How to modify / change the header to change URI and Display Name with an Avaya SBCE (Sigma Script).

Description: This article will show you how to modify / change the header to change URI and Display Name from Anonymous to something else within the Avaya SBCE (Sigma Script).

Steps:

• Build a Sigma Script and apply it to remove or modify the header. With some SIP carriers including VI, calls from 'Anonymous' will be rejected.
• See example below. Highlighted fields would need to be modified. This script will change the URI and Display Name presented on the SIP INVITE leaving the ASBCE towards the SIP provider.
  
  

act on request where %DIRECTION="OUTBOUND" and %ENTRY_POINT="POST_ROUTING"
{
     if (%HEADERS["From"][1].URI.USER = "Anonymous") then
     {
    %HEADERS["From"][1].URI.USER="9786359700";
    %HEADERS["P-Asserted-Identity"][1].URI.USER="9786359700";
    %HEADERS["Diversion"][1].URI.USER="9786359700";
    %HEADERS["Contact"][1].URI.USER="9786359700";
   }
     if (%HEADERS["From"][1].DISPLAY_NAME = "Anonymous") then
     {
     %HEADERS["From"[1].DISPLAY_NAME = "Company Name";
     }
   }
}

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