We are considering using IPMA, however the single route point is an issue. We could have Manager's DNs (which can't change) which could be anywhere in the XXXX range, but we already have a route pattern for XXXX which routes non-IP destinations towards the legacy PBX. A RP of XXXX would intercept these calls.
One option is to identify a smaller number of DNs for IPMA use, e.g. 110X and then use translation patterns to map manager's DNs onto these DNs. Would this work, or does the Manager's DN need to be presented to IPMA without translation?