diff --git a/android/src/main/kotlin/xyz/nuark/liblinphone_flutter/LinphoneBridge.kt b/android/src/main/kotlin/xyz/nuark/liblinphone_flutter/LinphoneBridge.kt
index 44a0b96..2dce681 100644
--- a/android/src/main/kotlin/xyz/nuark/liblinphone_flutter/LinphoneBridge.kt
+++ b/android/src/main/kotlin/xyz/nuark/liblinphone_flutter/LinphoneBridge.kt
@@ -219,7 +219,7 @@ class LinphoneBridge(
         core.uploadBandwidth = 512
         core.downloadBandwidth = 1500
 
-        val preferredAudio = listOf("opus", "speex", "pcmu", "pcma") // in order of preference
+        val preferredAudio = listOf("g729", "opus", "speex", "pcmu", "pcma") // in order of preference
         val preferredVideo = listOf("h264", "vp8")
 
         core.audioPayloadTypes.forEach { pt: PayloadType ->