diff --git a/openbsc/src/mgcp/mgcp_network.c b/openbsc/src/mgcp/mgcp_network.c
index 6ee268c..96f35df 100644
--- a/openbsc/src/mgcp/mgcp_network.c
+++ b/openbsc/src/mgcp/mgcp_network.c
@@ -174,7 +174,7 @@
 		return -1;
 	}
 
-	port = rtp_calculate_port(ENDPOINT_NUMBER(endp), 4000);
+	port = rtp_calculate_port(ENDPOINT_NUMBER(endp), cfg->transcoder_remote_base);
 	if (!is_rtp)
 		port += 1;
 
diff --git a/openbsc/src/mgcp/mgcp_protocol.c b/openbsc/src/mgcp/mgcp_protocol.c
index 6d9a6b4..f18431a 100644
--- a/openbsc/src/mgcp/mgcp_protocol.c
+++ b/openbsc/src/mgcp/mgcp_protocol.c
@@ -780,6 +780,7 @@
 	cfg->source_addr = talloc_strdup(cfg, "0.0.0.0");
 	cfg->audio_name = talloc_strdup(cfg, "AMR/8000");
 	cfg->audio_payload = 126;
+	cfg->transcoder_remote_base = 4000;
 
 	cfg->bts_ports.base_port = RTP_PORT_DEFAULT;
 	cfg->net_ports.base_port = RTP_PORT_NET_DEFAULT;
@@ -934,7 +935,7 @@
 	send_msg(endp, out_endp, endp->transcoder_end.local_port, "CRCX", "sendrecv");
 	send_msg(endp, out_endp, endp->transcoder_end.local_port, "MDCX", "sendrecv");
 
-	port = rtp_calculate_port(out_endp, 4000);
+	port = rtp_calculate_port(out_endp, endp->cfg->transcoder_remote_base);
 	endp->transcoder_end.rtp_port = htons(port);
 	endp->transcoder_end.rtcp_port = htons(port + 1);
 }
diff --git a/openbsc/src/mgcp/mgcp_vty.c b/openbsc/src/mgcp/mgcp_vty.c
index d84c3c1..d7c649e 100644
--- a/openbsc/src/mgcp/mgcp_vty.c
+++ b/openbsc/src/mgcp/mgcp_vty.c
@@ -86,6 +86,7 @@
 	else
 		vty_out(vty, "  rtp transcoder-range %u %u%s",
 			g_cfg->transcoder_ports.range_start, g_cfg->transcoder_ports.range_end, VTY_NEWLINE);
+	vty_out(vty, "  transcoder-remote-base %u%s", g_cfg->transcoder_remote_base, VTY_NEWLINE);
 
 	return CMD_SUCCESS;
 }
@@ -329,6 +330,16 @@
 	return CMD_SUCCESS;
 }
 
+DEFUN(cfg_mgcp_transcoder_remote_base,
+      cfg_mgcp_transcoder_remote_base_cmd,
+      "transcoder-remote-base <0-65534>",
+      "Set the base port for the transcoder\n" "The RTP base port on the transcoder")
+{
+	g_cfg->transcoder_remote_base = atoi(argv[0]);
+	return CMD_SUCCESS;
+}
+
+
 DEFUN(loop_endp,
       loop_endp_cmd,
       "loop-endpoint NAME (0|1)",
@@ -453,6 +464,7 @@
 	install_element(MGCP_NODE, &cfg_mgcp_number_endp_cmd);
 	install_element(MGCP_NODE, &cfg_mgcp_agent_addr_cmd);
 	install_element(MGCP_NODE, &cfg_mgcp_transcoder_cmd);
+	install_element(MGCP_NODE, &cfg_mgcp_transcoder_remote_base_cmd);
 	return 0;
 }