Cellular Network Infrastructure

Hello,

I try to build osmo-hlr from source
cd $osmo_src
git clone git://git.osmocom.org/osmo-hlr
cd osmo-hlr
autoreconf -fi
./configure
make -j5
make check
make install
sudo ldconfig

I have following results for my commands:
which osmo-hlr
Result: /usr/local/bin/osmo-hlr

osmo-hlr --version
Result: OsmoHLR version 1.2.0.55-b77d

I started osmo-hlr
systemctl start osmo-hlr

If I want to connect on the hlr by telnet but the connexion refused

I have error message.
root@testbed:~# telnet localhost 4258
Trying 127.0.0.1...
telnet: Unable to connect to remote host: Connection refused
root@testbed:~#

Do I have to be in a folder to run the telnet command? Can I get help pleae?

Thanks.