Expose Register Expires setting and if Register at all.

Author: ghenry

lib/src/sip_ua_helper.dart

@@ -103,6 +103,7 @@ class SIPUAHelper extends EventManager {
  _settings.display_name = uaSettings.displayName;
  _settings.authorization_user = uaSettings.authorizationUser;
  _settings.user_agent = uaSettings.userAgent ?? DartSIP_C.USER_AGENT;
+ _settings.register_expires = uaSettings.register_expires;
  _settings.register_extra_contact_uri_params =
  uaSettings.registerParams.extraContactUriParams;
 
@@ -552,6 +553,13 @@ class UaSettings {
  String webSocketUrl;
  WebSocketSettings webSocketSettings = WebSocketSettings();
 
+ /// May not need to register if on a static IP, just Auth
+ /// Default is true
+ bool register;
+
+ /// Default is 600 secs in config.dart
+ int register_expires;
+
  /// Mainly used for RFC8599 Push Notification Support
  RegisterParams registerParams = RegisterParams();