diff --git a/libervia/cli/cmd_call.py b/libervia/cli/cmd_call.py
index 71b62ce8..4142e4eb 100644
--- a/libervia/cli/cmd_call.py
+++ b/libervia/cli/cmd_call.py
@@ -28,7 +28,7 @@ from libervia.backend.core.i18n import _
 from libervia.backend.tools.common import data_format
 from libervia.cli.constants import Const as C
 from libervia.frontends.tools import jid
-from libervia.frontends.tools.webrtc_models import CallData
+from libervia.frontends.tools.webrtc_models import CallData, SourcesPipeline
 
 from . import base
 
@@ -58,18 +58,40 @@ class Common(base.CommandBase):
         self.parser.add_argument(
             "--no-ui", action="store_true", help=_("disable user interface")
         )
-        sources_group = self.parser.add_mutually_exclusive_group()
-        sources_group.add_argument(
+        self.parser.add_argument(
             "-s",
             "--sources",
             choices=["auto", "test"],
             default="auto",
             help='Well-known sources to use (default: "auto").',
         )
+        pipelines_group = self.parser.add_argument_group(
+            title = "Custom Pipelines"
+        )
+        pipelines_group.add_argument(
+            "-V",
+            "--video",
+            help="GStreamer pipeline description for the video stream"
+        )
+        pipelines_group.add_argument(
+            "-A",
+            "--audio",
+            help="GStreamer pipeline description for the audio stream"
+        )
 
     def get_call_data_kw(self) -> dict[str, Any]:
         """Get relevant keyword arguments for CallData"""
         kwargs: dict[str, Any] = {}
+        if self.args.video or self.args.audio:
+            if self.args.sources != "auto":
+                self.parser.error(
+                    "You can 't use --sources and --video or --audio at the same time."
+                )
+            kwargs["sources_data"] = SourcesPipeline(
+                video_pipeline=self.args.video,
+                audio_pipeline=self.args.audio
+            )
+
         if self.args.sources == "test":
             from libervia.frontends.tools.webrtc_models import SourcesTest