Fix sdp body issue

Author: tylerlong

package.json

@@ -1,6 +1,6 @@
 {
   "name": "ringcentral-web-phone",
-  "version": "2.2.5",
+  "version": "2.2.6",
   "repository": {
     "type": "git",
     "url": "git+https://github.com/ringcentral/ringcentral-web-phone.git"
@@ -40,7 +40,7 @@
     "uuid": "^11.1.0"
   },
   "devDependencies": {
-    "@playwright/test": "^1.54.1",
+    "@playwright/test": "^1.54.2",
     "@rollup/plugin-commonjs": "^28.0.6",
     "@rollup/plugin-node-resolve": "^16.0.1",
     "@types/blueimp-md5": "^2.18.2",
@@ -53,12 +53,12 @@
     "manate": "^2.0.0",
     "parcel": "^2.15.4",
     "process": "^0.11.10",
-    "rollup": "^4.45.1",
+    "rollup": "^4.46.2",
     "stream-browserify": "^3.0.0",
     "string_decoder": "^1.3.0",
     "timers-browserify": "^2.0.12",
     "tsx": "^4.20.3",
-    "typescript": "^5.8.3",
+    "typescript": "^5.9.2",
     "wait-for-async": "^0.7.13",
     "yarn-upgrade-all": "^0.7.5"
   },

src/call-session/inbound.ts

@@ -140,7 +140,7 @@ class InboundCallSession extends CallSession {
       headers: {
         "Content-Type": "application/sdp",
       },
-      body: answer.sdp,
+      body: this.rtcPeerConnection.localDescription!.sdp,
     });
     await this.webPhone.sipClient.reply(newMessage);
 

src/call-session/index.ts

@@ -355,7 +355,7 @@ class CallSession extends EventEmitter {
       headers: {
         "Content-Type": "application/sdp",
       },
-      body: answer.sdp,
+      body: this.rtcPeerConnection.localDescription!.sdp,
     });
     await this.webPhone.sipClient.reply(newMessage);
 

src/call-session/outbound.ts

@@ -76,7 +76,7 @@ class OutboundCallSession extends CallSession {
         Via: `SIP/2.0/WSS ${fakeDomain};branch=${branch()}`,
         "Content-Type": "application/sdp",
       },
-      this.rtcPeerConnection.localDescription!.sdp!,
+      this.rtcPeerConnection.localDescription!.sdp,
     );
     if (callerId) {
       inviteMessage.headers["P-Asserted-Identity"] =