Add National ISDN 1 support

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@1061 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/chan_zap.c

@@ -6591,6 +6591,10 @@ int load_module()
 		} else if (!strcasecmp(v->name, "switchtype")) {
 			if (!strcasecmp(v->value, "national")) 
 				switchtype = PRI_SWITCH_NI2;
+#ifdef PRI_SWITCH_NI1
+			else if (!strcasecmp(v->value, "ni1"))
+				switchtype = PRI_SWITCH_NI1;
+#endif
 			else if (!strcasecmp(v->value, "dms100"))
 				switchtype = PRI_SWITCH_DMS100;
 			else if (!strcasecmp(v->value, "4ess"))

configs/zapata.conf.sample

@@ -15,11 +15,12 @@ context=default
 ;
 ; Switchtype:  Only used for PRI.
 ;
-; national:	  National ISDN
+; national:	  National ISDN 2 (default)
 ; dms100:	  Nortel DMS100
 ; 4ess:           AT&T 4ESS
 ; 5ess:	          Lucent 5ESS
 ; euroisdn:       EuroISDN
+; ni1:            Old National ISDN 1
 ;
 switchtype=national
 ;