diff --git a/.github/workflows/rtp.io.yml b/.github/workflows/rtp.io.yml
index b8a6db465a..1674887469 100644
--- a/.github/workflows/rtp.io.yml
+++ b/.github/workflows/rtp.io.yml
@@ -11,6 +11,9 @@ on:
   # Allows you to run this workflow manually from the Actions tab
   workflow_dispatch:
 
+env:
+  COMPILER: clang-18
+
 # A workflow run is made up of one or more jobs that can run sequentially or in parallel
 jobs:
   build_test_rtp_io:
@@ -21,9 +24,8 @@ jobs:
       image: sippylabs/rtpproxy:latest
       options: --privileged --sysctl net.ipv6.conf.all.disable_ipv6=0
     env:
-      COMPILER: clang-18
-      BUILD_OS: ubuntu-latest
       PYTHON_VERSION: 3.12
+      BUILD_OS: ubuntu-latest
 
     steps:
       # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
@@ -101,11 +103,13 @@ jobs:
 
   build_test_rtp_io_dock:
     runs-on: ubuntu-latest
+    permissions:
+      packages: write
     env:
       BASE_IMAGE: ghcr.io/sippy/rtpproxy:latest
-      COMPILER: clang-18
-      BUILD_OS: ubuntu-latest
-      PYTHON_VERSION: 3.12
+      GHCR_REPO: ghcr.io/${{ github.repository_owner }}/opensips
+    outputs:
+      matrix: ${{ steps.set-env.outputs.test_matrix }}
 
     steps:
       - uses: actions/checkout@v4
@@ -131,19 +135,39 @@ jobs:
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
 
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
       - name: Set dynamic environment
+        id: set-env
         run: |
           PLATFORMS="`docker manifest inspect ${{ env.BASE_IMAGE }} | \
             jq -r '.manifests[] | "\(.platform.os)/\(.platform.architecture)\(if .platform.variant != null then "/\(.platform.variant)" else "" end)"' | \
             sort -u | grep -v unknown | paste -sd ','`"
           echo "Platforms: ${PLATFORMS}"
+          GIT_BRANCH="${GITHUB_HEAD_REF:-${GITHUB_REF#refs/heads/}}"
           echo "PLATFORMS=${PLATFORMS}" >> $GITHUB_ENV
+          echo "GIT_BRANCH=${GIT_BRANCH}" >> $GITHUB_ENV
+          echo "BUILD_IMAGE=${{ env.GHCR_REPO }}:rtp.io-${GIT_BRANCH}" >> $GITHUB_ENV
+          TEST_MATRIX="`echo ${PLATFORMS} | tr ',' '\n'  | jq -R . | jq -s . | tr '\n' ' '`"
+          echo "test_matrix=${TEST_MATRIX}" >> $GITHUB_OUTPUT
 
       - name: Build Docker image
         uses: docker/build-push-action@v6
+        env:
+          CACHE_SPEC: "type=registry,ref=${{ env.BUILD_IMAGE }}-buildcache"
         with:
           context: .
           file: ./docker/Dockerfile.rtp.io
           build-args: |
             BASE_IMAGE=${{ env.BASE_IMAGE }}
+#          platforms: linux/arm/v7
           platforms: ${{ env.PLATFORMS }}
+          cache-from: ${{ env.CACHE_SPEC }}
+          cache-to: ${{ env.CACHE_SPEC }},mode=max
+          tags: ${{ env.BUILD_IMAGE }}
+          push: true
diff --git a/docker/Dockerfile.rtp.io b/docker/Dockerfile.rtp.io
index d40016cb25..e57db4fffb 100644
--- a/docker/Dockerfile.rtp.io
+++ b/docker/Dockerfile.rtp.io
@@ -9,17 +9,18 @@ USER root
 # Set Environment Variables
 ENV DEBIAN_FRONTEND=noninteractive
 
-WORKDIR /tmp
+WORKDIR /src
 
 ARG COMPILER=clang-18
 ARG BUILD_OS=ubuntu-latest
 RUN --mount=type=bind,source=scripts/build,target=scripts/build \
  sh -x scripts/build/install_depends.sh
+RUN apt-get install -y gpp python-is-python3 python3-pip
+RUN --mount=type=bind,source=dist/voiptests/requirements.txt,target=. \
+ python -m pip install --break-system-packages -U -r requirements.txt
 
-COPY --exclude=.git --exclude=.github . .
-
-RUN pwd
-RUN ls -l
+COPY --exclude=.git --exclude=.github --exclude=docker --exclude=dist \
+ . .
 
 ARG KEEP_MODULES="dialog sipmsgops sl tm rr maxfwd rtp.io rtpproxy textops"
 ARG SKIP_MODULES="usrloc event_routing clusterer rtp_relay"
@@ -27,3 +28,21 @@ RUN mkdir tmp && cd modules && mv ${KEEP_MODULES} ${SKIP_MODULES} ../tmp && \
  rm -rf * && cd ../tmp && mv ${KEEP_MODULES} ${SKIP_MODULES} ../modules && \
  cd .. && rmdir tmp
 RUN EXCLUDE_MODULES_ADD="${SKIP_MODULES}" sh -x scripts/build/do_build.sh
+RUN apt-get install -y libsrtp2-dev lld-18
+RUN env ONE_MODULE=rtp.io LDFLAGS="-flto -fuse-ld=lld" CFLAGS=-flto \
+ sh -x scripts/build/do_build.sh
+ARG CC=${COMPILER}
+COPY --exclude=.git --exclude=.github dist/rtpproxy dist/rtpproxy
+RUN cd dist/rtpproxy && ./configure
+
+COPY --exclude=.git --exclude=.github dist/voiptests dist/voiptests
+
+ENV MM_TYPE=opensips
+ENV MM_BRANCH=master
+ENV MM_ROOT=../..
+ENV RTPP_BRANCH=DOCKER
+ENV RTPPC_TYPE=rtp.io
+ENV RTPPROXY_DIST=../../dist/rtpproxy
+ENV ALICE_ARGS="-4"
+WORKDIR dist/voiptests
+ENTRYPOINT [ "sh", "-x", "./test_run.sh" ]