diff --git a/test/pts/hfp_ag_test.c b/test/pts/hfp_ag_test.c
index 65de797fd..5c61e289e 100644
--- a/test/pts/hfp_ag_test.c
+++ b/test/pts/hfp_ag_test.c
@@ -684,7 +684,7 @@ int btstack_main(int argc, const char * argv[]){
     l2cap_init();
     rfcomm_init();
     
-    hfp_ag_init(rfcomm_channel_nr, 0x3ef | (1<<HFP_AGSF_HF_INDICATORS), codecs, sizeof(codecs), 
+    hfp_ag_init(rfcomm_channel_nr, 0x3ef | (1<<HFP_AGSF_HF_INDICATORS) | (1<<HFP_AGSF_ESCO_S4), codecs, sizeof(codecs), 
         ag_indicators, ag_indicators_nr, 
         hf_indicators, hf_indicators_nr, 
         call_hold_services, call_hold_services_nr);
diff --git a/test/pts/hfp_hf_test.c b/test/pts/hfp_hf_test.c
index 228403b3a..0577795d7 100644
--- a/test/pts/hfp_hf_test.c
+++ b/test/pts/hfp_hf_test.c
@@ -257,7 +257,7 @@ int btstack_main(int argc, const char * argv[]){
     rfcomm_init();
     
     // hfp_hf_init(rfcomm_channel_nr, HFP_DEFAULT_HF_SUPPORTED_FEATURES, codecs, sizeof(codecs), indicators, sizeof(indicators)/sizeof(uint16_t), 1);
-    hfp_hf_init(rfcomm_channel_nr, 438, indicators, sizeof(indicators)/sizeof(uint16_t), 1);
+    hfp_hf_init(rfcomm_channel_nr, 438 | (1<<HFP_HFSF_ESCO_S4), indicators, sizeof(indicators)/sizeof(uint16_t), 1);
     hfp_hf_set_codecs(codecs, sizeof(codecs));
     
     hfp_hf_register_packet_handler(packet_handler);