Hi all, I want to be able to parse Accept-Contact header. *I have this configuration just to log header:* <condition field="${sip_h_Accept-Contact}" expression="(.+)" break="never"> <action application="log" data="INFO LOG: parse accept: ${sip_h_Accept-Contact}" /> </condition> *my logs:* Dialplan: sofia/INTERNAL/427842085@10.88.83.7 Regex (PASS) [variables] ${sip_h_Accept-Contact}() =~ /(.*)/ break=never Dialplan: sofia/INTERNAL/427842085@10.88.83.7 Action log(parse accept: ${sip_h_Accept-Contact}) 2020-09-21 17:34:09.726180 [NOTICE] switch_core_session.c:3017 Execute [depth=2] log(parse accept: ${sip_h_Accept-Contact}) EXECUTE [depth=2] sofia/INTERNAL/427842085@10.88.83.7 log(parse accept: ) sip_h_Accept_Contact variable is empty. *header received:* Accept-Contact: *;generic.test_id="test" is it possible to parse this header ? Do you have an idea about that ? thanks in advance