Deleting oli from PAI header

i am trying to remove ;oli=0  from the PAI  header. What is wrong with my approach ?  Am not matching oli.

 

sip-manipulation
        name                           wifi
        description                   
        split-headers                 
        join-headers                  
        header-rule
                name                           checkrequri
                header-name                    request-uri
                action                         manipulate
                comparison-type                case-sensitive
                msg-type                       request
                methods                        INVITE
                match-value                    sip:+1996
                new-value                     
        header-rule
                name                           replaceto
                header-name                    TO
                action                         manipulate
                comparison-type                case-sensitive
                msg-type                       any
                methods                       
                match-value                    <urn:service:sos>
                new-value                     
                element-rule
                        name                           replaceurn
                        parameter-name                
                        type                           header-value
                        action                         replace
                        match-val-type                 any
                        comparison-type                case-sensitive
                        match-value                   
                        new-value                      <sip:911@10.108.71.170:5060>
        header-rule
                name                           paiman
                header-name                    P-Asserted-Identity
                action                         manipulate
                comparison-type                pattern-rule
                msg-type                       any
                methods                       
                match-value                    ^<tel:
                new-value                     
                element-rule
                        name                           paivaluec
                        parameter-name                
                        type                           uri-user
                        action                         replace
                        match-val-type                 any
                        comparison-type                pattern-rule