fix: prevent StrictMode double-mount from killing SIP WebSocket connection

src/lib/sip-client.ts

@@ -15,15 +15,26 @@ export class SIPClient {
     ) {}
 
     connect(): void {
+        // Enable JsSIP debug logging to diagnose connection issues
+        JsSIP.debug.enable('JsSIP:*');
+
         const socket = new JsSIP.WebSocketInterface(this.config.wsServer);
 
+        // Extract SIP ID from URI for authorization_user
+        // URI format: sip:521814@blr-pub-rtc4.ozonetel.com
+        const sipId = this.config.uri.replace('sip:', '').split('@')[0];
+
         const configuration: UAConfiguration = {
             sockets: [socket],
             uri: this.config.uri,
             password: this.config.password,
+            authorization_user: sipId,
             display_name: this.config.displayName,
             register: true,
             register_expires: 120,
+            session_timers: false,
+            connection_recovery_min_interval: 2,
+            connection_recovery_max_interval: 30,
         };
 
         this.ua = new JsSIP.UA(configuration);