diff --git a/src/conf/pcm/Makefile.am b/src/conf/pcm/Makefile.am
index 7576db1e..ee40974c 100644
--- a/src/conf/pcm/Makefile.am
+++ b/src/conf/pcm/Makefile.am
@@ -1,7 +1,7 @@
 cfg_files = front.conf rear.conf center_lfe.conf side.conf\
 	    surround40.conf surround41.conf \
 	    surround50.conf surround51.conf \
-	    surround71.conf iec958.conf
+	    surround71.conf iec958.conf modem.conf
 
 EXTRA_DIST = $(cfg_files)
 
diff --git a/src/conf/pcm/modem.conf b/src/conf/pcm/modem.conf
new file mode 100644
index 00000000..7e8150b8
--- /dev/null
+++ b/src/conf/pcm/modem.conf
@@ -0,0 +1,47 @@
+#
+# Modem output
+#
+
+pcm.!modem {
+	@args [ CARD DEV ]
+	@args.CARD {
+		type string
+		default {
+			@func getenv
+			vars [
+				ALSA_MODEM_CARD
+				ALSA_PCM_CARD
+				ALSA_CARD
+			]
+			default {
+				@func refer
+				name defaults.pcm.modem.card
+			}
+		}
+	}
+	@args.DEV {
+		type integer
+		default {
+			@func igetenv
+			vars [
+				ALSA_MODEM_DEVICE
+			]
+			default {
+				@func refer
+				name defaults.pcm.modem.device
+			}
+		}
+	}
+	@func refer
+	name {
+		@func concat
+		strings [
+			"cards."
+			{
+				@func card_driver
+				card $CARD
+			}
+			".pcm.modem." $DEV ":CARD=" $CARD
+		]
+	}
+}