval 0 on success
+ * \retval -1 on failure
+ */
+int pjsip_acf_moh_passthrough_write(struct ast_channel *chan, const char *cmd, char *data, const char *value);
+
/*!
* \brief PJSIP_MEDIA_OFFER function read callback
* \param chan The channel the function is called on
diff --git a/doc/CHANGES-staging/chan_pjsip_moh_passthrough.txt b/doc/CHANGES-staging/chan_pjsip_moh_passthrough.txt
new file mode 100644
index 0000000000..cb874a580a
--- /dev/null
+++ b/doc/CHANGES-staging/chan_pjsip_moh_passthrough.txt
@@ -0,0 +1,5 @@
+Subject: chan_pjsip
+
+A new dialplan function, PJSIP_MOH_PASSTRHOUGH, has been added to chan_pjsip. This
+allows the behaviour of the moh_passthrough endpoint option to be read or changed
+in the dialplan. This allows control on a per-call basis.
diff --git a/include/asterisk/res_pjsip_session.h b/include/asterisk/res_pjsip_session.h
index 51d75c6d6d..9ae1883d04 100644
--- a/include/asterisk/res_pjsip_session.h
+++ b/include/asterisk/res_pjsip_session.h
@@ -161,6 +161,8 @@ struct ast_sip_session {
unsigned int defer_end:1;
/*! Session end (remote hangup) requested while termination deferred */
unsigned int ended_while_deferred:1;
+ /*! Whether to pass through hold and unhold using re-invites with recvonly and sendrecv */
+ unsigned int moh_passthrough:1;
/*! DTMF mode to use with this session, from endpoint but can change */
enum ast_sip_dtmf_mode dtmf;
/*! Initial incoming INVITE Request-URI. NULL otherwise. */
diff --git a/res/res_pjsip_session.c b/res/res_pjsip_session.c
index 0cc514ae04..81f36a7201 100644
--- a/res/res_pjsip_session.c
+++ b/res/res_pjsip_session.c
@@ -1484,6 +1484,7 @@ struct ast_sip_session *ast_sip_session_alloc(struct ast_sip_endpoint *endpoint,
session->inv_session = inv_session;
session->dtmf = endpoint->dtmf;
+ session->moh_passthrough = endpoint->moh_passthrough;
if (ast_sip_session_add_supplements(session)) {
/* Release the ref held by session->inv_session */