Hello, we are currently replacing an SL1 that was previously linked via tie lines to a CS1000 and using 4-digit dialing between the two. Each location has it's own set of PRI's. We have been able to reestablish the 4 digit dialing between locations. My issue is that we have a handfull of DID's that land on the CS1000 while the extensions are at the new Mitel location. We can reach the extensions via 4 digits from the CS100 location, but cannot complete the call when dialing the 7 digit DID. I have fumbled around the past few years doing basic adds moves and changes, but have never had to reconfigure any routes. Any guidance would be greatly appreciated. Thanks!