Checksum: 40187 Path: utzoo!utgpu!taras From: taras@gpu.utcs.toronto.edu (T. Pryjma) Date: Fri, 18-Dec-87 12:24:20 EST Message-ID: <1987Dec18.122420.24688@gpu.utcs.toronto.edu> Organization: University of Toronto Computing Services Newsgroups: comp.dcom.telecom Subject: Re: DID (was no ringing) References: <62243006061@minnie.UUCP> <1764@netsys.UUCP> Reply-To: taras@gpu.utcs.UUCP (T. Pryjma) In article <1764@netsys.UUCP> harvard!netsys!wb8foz@EDDIE.MIT.EDU (David Lesher,Contributor) writes: # # >It sounds as if you are describing what's called a DID (Direct Inward # >Dialing) installation. This is an arrangement whereby the Central # >Office equipment acts in effect as a tandem, directly signaling the # >subscriber's PBX to connect the call to one of its extensions. # # BTW is it still true that the BOC will only xmit that data to you via # PULSE? (10pps) That was, I believe, the reason why it takes so long for # DID calls to complete. Now, of course, if you are the BOC # offering CENTREX, it might mean that you have an advantage..... # Well, Bell Canada does presently have customers who are connected to the outside with T1 lines from their PBX to the CO. Some PBX's are signalled by tone, there is no real reason that the CO should insist upon digipulse signalling, except age of equipment. BTW, CENTREX is not a PBX service. It is a PBX lookalike service that is run on the CO exchange and run very tightly by the local telephone company. Infact, in previous postings people have posted articles on residential CENTREX groups of two phones or more that are available in some areas. Why you would want to put 2 phones on CENTREX is beyond me however:-). -- Taras Pryjma uucp: taras@gpu.utcs bitnet: tpryjma@utoronto Bell: +1 (416) 536-2821 Fear is never boring. hmmm. hmmmm. YEEEEEOOOOOOOOWWWWWWW!!!!!!!!!!!!!! Damn those trap doors! Yup. Fear is never boring.