diff --git a/ariesframework/src/androidTest/java/org/hyperledger/ariesframework/agent/AgentTest.kt b/ariesframework/src/androidTest/java/org/hyperledger/ariesframework/agent/AgentTest.kt
index 4ae10fd..0da3842 100644
--- a/ariesframework/src/androidTest/java/org/hyperledger/ariesframework/agent/AgentTest.kt
+++ b/ariesframework/src/androidTest/java/org/hyperledger/ariesframework/agent/AgentTest.kt
@@ -184,7 +184,7 @@ class AgentTest {
         agent = alice
         alice.initialize()
 
-        val faberConfig = TestHelper.getBaseConfig()
+        val faberConfig = TestHelper.getBaseConfig("faber")
         faberConfig.mediatorPickupStrategy = MediatorPickupStrategy.Implicit
         faberConfig.mediatorConnectionsInvite = publicMediatorUrl
         faberConfig.mediatorPollingInterval = 1
@@ -192,7 +192,7 @@ class AgentTest {
         val faber = Agent(context, faberConfig)
         faber.initialize()
 
-        val (aliceConnection, faberConnection) = TestHelper.makeConnection(alice, faber, 2.seconds)
+        val (aliceConnection, faberConnection) = TestHelper.makeConnection(alice, faber, 3.seconds)
         assertEquals(aliceConnection.state, ConnectionState.Complete)
         assertEquals(faberConnection.state, ConnectionState.Complete)
 
diff --git a/ariesframework/src/main/java/org/hyperledger/ariesframework/agent/MessageSender.kt b/ariesframework/src/main/java/org/hyperledger/ariesframework/agent/MessageSender.kt
index f73a380..23fca0d 100644
--- a/ariesframework/src/main/java/org/hyperledger/ariesframework/agent/MessageSender.kt
+++ b/ariesframework/src/main/java/org/hyperledger/ariesframework/agent/MessageSender.kt
@@ -116,7 +116,7 @@ class MessageSender(val agent: Agent) {
                 return listOf(service)
             }
             if (connection.outOfBandInvitation != null) {
-                return connection.outOfBandInvitation!!.services.mapNotNull { it.asDidDocService() as DidComm }
+                return connection.outOfBandInvitation!!.services.mapNotNull { it.asDidCommService() }
             }
         }
 
diff --git a/ariesframework/src/main/java/org/hyperledger/ariesframework/agent/WsOutboundTransport.kt b/ariesframework/src/main/java/org/hyperledger/ariesframework/agent/WsOutboundTransport.kt
index 835aac5..e61def3 100644
--- a/ariesframework/src/main/java/org/hyperledger/ariesframework/agent/WsOutboundTransport.kt
+++ b/ariesframework/src/main/java/org/hyperledger/ariesframework/agent/WsOutboundTransport.kt
@@ -56,7 +56,7 @@ class WsOutboundTransport(val agent: Agent) : OutboundTransport, WebSocketListen
     }
 
     override fun onMessage(webSocket: WebSocket, text: String) {
-        logger.debug("Received message: {}", text)
+        logger.debug("Agent ${agent.agentConfig.label} received a message string")
         val encryptedMessage = Json.decodeFromString<EncryptedMessage>(text)
         GlobalScope.launch {
             agent.receiveMessage(encryptedMessage)
@@ -64,7 +64,7 @@ class WsOutboundTransport(val agent: Agent) : OutboundTransport, WebSocketListen
     }
 
     override fun onMessage(webSocket: WebSocket, bytes: ByteString) {
-        logger.debug("Received message: {}", bytes.utf8())
+        logger.debug("Agent ${agent.agentConfig.label} received a message bytes.")
         val encryptedMessage = Json.decodeFromString<EncryptedMessage>(bytes.utf8())
         GlobalScope.launch {
             agent.receiveMessage(encryptedMessage)
diff --git a/ariesframework/src/main/java/org/hyperledger/ariesframework/connection/models/didauth/DidCommService.kt b/ariesframework/src/main/java/org/hyperledger/ariesframework/connection/models/didauth/DidCommService.kt
index 14004d4..5d5755e 100644
--- a/ariesframework/src/main/java/org/hyperledger/ariesframework/connection/models/didauth/DidCommService.kt
+++ b/ariesframework/src/main/java/org/hyperledger/ariesframework/connection/models/didauth/DidCommService.kt
@@ -12,4 +12,4 @@ open class DidCommService(
     override val routingKeys: List<String>? = null,
     override val priority: Int? = 0,
     override val accept: List<String>? = null,
-) : DidComm
+) : DidDocService(), DidComm
diff --git a/ariesframework/src/main/java/org/hyperledger/ariesframework/connection/models/didauth/DidDocService.kt b/ariesframework/src/main/java/org/hyperledger/ariesframework/connection/models/didauth/DidDocService.kt
index baaf1f3..1ac5f62 100644
--- a/ariesframework/src/main/java/org/hyperledger/ariesframework/connection/models/didauth/DidDocService.kt
+++ b/ariesframework/src/main/java/org/hyperledger/ariesframework/connection/models/didauth/DidDocService.kt
@@ -1,15 +1,19 @@
 package org.hyperledger.ariesframework.connection.models.didauth
 
+import kotlinx.serialization.Serializable
 import kotlinx.serialization.modules.SerializersModule
 import kotlinx.serialization.modules.polymorphic
 import kotlinx.serialization.modules.subclass
 
-interface DidDocService {
-    val id: String
-    val serviceEndpoint: String
+@Serializable
+sealed class DidDocService {
+    abstract val id: String
+    abstract val serviceEndpoint: String
 }
 
-interface DidComm : DidDocService {
+interface DidComm {
+    val id: String
+    val serviceEndpoint: String
     val recipientKeys: List<String>
     val routingKeys: List<String>?
     val priority: Int?
diff --git a/ariesframework/src/main/java/org/hyperledger/ariesframework/connection/models/didauth/DidDocumentService.kt b/ariesframework/src/main/java/org/hyperledger/ariesframework/connection/models/didauth/DidDocumentService.kt
index 3a1966d..380c415 100644
--- a/ariesframework/src/main/java/org/hyperledger/ariesframework/connection/models/didauth/DidDocumentService.kt
+++ b/ariesframework/src/main/java/org/hyperledger/ariesframework/connection/models/didauth/DidDocumentService.kt
@@ -8,4 +8,4 @@ import kotlinx.serialization.Serializable
 class DidDocumentService(
     override val id: String,
     override val serviceEndpoint: String,
-) : DidDocService
+) : DidDocService()
diff --git a/ariesframework/src/main/java/org/hyperledger/ariesframework/connection/models/didauth/IndyAgentService.kt b/ariesframework/src/main/java/org/hyperledger/ariesframework/connection/models/didauth/IndyAgentService.kt
index 6c3c91f..fdedea2 100644
--- a/ariesframework/src/main/java/org/hyperledger/ariesframework/connection/models/didauth/IndyAgentService.kt
+++ b/ariesframework/src/main/java/org/hyperledger/ariesframework/connection/models/didauth/IndyAgentService.kt
@@ -12,4 +12,4 @@ class IndyAgentService(
     override val routingKeys: List<String>? = null,
     override val priority: Int? = 0,
     override val accept: List<String>? = null,
-) : DidComm
+) : DidDocService(), DidComm
diff --git a/ariesframework/src/main/java/org/hyperledger/ariesframework/oob/models/OutOfBandDidCommService.kt b/ariesframework/src/main/java/org/hyperledger/ariesframework/oob/models/OutOfBandDidCommService.kt
index 18296e7..0001d7c 100644
--- a/ariesframework/src/main/java/org/hyperledger/ariesframework/oob/models/OutOfBandDidCommService.kt
+++ b/ariesframework/src/main/java/org/hyperledger/ariesframework/oob/models/OutOfBandDidCommService.kt
@@ -16,7 +16,7 @@ import org.hyperledger.ariesframework.util.DIDParser
 
 @Serializable(with = OutOfBandDidCommServiceSerializer::class)
 abstract class OutOfBandDidCommService {
-    abstract fun asDidDocService(): DidDocService?
+    abstract fun asDidCommService(): DidCommService?
 }
 
 object OutOfBandDidCommServiceSerializer : JsonContentPolymorphicSerializer<OutOfBandDidCommService>(OutOfBandDidCommService::class) {
@@ -35,7 +35,7 @@ class OutOfBandDidDocumentService(
     val routingKeys: List<String>? = null,
     val accept: List<String>? = null,
 ) : OutOfBandDidCommService() {
-    override fun asDidDocService(): DidDocService? {
+    override fun asDidCommService(): DidCommService? {
         return DidCommService(
             id,
             serviceEndpoint,
@@ -49,7 +49,7 @@ class OutOfBandDidDocumentService(
 class PublicDidService(
     val did: String,
 ) : OutOfBandDidCommService() {
-    override fun asDidDocService(): DidDocService? {
+    override fun asDidCommService(): DidCommService? {
         return null
     }
 }
diff --git a/ariesframework/src/test/java/org/hyperledger/ariesframework/SerializationTest.kt b/ariesframework/src/test/java/org/hyperledger/ariesframework/SerializationTest.kt
index c7d596d..b754bd2 100644
--- a/ariesframework/src/test/java/org/hyperledger/ariesframework/SerializationTest.kt
+++ b/ariesframework/src/test/java/org/hyperledger/ariesframework/SerializationTest.kt
@@ -11,6 +11,7 @@ import kotlinx.serialization.json.jsonPrimitive
 import kotlinx.serialization.modules.SerializersModule
 import kotlinx.serialization.modules.polymorphic
 import kotlinx.serialization.modules.subclass
+import org.hyperledger.ariesframework.connection.models.didauth.DidDocService
 import org.hyperledger.ariesframework.proofs.models.RequestedCredentials
 import org.hyperledger.ariesframework.util.concurrentForEach
 import org.hyperledger.ariesframework.util.concurrentMap
@@ -29,6 +30,14 @@ sealed class Service {
     abstract val id: String
 }
 
+interface DidComm {
+    val id: String
+    val serviceEndpoint: String
+    val recipientKeys: List<String>
+    val routingKeys: List<String>?
+    val priority: Int?
+}
+
 @Serializable
 @SerialName("DidDocumentService")
 data class Service1(
@@ -40,11 +49,11 @@ data class Service1(
 @SerialName("IndyAgent")
 data class Service2(
     override val id: String,
-    val serviceEndpoint: String,
-    val recipientKeys: List<String>,
-    val routingKeys: List<String>,
-    val priority: Int,
-) : Service()
+    override val serviceEndpoint: String,
+    override val recipientKeys: List<String>,
+    override val routingKeys: List<String>,
+    override val priority: Int,
+) : Service(), DidComm
 
 @Serializable
 @SerialName("did-communication")