diff --git a/pkgs/servers/osmocom/libasn1c/default.nix b/pkgs/servers/osmocom/libasn1c/default.nix
new file mode 100644
index 000000000000..36aae50bd836
--- /dev/null
+++ b/pkgs/servers/osmocom/libasn1c/default.nix
@@ -0,0 +1,42 @@
+{ lib
+, stdenv
+, autoreconfHook
+, fetchFromGitHub
+, pkg-config
+, talloc
+}:
+
+stdenv.mkDerivation rec {
+  pname = "libasn1c";
+  version = "0.9.35";
+
+  src = fetchFromGitHub {
+    owner = "osmocom";
+    repo = "libasn1c";
+    rev = version;
+    hash = "sha256-mi97sWo42U/02xv4QDyUTRh26cyxhcOV5npqCuWsUOc=";
+  };
+
+  postPatch = ''
+    echo "${version}" > .tarball-version
+  '';
+
+  nativeBuildInputs = [
+    autoreconfHook
+    pkg-config
+  ];
+
+  buildInputs = [
+    talloc
+  ];
+
+  enableParallelBuilding = true;
+
+  meta = with lib; {
+    description = "Runtime library of Lev Walkin's asn1c split out as separate library";
+    homepage = "github.com/osmocom/libasn1c/";
+    license = licenses.bsd2;
+    platforms = platforms.linux;
+    maintainers = with maintainers; [ janik ];
+  };
+}
diff --git a/pkgs/servers/osmocom/libosmo-netif/default.nix b/pkgs/servers/osmocom/libosmo-netif/default.nix
new file mode 100644
index 000000000000..eed212836a36
--- /dev/null
+++ b/pkgs/servers/osmocom/libosmo-netif/default.nix
@@ -0,0 +1,44 @@
+{ lib
+, stdenv
+, autoreconfHook
+, fetchFromGitHub
+, lksctp-tools
+, pkg-config
+, libosmocore
+}:
+
+stdenv.mkDerivation rec {
+  pname = "libosmo-netif";
+  version = "1.3.0";
+
+  src = fetchFromGitHub {
+    owner = "osmocom";
+    repo = "libosmo-netif";
+    rev = version;
+    hash = "sha256-PhGi/6JVO8tXxzfGwEKUB/GdrgCJkqROo26TPU+O9Sg=";
+  };
+
+  postPatch = ''
+    echo "${version}" > .tarball-version
+  '';
+
+  nativeBuildInputs = [
+    autoreconfHook
+    pkg-config
+  ];
+
+  buildInputs = [
+    lksctp-tools
+    libosmocore
+  ];
+
+  enableParallelBuilding = true;
+
+  meta = with lib; {
+    description = "Osmocom network / socket interface library";
+    homepage = "https://osmocom.org/projects/libosmo-netif/wiki";
+    license = licenses.gpl2Plus;
+    platforms = platforms.linux;
+    maintainers = with maintainers; [ janik ];
+  };
+}
diff --git a/pkgs/servers/osmocom/libosmo-sccp/default.nix b/pkgs/servers/osmocom/libosmo-sccp/default.nix
new file mode 100644
index 000000000000..80edf0f368f0
--- /dev/null
+++ b/pkgs/servers/osmocom/libosmo-sccp/default.nix
@@ -0,0 +1,48 @@
+{ lib
+, stdenv
+, autoreconfHook
+, fetchFromGitHub
+, lksctp-tools
+, pkg-config
+, libosmocore
+, libosmo-netif
+}:
+
+stdenv.mkDerivation rec {
+  pname = "libosmo-sccp";
+  version = "1.7.0";
+
+  src = fetchFromGitHub {
+    owner = "osmocom";
+    repo = "libosmo-sccp";
+    rev = version;
+    hash = "sha256-ScJZke9iNmFc9XXqtRjb24ZzKfa5EYws5PDNhcZFb7U=";
+  };
+
+  configureFlags = [ "--with-systemdsystemunitdir=$out" ];
+
+  postPatch = ''
+    echo "${version}" > .tarball-version
+  '';
+
+  nativeBuildInputs = [
+    autoreconfHook
+    pkg-config
+  ];
+
+  buildInputs = [
+    lksctp-tools
+    libosmocore
+    libosmo-netif
+  ];
+
+  enableParallelBuilding = true;
+
+  meta = with lib; {
+    description = "SCCP + SIGTRAN (SUA/M3UA) libraries as well as OsmoSTP";
+    homepage = "https://osmocom.org/projects/libosmo-sccp";
+    license = licenses.gpl2Plus;
+    platforms = platforms.linux;
+    maintainers = with maintainers; [ janik ];
+  };
+}
diff --git a/pkgs/servers/osmocom/libosmoabis/default.nix b/pkgs/servers/osmocom/libosmoabis/default.nix
new file mode 100644
index 000000000000..1f55017d1892
--- /dev/null
+++ b/pkgs/servers/osmocom/libosmoabis/default.nix
@@ -0,0 +1,48 @@
+{ lib
+, stdenv
+, autoreconfHook
+, fetchFromGitHub
+, pkg-config
+, libosmocore
+, ortp
+, bctoolbox
+}:
+
+stdenv.mkDerivation rec {
+  pname = "libosmoabis";
+  version = "1.4.0";
+
+  src = fetchFromGitHub {
+    owner = "osmocom";
+    repo = "libosmo-abis";
+    rev = version;
+    hash = "sha256-RKJis0Ur3Y0LximNQl+hm6GENg8t2E1S++2c+63D2pQ=";
+  };
+
+  configureFlags = [ "enable_dahdi=false" ];
+
+  postPatch = ''
+    echo "${version}" > .tarball-version
+  '';
+
+  nativeBuildInputs = [
+    autoreconfHook
+    pkg-config
+  ];
+
+  buildInputs = [
+    libosmocore
+    ortp
+    bctoolbox
+  ];
+
+  enableParallelBuilding = true;
+
+  meta = with lib; {
+    description = "Osmocom Abis interface library";
+    homepage = "https://github.com/osmocom/libosmo-abis";
+    license = licenses.gpl3Only;
+    platforms = platforms.linux;
+    maintainers = with maintainers; [ janik ];
+  };
+}
diff --git a/pkgs/applications/misc/libosmocore/default.nix b/pkgs/servers/osmocom/libosmocore/default.nix
similarity index 91%
rename from pkgs/applications/misc/libosmocore/default.nix
rename to pkgs/servers/osmocom/libosmocore/default.nix
index 5f9ce0a9a647..843f6786464c 100644
--- a/pkgs/applications/misc/libosmocore/default.nix
+++ b/pkgs/servers/osmocom/libosmocore/default.nix
@@ -1,4 +1,5 @@
-{ lib, stdenv
+{ lib
+, stdenv
 , autoreconfHook
 , fetchFromGitHub
 , gnutls
@@ -51,6 +52,9 @@ stdenv.mkDerivation rec {
     homepage = "https://github.com/osmocom/libosmocore";
     license = licenses.gpl2Plus;
     platforms = platforms.linux;
-    maintainers = with maintainers; [ mog ];
+    maintainers = with maintainers; [
+      mog
+      janik
+    ];
   };
 }
diff --git a/pkgs/servers/osmocom/osmo-bsc/default.nix b/pkgs/servers/osmocom/osmo-bsc/default.nix
new file mode 100644
index 000000000000..fd10dd5f20d1
--- /dev/null
+++ b/pkgs/servers/osmocom/osmo-bsc/default.nix
@@ -0,0 +1,55 @@
+{ lib
+, stdenv
+, fetchFromGitHub
+, autoreconfHook
+, pkg-config
+, libosmocore
+, libosmoabis
+, libosmo-netif
+, libosmo-sccp
+, osmo-mgw
+}:
+
+let
+  inherit (stdenv) isLinux;
+in
+
+stdenv.mkDerivation rec {
+  pname = "osmo-bsc";
+  version = "1.9.1";
+
+  src = fetchFromGitHub {
+    owner = "osmocom";
+    repo = "osmo-bsc";
+    rev = "${version}";
+    hash = "sha256-oCHEWQjHG2JZdoisROukwRbpQq2cNAgC+1yOqsgx+As=";
+  };
+
+  postPatch = ''
+    echo "${version}" > .tarball-version
+  '';
+
+
+  nativeBuildInputs = [
+    autoreconfHook
+    pkg-config
+  ];
+
+  buildInputs = [
+    libosmocore
+    libosmoabis
+    libosmo-netif
+    libosmo-sccp
+    osmo-mgw
+  ];
+
+  enableParallelBuilding = true;
+
+  meta = {
+    description = "GSM Base Station Controller";
+    homepage = "https://projects.osmocom.org/projects/osmobsc";
+    license = lib.licenses.agpl3Plus;
+    maintainers = with lib.maintainers; [ janik ];
+    platforms = lib.platforms.linux;
+  };
+}
diff --git a/pkgs/servers/osmocom/osmo-bts/default.nix b/pkgs/servers/osmocom/osmo-bts/default.nix
new file mode 100644
index 000000000000..c4a10f21abab
--- /dev/null
+++ b/pkgs/servers/osmocom/osmo-bts/default.nix
@@ -0,0 +1,51 @@
+{ lib
+, stdenv
+, fetchFromGitHub
+, autoreconfHook
+, pkg-config
+, libosmocore
+, libosmoabis
+, libosmo-netif
+}:
+
+let
+  inherit (stdenv) isLinux;
+in
+
+stdenv.mkDerivation rec {
+  pname = "osmo-bts";
+  version = "1.6.0";
+
+  src = fetchFromGitHub {
+    owner = "osmocom";
+    repo = "osmo-bts";
+    rev = "${version}";
+    hash = "sha256-RSWXWQn3DAPtThUbthyXrSFSQhHzKaH/m1f6/MCojzM=";
+  };
+
+  postPatch = ''
+    echo "${version}" > .tarball-version
+  '';
+
+
+  nativeBuildInputs = [
+    autoreconfHook
+    pkg-config
+  ];
+
+  buildInputs = [
+    libosmocore
+    libosmoabis
+    libosmo-netif
+  ];
+
+  enableParallelBuilding = true;
+
+  meta = {
+    description = "Osmocom GSM Base Transceiver Station (BTS)";
+    homepage = "https://osmocom.org/projects/osmobts";
+    license = lib.licenses.agpl3Plus;
+    maintainers = with lib.maintainers; [ janik ];
+    platforms = lib.platforms.linux;
+  };
+}
diff --git a/pkgs/servers/osmocom/osmo-ggsn/default.nix b/pkgs/servers/osmocom/osmo-ggsn/default.nix
new file mode 100644
index 000000000000..d65dad1dbb00
--- /dev/null
+++ b/pkgs/servers/osmocom/osmo-ggsn/default.nix
@@ -0,0 +1,47 @@
+{ lib
+, stdenv
+, fetchFromGitHub
+, autoreconfHook
+, pkg-config
+, libosmocore
+}:
+
+let
+  inherit (stdenv) isLinux;
+in
+
+stdenv.mkDerivation rec {
+  pname = "osmo-ggsn";
+  version = "1.10.1";
+
+  src = fetchFromGitHub {
+    owner = "osmocom";
+    repo = "osmo-ggsn";
+    rev = "${version}";
+    hash = "sha256-j7Szh6lDZY9ji9VAdE3D73R/WBPDo85nVB8hr4HzO7M=";
+  };
+
+  postPatch = ''
+    echo "${version}" > .tarball-version
+  '';
+
+
+  nativeBuildInputs = [
+    autoreconfHook
+    pkg-config
+  ];
+
+  buildInputs = [
+    libosmocore
+  ];
+
+  enableParallelBuilding = true;
+
+  meta = {
+    description = "Osmocom Gateway GPRS Support Node (GGSN), successor of OpenGGSN";
+    homepage = "https://osmocom.org/projects/openggsn";
+    license = lib.licenses.gpl2Only;
+    maintainers = with lib.maintainers; [ janik ];
+    platforms = lib.platforms.linux;
+  };
+}
diff --git a/pkgs/servers/osmocom/osmo-hlr/default.nix b/pkgs/servers/osmocom/osmo-hlr/default.nix
new file mode 100644
index 000000000000..8ecb1ad3780d
--- /dev/null
+++ b/pkgs/servers/osmocom/osmo-hlr/default.nix
@@ -0,0 +1,51 @@
+{ lib
+, stdenv
+, fetchFromGitHub
+, autoreconfHook
+, pkg-config
+, libosmocore
+, libosmoabis
+, sqlite
+}:
+
+let
+  inherit (stdenv) isLinux;
+in
+
+stdenv.mkDerivation rec {
+  pname = "osmo-hlr";
+  version = "1.6.1";
+
+  src = fetchFromGitHub {
+    owner = "osmocom";
+    repo = "osmo-hlr";
+    rev = "${version}";
+    hash = "sha256-lFIYoDaJbVcC0A0TukRO9KDTVx31WqPPz/Z3wACJBp0=";
+  };
+
+  postPatch = ''
+    echo "${version}" > .tarball-version
+  '';
+
+
+  nativeBuildInputs = [
+    autoreconfHook
+    pkg-config
+  ];
+
+  buildInputs = [
+    libosmocore
+    libosmoabis
+    sqlite
+  ];
+
+  enableParallelBuilding = true;
+
+  meta = {
+    description = "Osmocom implementation of 3GPP Home Location Registr (HLR)";
+    homepage = "https://osmocom.org/projects/osmo-hlr";
+    license = lib.licenses.agpl3Plus;
+    maintainers = with lib.maintainers; [ janik ];
+    platforms = lib.platforms.linux;
+  };
+}
diff --git a/pkgs/servers/osmocom/osmo-hnbgw/default.nix b/pkgs/servers/osmocom/osmo-hnbgw/default.nix
new file mode 100644
index 000000000000..ecadc543c566
--- /dev/null
+++ b/pkgs/servers/osmocom/osmo-hnbgw/default.nix
@@ -0,0 +1,59 @@
+{ lib
+, stdenv
+, fetchFromGitHub
+, autoreconfHook
+, pkg-config
+, libosmocore
+, lksctp-tools
+, libosmo-netif
+, libasn1c
+, libosmo-sccp
+, osmo-iuh
+, osmo-mgw
+}:
+
+let
+  inherit (stdenv) isLinux;
+in
+
+stdenv.mkDerivation rec {
+  pname = "osmo-hnbgw";
+  version = "1.4.0";
+
+  src = fetchFromGitHub {
+    owner = "osmocom";
+    repo = "osmo-hnbgw";
+    rev = "${version}";
+    hash = "sha256-OWCAiU4mK57e5gm6QOovwmoFAaCG1d8ZYpkP4isIqvI=";
+  };
+
+  postPatch = ''
+    echo "${version}" > .tarball-version
+  '';
+
+
+  nativeBuildInputs = [
+    autoreconfHook
+    pkg-config
+  ];
+
+  buildInputs = [
+    libosmocore
+    lksctp-tools
+    libosmo-netif
+    libasn1c
+    libosmo-sccp
+    osmo-iuh
+    osmo-mgw
+  ];
+
+  enableParallelBuilding = true;
+
+  meta = {
+    description = "Osmocom Home NodeB Gateway, for attaching femtocells to the 3G CN (OsmoMSC, OsmoSGSN)";
+    homepage = "https://osmocom.org/projects/osmohnbgw";
+    license = lib.licenses.agpl3Plus;
+    maintainers = with lib.maintainers; [ janik ];
+    platforms = lib.platforms.linux;
+  };
+}
diff --git a/pkgs/servers/osmocom/osmo-hnodeb/default.nix b/pkgs/servers/osmocom/osmo-hnodeb/default.nix
new file mode 100644
index 000000000000..cf5c715ccddf
--- /dev/null
+++ b/pkgs/servers/osmocom/osmo-hnodeb/default.nix
@@ -0,0 +1,59 @@
+{ lib
+, stdenv
+, fetchFromGitHub
+, autoreconfHook
+, pkg-config
+, libosmocore
+, lksctp-tools
+, libasn1c
+, libosmoabis
+, libosmo-netif
+, libosmo-sccp
+, osmo-iuh
+}:
+
+let
+  inherit (stdenv) isLinux;
+in
+
+stdenv.mkDerivation rec {
+  pname = "osmo-hnodeb";
+  version = "0.1.1";
+
+  src = fetchFromGitHub {
+    owner = "osmocom";
+    repo = "osmo-hnodeb";
+    rev = "${version}";
+    hash = "sha256-Izivyw2HqRmrM68ehGqlIkJeuZ986d1WQ0yr6NWWTdA=";
+  };
+
+  postPatch = ''
+    echo "${version}" > .tarball-version
+  '';
+
+
+  nativeBuildInputs = [
+    autoreconfHook
+    pkg-config
+  ];
+
+  buildInputs = [
+    libosmocore
+    lksctp-tools
+    libasn1c
+    libosmoabis
+    libosmo-netif
+    libosmo-sccp
+    osmo-iuh
+  ];
+
+  enableParallelBuilding = true;
+
+  meta = {
+    description = "(upper layers of) HomeNodeB";
+    homepage = "https://osmocom.org/projects/osmo-hnodeb";
+    license = lib.licenses.agpl3Plus;
+    maintainers = with lib.maintainers; [ janik ];
+    platforms = lib.platforms.linux;
+  };
+}
diff --git a/pkgs/servers/osmocom/osmo-iuh/default.nix b/pkgs/servers/osmocom/osmo-iuh/default.nix
new file mode 100644
index 000000000000..8f38383196e6
--- /dev/null
+++ b/pkgs/servers/osmocom/osmo-iuh/default.nix
@@ -0,0 +1,62 @@
+{ lib
+, stdenv
+, fetchFromGitHub
+, autoreconfHook
+, pkg-config
+, libosmocore
+, lksctp-tools
+, libosmo-netif
+, libosmo-sccp
+, libasn1c
+, python3
+}:
+
+let
+  inherit (stdenv) isLinux;
+in
+
+stdenv.mkDerivation rec {
+  pname = "osmo-iuh";
+  version = "1.4.0";
+
+  src = fetchFromGitHub {
+    owner = "osmocom";
+    repo = "osmo-iuh";
+    rev = "${version}";
+    hash = "sha256-AwLLfG+5JgvFSBddzyUQdPDFZOX1uQyDSyr4O/wTlgs=";
+  };
+
+  prePatch = ''
+    substituteInPlace src/../asn1/utils/asn1tostruct.py  \
+      --replace '#!/usr/bin/env python3' '#!${python3}/bin/python3'
+  '';
+
+  postPatch = ''
+    echo "${version}" > .tarball-version
+  '';
+
+
+  nativeBuildInputs = [
+    autoreconfHook
+    pkg-config
+    python3
+  ];
+
+  buildInputs = [
+    libosmocore
+    lksctp-tools
+    libosmo-netif
+    libosmo-sccp
+    libasn1c
+  ];
+
+  enableParallelBuilding = true;
+
+  meta = {
+    description = "Osmocom IuH library";
+    homepage = "https://osmocom.org/projects/osmohnbgw/wiki";
+    license = lib.licenses.agpl3Plus;
+    maintainers = with lib.maintainers; [ janik ];
+    platforms = lib.platforms.linux;
+  };
+}
diff --git a/pkgs/servers/osmocom/osmo-mgw/default.nix b/pkgs/servers/osmocom/osmo-mgw/default.nix
new file mode 100644
index 000000000000..68939011b98c
--- /dev/null
+++ b/pkgs/servers/osmocom/osmo-mgw/default.nix
@@ -0,0 +1,51 @@
+{ lib
+, stdenv
+, fetchFromGitHub
+, autoreconfHook
+, pkg-config
+, libosmocore
+, libosmo-netif
+, libosmoabis
+}:
+
+let
+  inherit (stdenv) isLinux;
+in
+
+stdenv.mkDerivation rec {
+  pname = "osmo-mgw";
+  version = "1.11.1";
+
+  src = fetchFromGitHub {
+    owner = "osmocom";
+    repo = "osmo-mgw";
+    rev = "${version}";
+    hash = "sha256-l7JBAigcqQdb1IIz2iuetK8EKVkevtei7hB98g4a79Y=";
+  };
+
+  postPatch = ''
+    echo "${version}" > .tarball-version
+  '';
+
+
+  nativeBuildInputs = [
+    autoreconfHook
+    pkg-config
+  ];
+
+  buildInputs = [
+    libosmocore
+    libosmo-netif
+    libosmoabis
+  ];
+
+  enableParallelBuilding = true;
+
+  meta = {
+    description = "Osmocom Media Gateway (MGW). speaks RTP and E1 as well as MGCP";
+    homepage = "https://osmocom.org/projects/osmo-mgw";
+    license = lib.licenses.agpl3Plus;
+    maintainers = with lib.maintainers; [ janik ];
+    platforms = lib.platforms.linux;
+  };
+}
diff --git a/pkgs/servers/osmocom/osmo-msc/default.nix b/pkgs/servers/osmocom/osmo-msc/default.nix
new file mode 100644
index 000000000000..fdb6d35bcb79
--- /dev/null
+++ b/pkgs/servers/osmocom/osmo-msc/default.nix
@@ -0,0 +1,61 @@
+{ lib
+, stdenv
+, fetchFromGitHub
+, autoreconfHook
+, pkg-config
+, libosmocore
+, sqlite
+, libosmoabis
+, libosmo-netif
+, libosmo-sccp
+, osmo-mgw
+, osmo-hlr
+, lksctp-tools
+}:
+
+let
+  inherit (stdenv) isLinux;
+in
+
+stdenv.mkDerivation rec {
+  pname = "osmo-msc";
+  version = "1.10.0";
+
+  src = fetchFromGitHub {
+    owner = "osmocom";
+    repo = "osmo-msc";
+    rev = "${version}";
+    hash = "sha256-CVyjSo+QFDLcow6XAcudhQ7LOnbCSHeYVTzTMh7KEwg=";
+  };
+
+  postPatch = ''
+    echo "${version}" > .tarball-version
+  '';
+
+
+  nativeBuildInputs = [
+    autoreconfHook
+    pkg-config
+  ];
+
+  buildInputs = [
+    libosmocore
+    sqlite
+    libosmoabis
+    libosmo-netif
+    libosmo-sccp
+    osmo-mgw
+    osmo-hlr
+    lksctp-tools
+  ];
+
+  enableParallelBuilding = true;
+
+  meta = {
+    description = "Osmocom implementation of 3GPP Mobile Swtiching Centre (MSC)";
+    homepage = "https://osmocom.org/projects/osmomsc/wiki";
+    license = lib.licenses.agpl3Only;
+    maintainers = with lib.maintainers; [ janik ];
+    platforms = lib.platforms.linux;
+  };
+}
diff --git a/pkgs/servers/osmocom/osmo-pcu/default.nix b/pkgs/servers/osmocom/osmo-pcu/default.nix
new file mode 100644
index 000000000000..99495d0dd1e8
--- /dev/null
+++ b/pkgs/servers/osmocom/osmo-pcu/default.nix
@@ -0,0 +1,48 @@
+{ lib
+, stdenv
+, fetchFromGitHub
+, autoreconfHook
+, pkg-config
+, libosmocore
+,
+}:
+
+let
+  inherit (stdenv) isLinux;
+in
+
+stdenv.mkDerivation rec {
+  pname = "osmo-pcu";
+  version = "1.2.0";
+
+  src = fetchFromGitHub {
+    owner = "osmocom";
+    repo = "osmo-pcu";
+    rev = "${version}";
+    hash = "sha256-wZLTDvqVxP0FXV0VQH5KuigwbgzBipwL5JkTDp5Mzrc=";
+  };
+
+  postPatch = ''
+    echo "${version}" > .tarball-version
+  '';
+
+
+  nativeBuildInputs = [
+    autoreconfHook
+    pkg-config
+  ];
+
+  buildInputs = [
+    libosmocore
+  ];
+
+  enableParallelBuilding = true;
+
+  meta = {
+    description = "Osmocom Packet control Unit (PCU): Network-side GPRS (RLC/MAC); BTS- or BSC-colocated";
+    homepage = "https://osmocom.org/projects/osmopcu";
+    license = lib.licenses.gpl2Only;
+    maintainers = with lib.maintainers; [ janik ];
+    platforms = lib.platforms.linux;
+  };
+}
diff --git a/pkgs/servers/osmocom/osmo-sgsn/default.nix b/pkgs/servers/osmocom/osmo-sgsn/default.nix
new file mode 100644
index 000000000000..89afa75209b6
--- /dev/null
+++ b/pkgs/servers/osmocom/osmo-sgsn/default.nix
@@ -0,0 +1,57 @@
+{ lib
+, stdenv
+, fetchFromGitHub
+, autoreconfHook
+, pkg-config
+, libosmocore
+, libosmoabis
+, libosmo-netif
+, osmo-hlr
+, osmo-ggsn
+, c-ares
+}:
+
+let
+  inherit (stdenv) isLinux;
+in
+
+stdenv.mkDerivation rec {
+  pname = "osmo-ggsn";
+  version = "1.10.0";
+
+  src = fetchFromGitHub {
+    owner = "osmocom";
+    repo = "osmo-sgsn";
+    rev = "${version}";
+    hash = "sha256-tjExV8XigPEZ5gOCEoWfjhtGJVa5Ja3GHnpSovradak=";
+  };
+
+  postPatch = ''
+    echo "${version}" > .tarball-version
+  '';
+
+
+  nativeBuildInputs = [
+    autoreconfHook
+    pkg-config
+  ];
+
+  buildInputs = [
+    libosmocore
+    libosmoabis
+    libosmo-netif
+    osmo-hlr
+    osmo-ggsn
+    c-ares
+  ];
+
+  enableParallelBuilding = true;
+
+  meta = {
+    description = "Osmocom implementation of the 3GPP Serving GPRS Support Node (SGSN)";
+    homepage = "https://osmocom.org/projects/osmosgsn";
+    license = lib.licenses.agpl3Plus;
+    maintainers = with lib.maintainers; [ janik ];
+    platforms = lib.platforms.linux;
+  };
+}
diff --git a/pkgs/servers/osmocom/osmo-sip-connector/default.nix b/pkgs/servers/osmocom/osmo-sip-connector/default.nix
new file mode 100644
index 000000000000..10546e95328d
--- /dev/null
+++ b/pkgs/servers/osmocom/osmo-sip-connector/default.nix
@@ -0,0 +1,51 @@
+{ lib
+, stdenv
+, fetchFromGitHub
+, autoreconfHook
+, pkg-config
+, libosmocore
+, sofia_sip
+, glib
+}:
+
+let
+  inherit (stdenv) isLinux;
+in
+
+stdenv.mkDerivation rec {
+  pname = "osmo-sip-connector";
+  version = "1.6.2";
+
+  src = fetchFromGitHub {
+    owner = "osmocom";
+    repo = "osmo-sip-connector";
+    rev = "${version}";
+    hash = "sha256-vsPtNeh6Yi5fQb+E90OF4/Hnjl9T5nMf9EMBhzpIA2I=";
+  };
+
+  postPatch = ''
+    echo "${version}" > .tarball-version
+  '';
+
+
+  nativeBuildInputs = [
+    autoreconfHook
+    pkg-config
+  ];
+
+  buildInputs = [
+    libosmocore
+    sofia_sip
+    glib
+  ];
+
+  enableParallelBuilding = true;
+
+  meta = {
+    description = "This implements an interface between the MNCC (Mobile Network Call Control) interface of OsmoMSC (and also previously OsmoNITB) and SIP";
+    homepage = "https://osmocom.org/projects/osmo-sip-conector";
+    license = lib.licenses.agpl3Plus;
+    maintainers = with lib.maintainers; [ janik ];
+    platforms = lib.platforms.linux;
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index f4c862b682e6..70d90c1358d5 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -21331,6 +21331,8 @@ with pkgs;
 
   libarchive-qt = libsForQt5.callPackage ../development/libraries/libarchive-qt { };
 
+  libasn1c = callPackage ../servers/osmocom/libasn1c/default.nix { };
+
   libasr = callPackage ../development/libraries/libasr { };
 
   libass = callPackage ../development/libraries/libass { };
@@ -22226,7 +22228,13 @@ with pkgs;
 
   libosmium = callPackage ../development/libraries/libosmium { };
 
-  libosmocore = callPackage ../applications/misc/libosmocore { };
+  libosmoabis = callPackage ../servers/osmocom/libosmoabis { };
+
+  libosmocore = callPackage ../servers/osmocom/libosmocore { };
+
+  libosmo-netif = callPackage ../servers/osmocom/libosmo-netif { };
+
+  libosmo-sccp = callPackage ../servers/osmocom/libosmo-sccp { };
 
   libosmo-abis = callPackage ../development/libraries/libosmo-abis { };
 
@@ -33127,6 +33135,30 @@ with pkgs;
 
   osmo = callPackage ../applications/office/osmo { };
 
+  osmo-bsc = callPackage ../servers/osmocom/osmo-bsc { };
+
+  osmo-bts = callPackage ../servers/osmocom/osmo-bts { };
+
+  osmo-ggsn = callPackage ../servers/osmocom/osmo-ggsn { };
+
+  osmo-hlr = callPackage ../servers/osmocom/osmo-hlr { };
+
+  osmo-hnbgw = callPackage ../servers/osmocom/osmo-hnbgw { };
+
+  osmo-hnodeb = callPackage ../servers/osmocom/osmo-hnodeb { };
+
+  osmo-iuh = callPackage ../servers/osmocom/osmo-iuh { };
+
+  osmo-mgw = callPackage ../servers/osmocom/osmo-mgw { };
+
+  osmo-msc = callPackage ../servers/osmocom/osmo-msc { };
+
+  osmo-pcu = callPackage ../servers/osmocom/osmo-pcu { };
+
+  osmo-sgsn = callPackage ../servers/osmocom/osmo-sgsn { };
+
+  osmo-sip-connector = callPackage ../servers/osmocom/osmo-sip-connector { };
+
   osmscout-server = libsForQt5.callPackage ../applications/misc/osmscout-server { };
 
   palemoon = callPackage ../applications/networking/browsers/palemoon { };