Update README.md

- Clone the ETSI Emergency Communications project into $HOME/dev folder

```sh

$ git clone --recurse-submodules --branch ttf_t009 https://forge.etsi.org/rep/emtel/NG112.git ./TTF009_Ng112

$ cd /home/etsi/dev/TTF009_Ng112/ttcn/LibIts

rm -fr t3q

cd ttcn && rm -fr Common

$ git clone --recurse-submodules --branch devel https://forge.etsi.org/rep/emtel/NG112.git ./NG112

$ cd /home/etsi/dev/NG112/titan-test-system-framework

git checkout devel

```

- Apply patches

```sh

$ cd /home/etsi/dev/TTF009_Ng112

$ cd /home/etsi/dev/NG112

$ cp ./ttcn/patch_lib_common_titan/module.mk ./ttcn/LibCommon/

$ cp ./ttcn/patch_lib_common_titan/*.ttcn ./ttcn/LibCommon/

$ cp ./ttcn/patch_lib_http/*.ttcn ./ttcn/LibIts/ttcn/Http/

$ cp ./ttcn/patch_ims_titan/*.ttcn ./ttcn/LibIms/ttcn/

$ cp ./ttcn/patch_ims_titan/module.mk ./ttcn/LibIms/

$ cp ./ttcn/patch_sip_titan/*.ttcn ./ttcn/LibSip/ttcn/

$ cp ./ttcn/patch_sip_titan/module.mk ./ttcn/LibSip/

$ cp  ./ttcn/patch_lib_its/module.mk ./ttcn/LibIts/

```

- Update your default environment with the content of the script $HOME/dev/TTF009_Ng112/scripts/devenv.bash.ubuntu

- Update your default environment with the content of the script $HOME/dev/NG112/scripts/devenv.bash.ubuntu

- Switch to the next clause (Usage)

- Start eclipse using a new workspace, (e.g. with the name workspace_titan)

- Download and follow the steps to install Eclipse plugins for TITAN, accessible [here]{https://www.eclipse.org/downloads/download.php?file=/titan/Eclipse_installationguide.pdf}

- Open the workspace_titan

- Create a new TITAN project (e.g. TTF009_Ng112)

- Create a new TITAN project (e.g. NG112)

- Import the .tpd file located at the root level of the project

Procedure in TITAN command line:

- Open several SSH session (PuTTY...)

- Change to the directory ~/dev/TTF009_Ng112/

- Change to the directory ~/dev/NG112/

- Build the test suite you want to exectue (e.g. LIS test suite)

```sh

$ cd ~/dev/TTF009_Ng112/

$ cd ~/dev/NG112/

$ export ATS=AtsLIS

$ make

...

- To run the test suitem, execute the following command:

```sh

$ cd ~/dev/TTF009_Ng112/scripts

$ cd ~/dev/NG112/scripts

$ ./run-all.bash

...

```