--- orig/coreapi/linphonecore.c	2010-06-30 18:38:27.000000000 +0800
+++ linphone-3.3.2/coreapi/linphonecore.c	2010-07-22 15:12:57.976803958 +0800
@@ -723,6 +723,7 @@
 	lc->sip_conf.auto_net_state_mon=lp_config_get_int(lc->config,"sip","auto_net_state_mon",1);
 	lc->sip_conf.keepalive_period=lp_config_get_int(lc->config,"sip","keepalive_period",10000);
 	sal_set_keepalive_period(lc->sal,lc->sip_conf.keepalive_period);
+	sal_set_dont_send_101();
 }
 
 static void rtp_config_read(LinphoneCore *lc)
--- orig/coreapi/sal_eXosip2.c	2010-06-23 21:41:35.000000000 +0800
+++ linphone-3.3.2/coreapi/sal_eXosip2.c	2010-07-22 15:10:26.890152940 +0800
@@ -1764,6 +1764,12 @@
 	ctx->keepalive_period=value;
 	eXosip_set_option (EXOSIP_OPT_UDP_KEEP_ALIVE, &value);
 }
+
+void sal_set_dont_send_101(void) {
+	int on = 1;
+	eXosip_set_option ( EXOSIP_OPT_DONT_SEND_101, &on);
+}
+
 const char * sal_address_get_port(const SalAddress *addr) {
 	const osip_from_t *u=(const osip_from_t*)addr;
 	return null_if_empty(u->url->port);
--- orig/coreapi/sal.h	2010-06-22 16:43:01.000000000 +0800
+++ linphone-3.3.2/coreapi/sal.h	2010-07-22 15:12:42.263672417 +0800
@@ -233,6 +233,7 @@
 void sal_set_user_agent(Sal *ctx, const char *user_agent);
 /*keepalive period in ms*/
 void sal_set_keepalive_period(Sal *ctx,unsigned int value);
+void sal_set_dont_send_101(void);
 void sal_use_session_timers(Sal *ctx, int expires);
 int sal_iterate(Sal *sal);
 MSList * sal_get_pending_auths(Sal *sal);