Setup voicemail for multiple countries

Hi all,

We are using Exchange 2013 (both roles installed on one server) in high availability mode.

We also have Lync server 2013 in high availability mode.We have only 1 pool and everyone from each country is in there.We have 4 sip trunks in different countries,so far only 1 country has option to Call in (via mobile).

We tried to setup for Germany,but the Greetings are in English,they wish it in German.When they Call voicemail number that is defined in UM dial plan,they get error number not in use.

What is correct step for this setup (and rest of other countries)?

Thanks!

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