Change in osmo-sip-connector[master]: add SIP P-Access-Network-Info in MO/invites: RAT types

[Neels Hofmeyr]

Neels Hofmeyr has uploaded this change for review. ( https://gerrit.osmocom.org/12459


Change subject: add SIP P-Access-Network-Info in MO/invites: RAT types
......................................................................

add SIP P-Access-Network-Info in MO/invites: RAT types

Indicate GERAN or UTRAN in SIP headers.

Patch-by: lynxis
Tweaked-by: neels
Change-Id: I186c315d22816b2552b16ec0788718e05de28c3d
---
M src/call.h
M src/mncc.c
M src/sip.c
3 files changed, 20 insertions(+), 0 deletions(-)



  git pull ssh://gerrit.osmocom.org:29418/osmo-sip-connector refs/changes/59/12459/1

diff --git a/src/call.h b/src/call.h
index 65d1111..8c7a92f 100644
--- a/src/call.h
+++ b/src/call.h
@@ -5,6 +5,7 @@
 #include <osmocom/core/linuxlist.h>
 #include <osmocom/core/timer.h>
 #include <osmocom/core/utils.h>
+#include <osmocom/core/gsm_utils.h>
 
 #include <stdbool.h>
 
@@ -30,6 +31,8 @@
 
 	const char *source;
 	const char *dest;
+
+	enum osmo_rat_type ran;
 };
 
 enum {
diff --git a/src/mncc.c b/src/mncc.c
index ea6a9fc..f16bb5f 100644
--- a/src/mncc.c
+++ b/src/mncc.c
@@ -452,6 +452,7 @@
 			"MNCC leg(%u) failed to allocate call\n", data->callref);
 		return mncc_send(conn, MNCC_REJ_REQ, data->callref);
 	}
+	call->ran = data->ran;
 
 	leg = (struct mncc_call_leg *) call->initial;
 	leg->base.connect_call = mncc_call_leg_connect;
diff --git a/src/sip.c b/src/sip.c
index adf20d8..f33f90d 100644
--- a/src/sip.c
+++ b/src/sip.c
@@ -25,6 +25,7 @@
 #include "sdp.h"
 
 #include <osmocom/core/utils.h>
+#include <osmocom/core/gsm_utils.h>
 
 #include <sofia-sip/sip_status.h>
 #include <sofia-sip/su_log.h>
@@ -416,6 +417,7 @@
 			const char *calling_num, const char *called_num)
 {
 	struct call_leg *other = leg->base.call->initial;
+	char *paccess_rat_hdr;
 
 	char *from = talloc_asprintf(leg, "sip:%s@%s:%d",
 				calling_num,
@@ -427,11 +429,25 @@
 				agent->app->sip.remote_port);
 	char *sdp = sdp_create_file(leg, other);
 
+        switch (leg->base.call->ran) {
+        case OSMO_RAT_GERAN_A:
+                paccess_rat_hdr = "P-Access-Network-Info: 3GPP-GERAN";
+                break;
+        case OSMO_RAT_UTRAN_IU:
+                paccess_rat_hdr = "P-Access-Network-Info: 3GPP-UTRAN";
+                break;
+        case OSMO_RAT_UNKNOWN:
+        default:
+                paccess_rat_hdr = "P-Access-Network-Info: 3GPP-UNKNOWN";
+                break;
+        }
+
 	leg->state = SIP_CC_INITIAL;
 	leg->dir = SIP_DIR_MT;
 	nua_invite(leg->nua_handle,
 			SIPTAG_FROM_STR(from),
 			SIPTAG_TO_STR(to),
+			SIPTAG_HEADER_STR(paccess_rat_hdr),
 			NUTAG_MEDIA_ENABLE(0),
 			SIPTAG_CONTENT_TYPE_STR("application/sdp"),
 			SIPTAG_PAYLOAD_STR(sdp),

-- 
To view, visit https://gerrit.osmocom.org/12459
To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings

Gerrit-Project: osmo-sip-connector
Gerrit-Branch: master
Gerrit-MessageType: newchange
Gerrit-Change-Id: I186c315d22816b2552b16ec0788718e05de28c3d
Gerrit-Change-Number: 12459
Gerrit-PatchSet: 1
Gerrit-Owner: Neels Hofmeyr <nhofmeyr at sysmocom.de>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.osmocom.org/pipermail/gerrit-log/attachments/20190103/7a6a1fce/attachment.htm>