Path: utzoo!utgpu!news-server.csri.toronto.edu!mailrus!accuvax.nwu.edu!nucsrl!telecom-request From: Tom Gray Newsgroups: comp.dcom.telecom Subject: Re: NANP Codes AND I Want to Dial the Area Code on a Local Call Message-ID: <8869@accuvax.nwu.edu> Date: 11 Jun 90 19:50:40 GMT Sender: news@accuvax.nwu.edu Reply-To: Tom Gray Organization: Mitel. Kanata (Ontario). Canada. Lines: 28 Approved: Telecom@eecs.nwu.edu X-Submissions-To: telecom@eecs.nwu.edu X-Administrivia-To: telecom-request@eecs.nwu.edu X-Telecom-Digest: Volume 10, Issue 427, Message 8 of 12 In article <8733@accuvax.nwu.edu> John Slater writes: X-Telecom-Digest: Volume 10, Issue 418, Message 6 of 10 >>In a perfect world I could dial "+44 81 676 XXXX" to reach my number >>in London from *anywhere* in the world, including the UK (where + >>means 010). Similarly it would be nice to be able to dial 011 1 415 >>XXX XXXX to reach San Francisco from anywhere in the US. >>I was originally going to post this with lots of ":-)", but seriously >>though folks, why should it be difficult with modern switches? The main problem with this proposal would be the size of the data base required inside of each switch. Think of the routing problems which would occur when any digit sequence could be used to identify a trunk route. Each switch would be required to maintain the telephone number of all of the subscribers in the world. Even small CDO's would require gigabytes of disk storage. In the SS7 network, translations of 800 numbers is done at a central point called the SCP. This could provide a unique service which could provide a lucrativve source of income for service providers. Instead of vanity licence plates, subscribers could buy vanity telephone numbers. Think of it, vanity numbers could be preceded by a distinguishing code. BE the first one to get a naughty word past the telco censors.