ThoughtPhreaker

Vertical Service Codes without star

11 posts in this topic

So if you've looked around a while, you've probably seen some places that talk about dialing *72 as 72#. During a conversation, a friend on the bridge brought up that you can dial *67 as just 67 and wait on his switch. So whenever I get a chance now, I do check and see whether or not I'm dialing from will actually allow this. As far as I can tell, it seems to be somewhat rare, but also a very workable thing in some places.

So have you ever seen this?

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I get a "the service you're trying to use is not available on this line" recording from my EWSD when I dial 67 and wait.  When I dial 70 and wait, I get the "if you'd like to place a call..." recording

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It's the oldest trick in the book, but you can replace * with 11 (eg. 1167) on most all switches, intended for use with rotary phones.

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Yeah, the topic came up because we were discussing PBXes where you might be relegated to dialing just a couple of digits. The rotary dial stuff sounds good in theory, but if you dial, say, 9+1167, there's a lot of scenarios where that'll be interpreted as 911. A couple years ago, I think the FCC actually asked around to make sure the room phones in hotels would do exactly this.

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I know on the DMS-100 Centrex where I work, you use the vertical service code before dialing 9 for outside line. So it's *67 (or 1167) + 9 + number. Otherwise as TP said it could have been misinterpreted as dialing 911. (Which is why they recently changed it for us to 9+911) 

 

 

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On 05/03/2017 at 2:18 PM, ThoughtPhreaker said:

The rotary dial stuff sounds good in theory, but if you dial, say, 9+1167, there's a lot of scenarios where that'll be interpreted as 911.

Funny you say, I got in a little bit of trouble at a hotel a few years ago for exactly that.

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Posted (edited)

It seems like everyone ends up with a story just like this :X . I really, really wish people would just suck it up, read the "Emergencies - Dial 9+911" printed on every hotel phone ever, and that would just be the end of it.

Edited by ThoughtPhreaker
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I've tested web applications where account verification or event notification is performed with an outgoing SMS or voice call..Sometimes the front-end designers will implement the proper HTML5 regular expression pattern attribute in the input tag (i.e. http://html5pattern.com/Phones). On the other hand, the server-side developers who are coding the components to send the actual DTMF (using the Java Telephony API, for example) rarely perform much validation--if any at all.  Even if they verify that it's a ten digit numeric value, the lack of checking for NANPA format allows entry of star codes using the rotary "11" sequence as a substitute for the asterisk, as some apps compare enough bytes to know an exception needs to be thrown when an actual asterisk is encountered...

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On 3/5/2017 at 7:41 AM, smpl said:

It's the oldest trick in the book, but you can replace * with 11 (eg. 1167) on most all switches, intended for use with rotary phones.

 

Not using Comcast's IP crap!

 

Admittedly, i'm using it as a CO trunk off my Definity but still!

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I wonder what comcast's modem does if I actually try to pulse...

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On 7/25/2017 at 5:52 PM, gewt said:

I wonder what comcast's modem does if I actually try to pulse...

 

Some just deny dial pulse exists and do nothing (like my WOW! service)... Some (like TWC / Spectrum) still have the ability to translate dial pulse / hook-switch dialing.

 

YMMV.

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