oozenoz

Ouch - overlaps in dialing plans are a real bugger, especially when your DIDs overlap on networked systems (I usuall suggest 5-digit dialing plans globally for those sort of occasions as it gives you more flexibility)

In your type of case, though, I prefer simply expanding the number of dialed digits. Users are pretty willing to understand and accept dialing a trunk access code - one or two digits, then the extension. Or you could force them to dial the entire international number, but you set up your ARS to remove any digits prior to the last 4, and route the call over your VoIP trunks. (ARS would also allow you to trunk the call via PSTN in the event your VoIP trunks ever went OOS).

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- calvin