diff --git a/core/src/main/java/io/grpc/Call.java b/core/src/main/java/io/grpc/Call.java
index dec2d8438d..29ff35b1bc 100644
--- a/core/src/main/java/io/grpc/Call.java
+++ b/core/src/main/java/io/grpc/Call.java
@@ -152,6 +152,10 @@ public abstract class Call<RequestT, ResponseT> {
    * without requiring excessive buffering internally. This event is
    * just a suggestion and the application is free to ignore it, however doing so may
    * result in excessive buffering within the call.
+   *
+   * <p>This implementation always returns {@code true}.
    */
-  public abstract boolean isReady();
+  public boolean isReady() {
+    return true;
+  }
 }
diff --git a/core/src/main/java/io/grpc/ServerCall.java b/core/src/main/java/io/grpc/ServerCall.java
index 39f81fa810..c84549d537 100644
--- a/core/src/main/java/io/grpc/ServerCall.java
+++ b/core/src/main/java/io/grpc/ServerCall.java
@@ -137,8 +137,12 @@ public abstract class ServerCall<ResponseT> {
    * without requiring excessive buffering internally. This event is
    * just a suggestion and the application is free to ignore it, however doing so may
    * result in excessive buffering within the call.
+   *
+   * <p>This implementation always returns {@code true}.
    */
-  public abstract boolean isReady();
+  public boolean isReady() {
+    return true;
+  }
 
   /**
    * Close the call with the provided status. No further sending or receiving will occur. If {@code