diff --git a/src/open_inwoner/openklant/admin.py b/src/open_inwoner/openklant/admin.py
index 71c7c180e2..9623284c62 100644
--- a/src/open_inwoner/openklant/admin.py
+++ b/src/open_inwoner/openklant/admin.py
@@ -8,8 +8,24 @@
 from .models import ContactFormSubject, KlantContactMomentAnswer, OpenKlantConfig
 
 
+class ContactFormSubjectForm(forms.ModelForm):
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.fields["subject_code"].widget.attrs["placeholder"] = _(
+            "Must be configured if E-suite is used"
+        )
+
+    class Meta:
+        model = ContactFormSubject
+        fields = (
+            "subject",
+            "subject_code",
+        )
+
+
 class ContactFormSubjectInlineAdmin(OrderedTabularInline):
     model = ContactFormSubject
+    form = ContactFormSubjectForm
     fields = ("subject", "subject_code", "order", "move_up_down_links")
     readonly_fields = ("order", "move_up_down_links")
     ordering = ("order",)
@@ -55,6 +71,7 @@ class OpenKlantConfigAdmin(OrderedInlineModelAdminMixin, SingletonModelAdmin):
                     "register_contact_moment",
                     "register_bronorganisatie_rsin",
                     "register_type",
+                    "register_channel",
                     "register_employee_id",
                     "use_rsin_for_innNnpId_query_parameter",
                 ],
diff --git a/src/open_inwoner/openklant/migrations/0010_openklantconfig_register_channel.py b/src/open_inwoner/openklant/migrations/0010_openklantconfig_register_channel.py
new file mode 100644
index 0000000000..5a6c401c0d
--- /dev/null
+++ b/src/open_inwoner/openklant/migrations/0010_openklantconfig_register_channel.py
@@ -0,0 +1,24 @@
+# Generated by Django 4.2.10 on 2024-03-20 15:00
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("openklant", "0009_klantcontactmomentanswer"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="openklantconfig",
+            name="register_channel",
+            field=models.CharField(
+                blank=True,
+                default="contactformulier",
+                help_text="The channel through which contactmomenten are created",
+                max_length=50,
+                verbose_name="Contactmoment kanaal",
+            ),
+        ),
+    ]
diff --git a/src/open_inwoner/openklant/models.py b/src/open_inwoner/openklant/models.py
index 293d8b09d6..90a003c747 100644
--- a/src/open_inwoner/openklant/models.py
+++ b/src/open_inwoner/openklant/models.py
@@ -50,6 +50,13 @@ class OpenKlantConfig(SingletonModel):
         default="",
         blank=True,
     )
+    register_channel = models.CharField(
+        verbose_name=_("Contactmoment kanaal"),
+        max_length=50,
+        default="contactformulier",
+        blank=True,
+        help_text=_("The channel through which contactmomenten are created"),
+    )
     register_type = models.CharField(
         verbose_name=_("Contactmoment type"),
         max_length=50,
diff --git a/src/open_inwoner/openklant/tests/test_contactform.py b/src/open_inwoner/openklant/tests/test_contactform.py
index 432aa274a8..6cbb1798de 100644
--- a/src/open_inwoner/openklant/tests/test_contactform.py
+++ b/src/open_inwoner/openklant/tests/test_contactform.py
@@ -271,7 +271,7 @@ def test_submit_and_register_anon_via_api_with_klant(self, m):
                 "bronorganisatie": "123456789",
                 "tekst": "Onderwerp: Aanvraag document\n\nhey!\n\nwaddup?",
                 "type": "Melding",
-                "kanaal": "Internet",
+                "kanaal": "contactformulier",
                 "onderwerp": "afdeling-xyz",
             },
         )
@@ -294,6 +294,7 @@ def test_submit_and_register_anon_via_api_without_klant(self, m):
         config.register_contact_moment = True
         config.register_bronorganisatie_rsin = "123456789"
         config.register_type = "Melding"
+        config.register_channel = "contactformulier"
         config.register_employee_id = "FooVonBar"
         config.save()
 
@@ -351,7 +352,7 @@ def test_submit_and_register_anon_via_api_without_klant(self, m):
                 "bronorganisatie": "123456789",
                 "tekst": text,
                 "type": "Melding",
-                "kanaal": "Internet",
+                "kanaal": "contactformulier",
                 "onderwerp": "afdeling-xyz",
             },
         )
@@ -416,7 +417,7 @@ def test_submit_and_register_bsn_user_via_api(self, m):
                 "bronorganisatie": "123456789",
                 "tekst": "Onderwerp: Aanvraag document\n\nhey!\n\nwaddup?",
                 "type": "Melding",
-                "kanaal": "Internet",
+                "kanaal": "contactformulier",
                 "onderwerp": "afdeling-xyz",
             },
         )
@@ -506,7 +507,7 @@ def test_submit_and_register_kvk_or_rsin_user_via_api(self, _m):
                             "bronorganisatie": "123456789",
                             "tekst": "Onderwerp: Aanvraag document\n\nhey!\n\nwaddup?",
                             "type": "Melding",
-                            "kanaal": "Internet",
+                            "kanaal": "contactformulier",
                             "onderwerp": "afdeling-xyz",
                         },
                     )
@@ -582,7 +583,7 @@ def test_submit_and_register_bsn_user_via_api_and_update_klant(self, m):
                 "bronorganisatie": "123456789",
                 "tekst": "Onderwerp: Aanvraag document\n\nhey!\n\nwaddup?",
                 "type": "Melding",
-                "kanaal": "Internet",
+                "kanaal": "contactformulier",
                 "onderwerp": "afdeling-xyz",
             },
         )
@@ -678,7 +679,7 @@ def test_submit_and_register_kvk_or_rsin_user_via_api_and_update_klant(self, _m)
                             "bronorganisatie": "123456789",
                             "tekst": "Onderwerp: Aanvraag document\n\nhey!\n\nwaddup?",
                             "type": "Melding",
-                            "kanaal": "Internet",
+                            "kanaal": "contactformulier",
                             "onderwerp": "afdeling-xyz",
                         },
                     )
diff --git a/src/open_inwoner/openklant/views/contactform.py b/src/open_inwoner/openklant/views/contactform.py
index d3706fea05..13a342d938 100644
--- a/src/open_inwoner/openklant/views/contactform.py
+++ b/src/open_inwoner/openklant/views/contactform.py
@@ -202,7 +202,7 @@ def register_by_api(self, form, config: OpenKlantConfig):
             "bronorganisatie": config.register_bronorganisatie_rsin,
             "tekst": text,
             "type": config.register_type,
-            "kanaal": "Internet",
+            "kanaal": config.register_channel,
             "onderwerp": subject_code or subject,
             "medewerkerIdentificatie": {
                 "identificatie": config.register_employee_id,