From f71d3aed8bc9dbc52e44d960e963294b54dc9ad7 Mon Sep 17 00:00:00 2001
From: Hoan Luu Huu <110280845+xquanluu@users.noreply.github.com>
Date: Thu, 9 Mar 2023 20:58:19 +0700
Subject: [PATCH] feat: forward PAI from inbound call to dial outbound call
 (#280)

* feat: forward PAI from inbound call to dial outbound call

* fix: review comment

---------

Co-authored-by: Quan HL <quanluuhoang8@gmail.com>
---
 lib/tasks/dial.js | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/lib/tasks/dial.js b/lib/tasks/dial.js
index 2fa32534..4b4415f4 100644
--- a/lib/tasks/dial.js
+++ b/lib/tasks/dial.js
@@ -400,15 +400,19 @@ class TaskDial extends Task {
     let fqdn;
 
     if (!sbcAddress) throw new Error('no SBC found for outbound call');
+    this.headers = {
+      'X-Account-Sid': cs.accountSid,
+      ...(req && req.has('X-CID') && {'X-CID': req.get('X-CID')}),
+      ...(req && req.has('P-Asserted-Identity') && {'P-Asserted-Identity': req.get('P-Asserted-Identity')}),
+      // Put headers at the end to make sure opt.headers override all default behavior.
+      ...this.headers
+    };
+
     const opts = {
-      headers: req && req.has('X-CID') ? Object.assign(this.headers, {'X-CID': req.get('X-CID')}) : this.headers,
+      headers: this.headers,
       proxy: `sip:${sbcAddress}`,
       callingNumber: this.callerId || req.callingNumber
     };
-    opts.headers = {
-      ...opts.headers,
-      'X-Account-Sid': cs.accountSid
-    };
 
     const t = this.target.find((t) => t.type === 'teams');
     if (t) {