--- channels/chan_sip.c.orig	2007-05-12 01:17:10.000000000 -0400
+++ channels/chan_sip.c	2007-05-12 01:33:02.000000000 -0400
@@ -802,8 +802,8 @@
 #define SIP_PAGE2_T38SUPPORT_RTP	(2 << 20)	/*!< 21: T38 Fax Passthrough Support (not implemented) */
 #define SIP_PAGE2_T38SUPPORT_TCP	(4 << 20)	/*!< 22: T38 Fax Passthrough Support (not implemented) */
 #define SIP_PAGE2_CALL_ONHOLD		(3 << 23)	/*!< Call states */
-#define SIP_PAGE2_CALL_ONHOLD_ONEDIR	(1 << 23)	/*!< 23: One directional hold */
-#define SIP_PAGE2_CALL_ONHOLD_INACTIVE	(1 << 24)	/*!< 24: Inactive  */
+#define SIP_PAGE2_CALL_ONHOLD_2DIR	(1 << 23)	/*!< 23: Two directional call */
+#define SIP_PAGE2_CALL_ONHOLD_ACTIVE	(1 << 24)	/*!< 24: Active  */
 #define SIP_PAGE2_RFC2833_COMPENSATE    (1 << 25)	/*!< 25: Compensate for buggy RFC2833 implementations */
 #define SIP_PAGE2_BUGGY_MWI		(1 << 26)	/*!< 26: Buggy CISCO MWI fix */
 #define SIP_PAGE2_NOTEXT		(1 << 27)	/*!< 27: Text not supported  */
@@ -5721,10 +5721,11 @@
 				      p->owner->uniqueid);
 		}
 		if (sendonly == 1)	/* One directional hold (sendonly/recvonly) */
-			ast_set_flag(&p->flags[1], SIP_PAGE2_CALL_ONHOLD_ONEDIR);
+			ast_set_flag(&p->flags[1], SIP_PAGE2_CALL_ONHOLD ^ SIP_PAGE2_CALL_ONHOLD_2DIR);
 		else if (sendonly == 2)	/* Inactive stream */
-			ast_set_flag(&p->flags[1], SIP_PAGE2_CALL_ONHOLD_INACTIVE);
-
+			ast_set_flag(&p->flags[1], SIP_PAGE2_CALL_ONHOLD ^ SIP_PAGE2_CALL_ONHOLD_ACTIVE);
+		else
+		  ast_set_flag(&p->flags[1], SIP_PAGE2_CALL_ONHOLD);
 		if (global_notifyhold)
 			sip_peer_hold(p, TRUE);
 	}
@@ -6802,9 +6803,9 @@
 	snprintf(connection, sizeof(connection), "c=IN IP4 %s\r\n", ast_inet_ntoa(dest.sin_addr));
 	ast_build_string(&m_audio_next, &m_audio_left, "m=audio %d RTP/AVP", ntohs(dest.sin_port));
 
-	if (ast_test_flag(&p->flags[1], SIP_PAGE2_CALL_ONHOLD_ONEDIR))
+	if (!ast_test_flag(&p->flags[1], SIP_PAGE2_CALL_ONHOLD_2DIR))
 		hold = "a=recvonly\r\n";
-	else if (ast_test_flag(&p->flags[1], SIP_PAGE2_CALL_ONHOLD_INACTIVE))
+	else if (!ast_test_flag(&p->flags[1], SIP_PAGE2_CALL_ONHOLD_ACTIVE))
 		hold = "a=inactive\r\n";
 	else
 		hold = "a=sendrecv\r\n";