Yes it is but I am looking for a way to change it within FS, I can not configure the phone.
<action application="set" data="effective_caller_id_name=Mehmet1"/>
<action application="set" data="origination_callee_id_name=Mehmet2"/>
<action application="set" data="origination_callee_id_number=Mehmet3"/>
<action application="set" data="caller_id_name=Mehmet4"/>
<action application="set" data="caller_id_number=Mehmet5"/>
<action application="set" data="effective_caller_id_number=Mehmet6"/>
<X-PRE-PROCESS cmd="set" data="effective_caller_id_name=MMehmet1"/>
<X-PRE-PROCESS cmd="set" data="origination_callee_id_name=MMehmet2"/>
<X-PRE-PROCESS cmd="set" data="origination_callee_id_number=MMehmet3"/>
<X-PRE-PROCESS cmd="set" data="caller_id_name=MMehmet4"/>
<X-PRE-PROCESS cmd="set" data="caller_id_number==MMehmet5"/>
<X-PRE-PROCESS cmd="set" data="effective_caller_id_number=MMehmet6"/>