From b56acc0e3a20da852f18cda76169da7005f0a058 Mon Sep 17 00:00:00 2001
From: MengMengCode <227010654+MengMengCode@users.noreply.github.com>
Date: Wed, 19 Aug 2026 21:48:13 +0800
Subject: [PATCH] FIX #58

---
 internal/vowifi/carrier_compat_test.go | 10 ++++++++
 internal/vowifi/carrier_profiles.json  | 32 ++++++++++++++++++++++++--
 2 files changed, 40 insertions(+), 2 deletions(-)

diff --git a/internal/vowifi/carrier_compat_test.go b/internal/vowifi/carrier_compat_test.go
index a75f0a0..879d998 100644
--- a/internal/vowifi/carrier_compat_test.go
+++ b/internal/vowifi/carrier_compat_test.go
@@ -145,3 +145,13 @@ func TestEPDGDNSClientSubnetComesFromCarrierProfileData(t *testing.T) {
 		t.Fatalf("ordinary ePDG received geographic DNS fallback %q", got)
 	}
 }
+
+func TestResolveCarrierProfileDITOPhilippinesUsesLegacyIKE(t *testing.T) {
+	profile := ResolveCarrierProfile(SIMIdentity{HomeMCC: "515", HomeMNC: "66"})
+	if profile.ID != "dito-philippines" {
+		t.Fatalf("DITO profile = %#v", profile)
+	}
+	if profile.IKEProposal != IKEProposalLegacy {
+		t.Fatalf("DITO IKE proposal = %q, want %q", profile.IKEProposal, IKEProposalLegacy)
+	}
+}
diff --git a/internal/vowifi/carrier_profiles.json b/internal/vowifi/carrier_profiles.json
index ee2b1c1..928c1af 100644
--- a/internal/vowifi/carrier_profiles.json
+++ b/internal/vowifi/carrier_profiles.json
@@ -36,7 +36,22 @@
       "ims": {
         "identity_profile": "att",
         "register_profile": "att",
-        "ipsec_encryption": "aes-cbc"
+        "ipsec_encryption": "aes-cbc",
+        "register_options": {
+          "contact_format": "att",
+          "expiry_seconds": 18400,
+          "contact_extra_tags": ["+g.3gpp.accesstype=\"wlan1\""],
+          "supported_header": "path,sec-agree,gruu",
+          "user_agent": "SimAdmin VoWiFi",
+          "p_preferred_identity": true,
+          "p_visited_network_id": "one.att.net",
+          "p_access_network_info": "IEEE-802.11;i-wlan-node-id=000000000000;network-provided",
+          "cellular_network_info": "3GPP-E-UTRAN-FDD;utran-cell-id-3gpp=3102800000000;cell-info-age=0",
+          "accept_contact_tags": [
+            "*;+g.3gpp.smsip",
+            "*;+g.3gpp.icsi-ref=\"urn%3Aurn-7%3A3gpp-service.ims.icsi.mmtel\""
+          ]
+        }
       }
     },
     {
@@ -45,7 +60,12 @@
       "ike": { "advertise_eap_only": false },
       "ims": {
         "register_profile": "o2-germany",
-        "ipsec_encryption": "null"
+        "ipsec_encryption": "null",
+        "register_options": {
+          "supported_header": "path, gruu, outbound, sec-agree, 100rel, timer",
+          "allow_header": "INVITE, ACK, CANCEL, BYE, PRACK, UPDATE, INFO, MESSAGE, OPTIONS",
+          "p_preferred_identity": true
+        }
       }
     },
     {
@@ -93,6 +113,14 @@
         "dns_hosts": ["epdg.epc.mnc002.mcc262.pub.3gppnetwork.org"],
         "dns_client_subnet": "109.192.0.0/24"
       }
+    },
+    {
+      "id": "dito-philippines",
+      "match": { "home_plmns": ["51566"] },
+      "ike": { "proposal": "legacy-sha1-modp1024" },
+      "ims": {
+        "allow_sms_without_contact_confirmation": true
+      }
     }
   ]
 }