Add minimal USSD support to test extension number

Change-Id: Ib19331f9c6476ac01bf729790dfd63c56de86a89
diff --git a/example/default-suites.conf b/example/default-suites.conf
index 3fd1322..5cf19ef 100644
--- a/example/default-suites.conf
+++ b/example/default-suites.conf
@@ -1,12 +1,18 @@
 - sms:sysmo
 - aoip_sms:sysmo
+- ussd:sysmo
+- aoip_ussd:sysmo
 - voice:sysmo
 - sms:trx-b200
 - aoip_sms:trx-b200
+- ussd:trx-b200
+- aoip_ussd:trx-b200
 - voice:trx-b200
 - sms:trx-sysmocell5000
 - aoip_sms:trx-sysmocell5000
 - voice:trx-sysmocell5000
+- ussd:trx-sysmocell5000
+- aoip_ussd:trx-sysmocell5000
 - smpp
 - aoip_smpp
 - aoip_encryption
diff --git a/example/resources.conf b/example/resources.conf
index 70c1c35..bdf2347 100644
--- a/example/resources.conf
+++ b/example/resources.conf
@@ -60,7 +60,7 @@
   ki: '80A37E6FDEA931EAC92FFA5F671EFEAD'
   auth_algo: 'xor'
   ciphers: [a5_0, a5_1]
-  features: ['sms', 'voice']
+  features: ['sms', 'voice', 'ussd']
 
 - label: sierra_2
   path: '/sierra_2'
@@ -68,7 +68,7 @@
   ki: '00969E283349D354A8239E877F2E0866'
   auth_algo: 'xor'
   ciphers: [a5_0, a5_1]
-  features: ['sms', 'voice']
+  features: ['sms', 'voice', 'ussd']
 
 - label: gobi_0
   path: '/gobi_0'
@@ -76,7 +76,7 @@
   ki: 'BB70807226393CDBAC8DD3439FF54252'
   auth_algo: 'xor'
   ciphers: [a5_0, a5_1]
-  features: ['sms']
+  features: ['sms', 'ussd']
 
 - label: gobi_3
   path: '/gobi_3'