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BLF status monitor to get SIP call-id of outgoing leg

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Hello
 
I did some test sniffing (with wireshark) the NOTIFY even received by a CIPC(SIP) configured with BLF for an extension assigned to a CTI Port placing an outgoing call to reach a SIP device connected vis SIP Trunk.
 
BLF status monitor config:
SIP IPC <--BLF DN 4900 status monitor -> CUCM <---> CTI Port DN 4901
 
How outbound call is placed:
CTI Port DN 4901 call to 3357454317 ----> Route Pattern for 3! --> SIP Trunk ---> PSTN GW
 
What I realized is the NOTIFY providing BLF status does not contain the dialog-info I need, and the dialog-info should contain the call-id of the INVITE placed by the CTI Port.
Is there a way to get it?
 
Thanks
Marco
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