I've struggled with post normalization in CUSP - specifically 8.5.3 but was able to get some things to work. What I found is that subsequent sequence normalization policies didn't work in version 8.5.3 and nobody from TAC was knowledgeable enough to provide any useful information at the time.  I would assume you upgraded by now but this is an old example of a post normalization setup that worked in 8.5.3: ! A Sample normalization policy to remove a 4 digit prefix of 9000 trigger condition NETWORK-TRIGGER-IN sequence 1 in-network NETWORK01 end sequence end trigger condition ! trigger condition NETWORK-TRIGGER-MID sequence 2 mid-dialog end sequence end trigger condition ! trigger condition NETWORK-TRIGGER-OUT sequence 1 out-network NETWORK01 end sequence end trigger condition policy normalization STRIP_9XXX uri-component update request-uri user ^9000 "" end policy trigger post-normalization sequence 1 policy STRIP_9XXX condition NETWORK-TRIGGER-OUT ... View more