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ThoughtPhreaker

1AESS Numbers

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After scanning a good amount of numbers in a Maryland 1A, I've discovered something odd. Most numbers, even subscriber numbers, will start ringing without the familiar click before the ringing. In fact, the only numbers that make any sort of relay click are the numbers leading to intercept, regardless of exchange. Having heard this ubiquitous intercept system many times before, I can safely say that it will not make any noises whatsoever before an intercept report on a fully digital system. Here are a few examples.

410-362-9973 - Sweep tone. Broken?

410-362-9997 - Trunk noise test

410-362-9979 - Disconnected number

410-362-9978 - Not In Service number

Does anybody have any ideas as to what could be happening down here? My guess is that they're in the process of phasing out the 1A. I'll post the rest of the results of my scan after I get back from a family trip to North Carolina.

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They could be using some sort of add-on intercept machine that has an audible relay in it. Could always call 'em up and ask them.

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After scanning a good amount of numbers in a Maryland 1A, I've discovered something odd.

*Awww!* From the topic title I thought you'd found a dialup or PAD which gave you access to a 1AESS I/O terminal. :( You disappoint me, Mr Bond...

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Strangely enough, I called again, this time from the DMS-100 serving my house, as I was calling from a 5ESS beforehand. This time, I called a few numbers, all of them giving the familiar click before they ring. I'm guessing it has to do with the time your end office lets you hear what's happening on the outgoing trunk. For those of you served out of an office that doesn't let you hear the relays, I recommend going out to a payphone or getting a calling card served from a DMS-100.

When I get through copying them from my minidisk, I'll post a comparison of the two switches making calls to the 1A office in Odessa, Texas, both from the same phone using the same recording method.

The various recordings scattered throughout thus exchange are announced by various people. I believe them to be "Cornbreath", Pat Trumbull and a few switchmen.

9900 - NIS

9901 - Modem

9902 - Ringout

9903 - "Hello. I'm SSCU. Your identification, please"

9904 - Ringout

9905 - Ringout

9906 - Ringout

9907 - "Hello, I'm SSCU. Your identification, please"

9908 - Ringout

9909 - Ringout

9910 - CBCAD

9911 - Ringout

9912 - Silent Answer

9913 - Silent Answer

9914 - Busy

9915 - Ringout

9916 - Ringout

9917 - Ringout

9918 - CBCAD, five digit codes may have changed.

9919 - Ringout

9920 - Silent Answer

9921 - Silent Line

9922 - Ringout

9923 - Ringout

9924 - Carrier Access Code required

9925 - All Circuits Busy

9926 - "Forty Three, Channel zero"

9927 - Silent Termination

9928 - Ringout

9929 - Ringout

9930 - "950 digits" recording

9931 - Silence

9932 - "Digits 950 not necessary" recording

9933 - Ringout

9934 - Ringout

9935 - Ringout

9936 - Ringout

9937 - The code you have dialed is not working

9938 - Three digit areacode plus number is required for all numbers in Maryland

9939 - "Cannot process custom calling request" recording

9940 - Reorder

9941 - "Reciever off hook" recording

9942 - "Dialing one is not necessary" recording

9943 - "Call did not go through" recording

9944 - "Coin deposit required" recording

9945 - CBCAD recording, different announcer and text

9946 - "Dialing Error" recording

9947 - "Custom calling failure" recording

9948 - Reorder

9949 - Ringout

9950 - Static when picks up, pulsing 440 hz, eventually goes to other tone.

9951 - Ringout

9952 - NIS

9953 - Ringout

9954 - Ringout

9955 - Ringout

9956 - Silent Answer

9957 - Ringout

9958 - Ringout

9959 - Ringout

9960 - NIS

9961 - NIS

9962 - Ringout

9963 - Ringout

9964 - Ringout

9965 - Ringout

9966 - Ringout

9967 - Ringout

9968 - Ringout

9969 - Busy

9970 - Reorder

9971 - Ringout

9972 - Ringout

9973 - Sweep; works sometimes, will also go to static in mid-sweep other times.

9974 - NIS

9975 - Ringout

9976 - Goes to your local or local tandem recording

9977 - Ringout

9978 - NIS

9979 - DISCO

9980 - Ringout

9981 - NIS

9982 - Silent Answer

9983 - Business

9984 - NIS

9985 - Ringout

9986 - Silent Answer

9987 - Milliwatt

9988 - Milliwatt

9989 - Milliwatt

9990 - Ringout

9991 - NIS

9992 - Milliwatt

9993 - Number changed to non-published

9994 - Ringout

9995 - NIS

9996 - Ringout

9997 - Trunk noise test

9998 - Picks up, short burst of 2200 hz, hangs up

9999 - Picks up, short burst of 2200 hz, hangs up

*Awww!* From the topic title I thought you'd found a dialup or PAD which gave you access to a 1AESS I/O terminal. sad.gif You disappoint me, Mr Bond...

Don't feel dissapointed just yet. The modem seems to need a nudge string of some sort, much like every other modem associated with a central office I've seen.

EDIT: Fixed "Cornbreath's" name. Also, if anyone would like to play around with the trunk noise tester, it responds to touchtones by producing noise, tones, or both. Any insight into what 9950 is would be appreciated.

Edited by ThoughtPhreaker
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