Hello ,
Our Voice Team is planning for Avaya AEP upgrade
Below is the details from our Voice team
AES version for will remain AES 8.1.3 same after the upgrade .
Question from our Voice team is : Can Pega read a SIP header to extract the caller CTI data that is currently in the UUI field.
Please let us know if you need more information , or have some specific questions.
Ref material followed by our team is below , but we need bit more info .