diff -Naur gammu-1.07.00-orig/common/phone/nokia/nfunc.c gammu-1.07.00/common/phone/nokia/nfunc.c
--- gammu-1.07.00-orig/common/phone/nokia/nfunc.c	2006-06-10 20:20:45 +0300
+++ gammu-1.07.00/common/phone/nokia/nfunc.c	2006-07-03 12:46:04 +0300
@@ -1232,6 +1232,9 @@
 		case 0x3e:
 			smprintf(s, "Too much entries\n");
 			return ERR_NOTSUPPORTED;
+		case 50:
+			smprintf(s, "Ignoring ERROR: unknown 50\n");
+			return ERR_NONE;
 		default:
 			smprintf(s, "ERROR: unknown %i\n",msg.Buffer[10]);
 			return ERR_UNKNOWNRESPONSE;