> > If you still want to allow 7-digit dialing and have a local 88X prefix, > or if your dialplan allows 10-digit calls without a leading 1, then yes, > you'll need a timeout. Or make it 9-988 until they pass another law. >
I think they already did: https://www.fcc.gov/consumers/guides/ten-digit-dialing Relevant excerpt: > If your company uses a PBX or VoIP phone system, you may need to update or > reprogram it for 10-digit dialing. The transition to 10-digit dialing must > be completed by July 15, 2022. > On Mon, Jul 18, 2022 at 2:20 AM Jay Hennigan <[email protected]> wrote: > On 7/17/22 21:19, Hunter Fuller wrote: > > We operate a system with the "dial 9" scheme (apparently "useless" > > according to other posters - a truly insightful attitude that I love > > to see on this list), > > It's not unusual in old-school PBXs and wireline POTS where digits are > processed serially. With cell phones dialing is en-banc with a SEND > button so digit patterns no longer need to be unique. See note on > en-banc dialing below. > > > so I can say that the expectation definitely is > > NOT for people to dial 9911. In fact, there is a whole law about it, > > which, like many, is written in blood: > > https://www.fcc.gov/news-events/podcast/personal-story-behind-karis-law > > This did take some special programming, however. The leading 9 is a > trunk access code and should return a second (often different sounding) > dial tone. The law to which you refer is because of PBXs that weren't > specially programmed to re-insert the stripped "9" and send the call on > its way. The original expectation was "Seize an outside line (by dialing > 9) wait for dial tone, dial 9-1-1." > > When I was programming Mitel PBXs back in the day, I ensured that both > 9-11 and 9-911 would get routed to 9-1-1 regardless. > > > The difference is, if someone picks up a phone and dials 911, they > > want 911. They don't want an "outside line" so that they can dial a > > NANP 10-digit number beginning in 11, because no such number exists. > > The problem is, such numbers DO exist that begin with 88, so, we are > > in a bit of a pickle there. It seems the only solution is to do a > > timeout... yeesh. (Unless I'm missing something.) > > Kinda, sorta. 7-digit local dialing is supposed to have been phased out, > with all NANP numbers represented as 1+NPA-NXX-XXXX. > > This means that after your trunk access 9, you should expect a 1 > (followed by ten digits for a regular phone number), a 0 for operator or > 011 international, or a three-digit code starting with 2 or 9 that until > this week always ended in 11. > > > Dialing 911 directly (not 9911, but just 911) has always worked here, > > long before Kari's Law, and it works without delay, as it should. I'd > > love to make 988 work the same way but I'm just not sure how to > > accomplish that. > > Program 88 as a sequence to re-insert the stripped 9 and send > immediately on trunks accessed by a 9, just like you do with 11. > > If you still want to allow 7-digit dialing and have a local 88X prefix, > or if your dialplan allows 10-digit calls without a leading 1, then yes, > you'll need a timeout. Or make it 9-988 until they pass another law. > > Note: In fact, en-banc cell dialing broke a few advertisements where a > word was spelled longer than 7 digits. For example, "Dial > 1-800-HARDWARE" worked fine from a landline or (with prepended 9) from a > PBX. As soon as the digits 1-800-427-3927 were dialed, the call would > complete. With a cell phone, however, the number sent is 1-800-427-39273 > which doesn't match a valid number and the call would be rejected. Some > cellular carriers have worked around the issue and truncate long strings > to match the NANP. > > -- > Jay Hennigan - [email protected] > Network Engineering - CCIE #7880 > 503 897-8550 - WB6RDV > _______________________________________________ > VoiceOps mailing list > [email protected] > https://puck.nether.net/mailman/listinfo/voiceops >
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