SIP_Emulation: Fix SIPEM_register when several conns are active

"Dynamic test case error: Port CLIENT_PROC has more than one active
connections. Message can be sent on it only with explicit addressing.".

Change-Id: Ibf868394ce2c495a78ab943ddec278a45bf71088
---
M library/SIP_Emulation.ttcn
1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/library/SIP_Emulation.ttcn b/library/SIP_Emulation.ttcn
index 41e6975..5c00c4d 100644
--- a/library/SIP_Emulation.ttcn
+++ b/library/SIP_Emulation.ttcn
@@ -326,9 +326,9 @@
 			SIP.send(sip_resp);
 			}
 
-		[] CLIENT_PROC.getcall(SIPEM_register:{?,?}) -> param(sip_to, vc_hdlr) {
+		[] CLIENT_PROC.getcall(SIPEM_register:{?,?}) -> param(sip_to, vc_hdlr) sender vc_conn {
 			f_create_expect(sip_to, vc_hdlr);
-			CLIENT_PROC.reply(SIPEM_register:{sip_to, vc_hdlr});
+			CLIENT_PROC.reply(SIPEM_register:{sip_to, vc_hdlr}) to vc_conn;
 			}
 
 		}

