diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 18d4191..1e8d391 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -20,7 +20,7 @@ jobs:
         run: conan install cmake/3.16.4@ -g=virtualrunenv
         working-directory: ./build
       - name: Build
-        run: conan install -s compiler.libcxx=libstdc++ .. && cmake .. && cmake --build ./ --target all --parallel
+        run: conan install -s compiler.libcxx=libstdc++ --build=missing .. && cmake .. && cmake --build ./ --target all --parallel
         working-directory: ./build
       - name: Test
         run: ctest --parallel
diff --git a/headers/Configuration.h b/headers/Configuration.h
index 9a0f2b6..75deb78 100644
--- a/headers/Configuration.h
+++ b/headers/Configuration.h
@@ -45,7 +45,12 @@ class Configuration {
 
     std::string getClientSecret()  const;
 
+    void validate_configuration_values();
+
 private:
+
+    void validate_string_value(const char *name, const std::string &value, const std::vector<std::string> &allowedValues);
+
     std::string language;
     std::string topic;
     std::string grammarPath;
@@ -60,6 +65,10 @@ class Configuration {
     std::string label;
     std::string clientId;
     std::string clientSecret;
+    std::vector<std::string> allowedTopicValues = {"GENERIC", "BANKING", "TELCO", "INSURANCE"};
+    std::vector<std::string> allowedLanguageValues = {"en-US", "en-GB", "pt-BR", "es", "es-419", "tr", "ja", "fr", "fr-CA", "de", "it"};
+    std::vector<std::string> allowedAsrVersionValues = {"V1", "V2"};
+    
 };
 
 
diff --git a/src/Configuration.cpp b/src/Configuration.cpp
index 7de6e8e..cedafc0 100644
--- a/src/Configuration.cpp
+++ b/src/Configuration.cpp
@@ -1,11 +1,11 @@
 #include "Configuration.h"
-
 #include "gRpcExceptions.h"
+#include "logger.h"
 
 #include <cxxopts.hpp>
 
 
-Configuration::Configuration() : host("csr.api.speechcenter.verbio.com"), topic("generic"), language("en-US"),
+Configuration::Configuration() : host("us.speechcenter.verbio.com"), topic("generic"), language("en-US"),
                                  sampleRate(8000) {}
 
 Configuration::Configuration(int argc, char **argv) : Configuration() {
@@ -51,6 +51,7 @@ void Configuration::parse(int argc, char **argv) {
     if ((parsedOptions.count("t") == 0) == (parsedOptions.count("g") == 0))
         throw GrpcException("Topic and grammar options are mutually exclusive and at least one is needed.");
 
+    validate_configuration_values();
 }
 
 std::string Configuration::getAudioPath() const {
@@ -107,4 +108,29 @@ std::string Configuration::getClientId()  const {
 
 std::string Configuration::getClientSecret()  const {
     return clientSecret;
+}
+
+void Configuration::validate_configuration_values() {
+
+    if(sampleRate != 8000 and sampleRate != 16000) {
+        throw std::runtime_error("Unsupported parameter value. Allowed values sample rate: 8000 1600");
+    }
+
+    validate_string_value("topic", topic, allowedTopicValues);
+    validate_string_value("language", language, allowedLanguageValues);
+    validate_string_value("asr version", asrVersion, allowedAsrVersionValues);
+}
+
+
+void Configuration::validate_string_value(const char *name, const std::string &value, const std::vector<std::string> &allowedValues) {
+    if (std::find(allowedValues.begin(), allowedValues.end(), value) == allowedValues.end())
+    {
+        std::stringstream ss;
+        std::copy(allowedValues.begin(), allowedValues.end(), std::ostream_iterator<std::string>(ss, " "));
+        std::string allowedValuesList = ss.str();
+        std::string nameString(name);
+        std::string errorMessage("Unsupported parameter value. Allowed values for ");
+        std::string exceptionMessage = errorMessage + nameString.append(": ") + allowedValuesList;
+        throw std::runtime_error(exceptionMessage);
+    }
 }
\ No newline at end of file
diff --git a/src/RecognitionClient.cpp b/src/RecognitionClient.cpp
index ffb8991..9e81521 100644
--- a/src/RecognitionClient.cpp
+++ b/src/RecognitionClient.cpp
@@ -257,6 +257,7 @@ RecognitionClient::convertTopic(const std::string &topicName) {
 
     auto topicIter = validTopics.find(topicUpper);
     if (topicIter == validTopics.end()) {
+        ERROR("Unsupported topic: {}", topicName);
         throw UnknownTopicModel(topicUpper);
     }
 
diff --git a/src/main.cpp b/src/main.cpp
index e0aff42..2148064 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -9,7 +9,7 @@ int main(int argc, char *argv[]) {
         Configuration configuration(argc, argv);
         RecognitionClient client(configuration);
         client.performStreamingRecognition();
-    } catch (GrpcException &e) {
+    } catch (std::exception &e) {
         ERROR(e.what());
         return -1;
     }