two sentence as following is NOT work. why? 

<action application="set" data="origination_callee_id_name=${user_data(${dialed_extension}@${domain_name} var effective_caller_id_name)}}"/>

<action application="bridge" data="user/${dialed_extension}@${domain_name}"/>

 

one sentence as following is work.

<action application="bridge" data="{origination_callee_id_name=${user_data(${dialed_extension}@${domain_name} var effective_caller_id_name)}}user/${dialed_extension}@${domain_name}"/>

 

2. During the ring, it's still showing the number, NOT name. During answering, it's showing the name. I hope the name is showed during ring. How to do?

 

Thanks!