diff --git a/app/src/main/assets/config b/app/src/main/assets/config
index e38fcc42..b1f617ba 100644
--- a/app/src/main/assets/config
+++ b/app/src/main/assets/config
@@ -20,11 +20,12 @@ jitter_buffer_delay 5-10
 rtp_stats no
 dyn_dns yes
 net_prefer_ipv6 no
-module ilbc.so
-module g722.so
-module g7221.so
-module g711.so
 module opus.so
+module ilbc.so
+module g7221.so
+module g722.so
+module g726.so
+module g711.so
 module webrtc_aec.so
 module opensles.so
 module stun.so
diff --git a/app/src/main/kotlin/com/tutpro/baresip/Config.kt b/app/src/main/kotlin/com/tutpro/baresip/Config.kt
index c1c42e7f..0ad66eea 100644
--- a/app/src/main/kotlin/com/tutpro/baresip/Config.kt
+++ b/app/src/main/kotlin/com/tutpro/baresip/Config.kt
@@ -20,16 +20,14 @@ object Config {
             config = "${config}ausrc_format s16\nauplay_format s16\nauenc_format s16\naudec_format s16\nmodule webrtc_aec.so\n"
             write = true
         }
-        if (!config.contains(Regex("module[ ]+g722.so"))) {
-            config = "${config}module g722.so\n"
-            write = true
-        }
-        if (!config.contains(Regex("module[ ]+g7221.so"))) {
-            config = "${config}module g7221.so\n"
-            write = true
-        }
-        if (!config.contains(Regex("module[ ]+ilbc.so"))) {
+        if (!config.contains(Regex("module_app[ ]+g726.so"))) {
+            config = config.replace(Regex("module[ ]+g7...?.so\n"), "")
+            config = config.replace(Regex("module[ ]+ilbc.so\n"), "")
             config = "${config}module ilbc.so\n"
+            config = "${config}module g7221.so\n"
+            config = "${config}module g722.so\n"
+            config = "${config}module g726.so\n"
+            config = "${config}module g711.so\n"
             write = true
         }
         if (config.contains(Regex("#module_app[ ]+mwi.so"))) {