[SR-Users] Carrier IP on softphone call history !!!

[KamDev Essa]

I have a simple call flow for Inbound call going to an extendion
carrier call ===> WITH_ALIASDB ===> extension (on Xlite) 
Works perfectly getting the call.
Issue :   
   - On Xlite I see the call as <TN>@<carrierIP>. I dont want my customers to know what carrier I use and also I want to be in the loop for CDR.
   - Hanging on either phone will not send a BYE to my server. 
How do I get Kamailio to be in the SIP ladder for this call?
KD
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