[AusNOG] High number of inbound automated Chinese language calls on AAPT CTS
Matt Perkins
matt at spectrum.com.au
Fri Oct 27 15:33:29 EST 2017
Hi Jay,
Unwelcome Communications procedure only work when you have the source
numbers. It's hard to give the CTS provider ~10,000 source numbers ;)
They are trying however to chase it up. No it's not coming from a sip
gateway. This equipment is not on the internet.
Matt.
On 27/10/17 3:22 pm, jay binks wrote:
> There are methods for dealing with unwelcome or nuisance calls.
> It's not always effective, but its worth a try.
>
> If your calls fit the definition of an "UNWELCOME COMMUNICATIONS" you
> may be able to utilise
> http://www.commsalliance.com.au/Documents/all/codes/c525.
>
> The OP may have a claim to this with 3000 calls within 4 hours.
> Contact your CSP. /"C/CSPs must assist end users in receipt of
> unwelcome messages where it is reasonably possible to do so "/
>
> They may only pass the complaint on to the originating carrier, but
> you might get lucky.
> The other thing I initially thought of when I saw this ( but it seems
> like its probably not the case after reading other peoples accounts ).
> Make sure your SIP equipment only accepts SIP from your SIP provider.
> Sometimes you find people scanning your network, doing this sort of thing.
>
> Good luck !
>
> Jay
>
> On 27 October 2017 at 14:12, Matt Perkins <matt at spectrum.com.au
> <mailto:matt at spectrum.com.au>> wrote:
>
> The volumes we are getting are stunning if it's not targeted at
> AAPT. as it appears it's not from some of the on/off list
> responses. We have had over 3000 calls in the last 4 hours. This
> has been going on for almost 4 days.
>
>
> Matt.
>
>
>
> On 27/10/17 2:51 pm, Tom.Minchin at csiro.au
> <mailto:Tom.Minchin at csiro.au> wrote:
>> We are getting runs of these to a Sydney and a Melbourne site. We
>> are Telstra inbound.
>>
>>
>>
>> On Fri, Oct 27, 2017 at 1:55 PM +1100, "Andrew Yager"
>> <andrew at rwts.com.au <mailto:andrew at rwts.com.au>> wrote:
>>
>> Hi Matt,
>>
>> We have seen multiple instances of this over the last couple
>> of months to different number blocks.
>>
>> It's usually a Mandarin message claiming to be from the ATO.
>>
>> Have logged a few complaints on a few of them; have not got
>> anywhere useful because each number is called "once" and
>> doesn't meet the threshold for a nuisance claim.
>>
>> If any of my upstreams want to care though… I'm happy to
>> provide more details… :) (nudge… nudge…)
>>
>> Andrew
>>
>>
>> On 27 October 2017 at 13:34, Matt Perkins
>> <matt at spectrum.com.au <mailto:matt at spectrum.com.au>> wrote:
>>
>> Here's some Friday fun.
>>
>> Are there any people with AAPT CTS that are receiving
>> very high volumes (500 an hour) of a Chinese language
>> automated message. Numbers dialed in appear to be random
>> within a routed ranges they also appear to be using
>> random calling id's some start with 028009XX. Im told
>> that the message says it's from the Chinese consulate and
>> ask you to push zero. I suspect they are trying to
>> determine which numbers have Chinese language speakers
>> answer for some later scam. But only appears to be on
>> AAPT CTS. We have CTS with a few other carriers and
>> seeing nothing on those inbound.
>>
>> Interested to see if others are receiving same.
>>
>> Matt.
>>
>>
>>
>> --
>> /* Matt Perkins
>> Direct 1300 137 379 <tel:1300%20137%20379>
>> Spectrum Networks Ptd. Ltd.
>> Office 1300 133 299 <tel:1300%20133%20299>
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>> Spectrum Networks is a member of the
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> --
> /* Matt Perkins
> Direct1300 137 379 <tel:1300%20137%20379> Spectrum Networks Ptd. Ltd.
> Office1300 133 299 <tel:1300%20133%20299> matt at spectrum.com.au <mailto:matt at spectrum.com.au>
> Level 6, 350 George Street Sydney 2000
> Spectrum Networks is a member of the Communications Alliance & TIO
> */
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> --
> Sincerely
>
> Jay
--
/* Matt Perkins
Direct 1300 137 379 Spectrum Networks Ptd. Ltd.
Office 1300 133 299 matt at spectrum.com.au
Level 6, 350 George Street Sydney 2000
Spectrum Networks is a member of the Communications Alliance & TIO
*/
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