[Bugfix][T106BUG-165][T106BUG-27] fix setsmscenteraddress&getsmscenteraddress error2

Only Configure:No
Affected branch:master
Affected module:No
Is it affected on both ZXIC and MTK: only ZXIC
Self-test: Yes
Doc Update: No

Change-Id: I1638c5a9b04e3481c60fc7db4595ec092214df02
diff --git a/cap/zx297520v3/zxic_code/zxic_source/zxic_app_open/sdk/ril/reference-ril/ril_ref.c b/cap/zx297520v3/zxic_code/zxic_source/zxic_app_open/sdk/ril/reference-ril/ril_ref.c
index 4bc6743..212c4f6 100755
--- a/cap/zx297520v3/zxic_code/zxic_source/zxic_app_open/sdk/ril/reference-ril/ril_ref.c
+++ b/cap/zx297520v3/zxic_code/zxic_source/zxic_app_open/sdk/ril/reference-ril/ril_ref.c
@@ -350,7 +350,7 @@
     at_send_command("AT+COLP=0", NULL);
 
     /*  HEX character set */
-    at_send_command("AT+CSCS=\"HEX\"", NULL);
+    at_send_command("AT+CSCS=\"GSM\"", NULL);
 
     /*  USSD unsolicited */
     at_send_command("AT+CUSD=1", NULL);