From cb5958aaedaf88a7558726d2c78d160907c468eb Mon Sep 17 00:00:00 2001
From: Chris <38938642+ChrisKontosEU@users.noreply.github.com>
Date: Mon, 20 Jul 2020 15:31:34 +0200
Subject: [PATCH] added answer to server with 180 (#223)

---
 Pod/Classes/VSLEndpoint.m | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Pod/Classes/VSLEndpoint.m b/Pod/Classes/VSLEndpoint.m
index 2b9dfc43..1a597c36 100644
--- a/Pod/Classes/VSLEndpoint.m
+++ b/Pod/Classes/VSLEndpoint.m
@@ -745,6 +745,9 @@ static void onIncomingCall(pjsua_acc_id acc_id, pjsua_call_id call_id, pjsip_rx_
             call.callId = call_id;
             call.invite = [[SipInvite alloc] initWithInvitePacket:rdata->pkt_info.packet];
 
+            // Answer 180 to the server so it will create a tone signalling the caller that the remote side is ringing.
+            pjsua_call_answer(call_id, 180, NULL, NULL);
+            
             if ([VSLEndpoint sharedEndpoint].incomingCallBlock) {
                 [VSLEndpoint sharedEndpoint].incomingCallBlock(call);
             }