097 | main: 888.444., Option 2
email: bbrid...@o1.com | web: www.o1.com
-Original Message-
From: Paul Timmins [mailto:p...@timmins.net]
Sent: Wednesday, October 21, 2015 12:06 PM
To: Brooks Bridges
Cc: VoiceOps
Subject: Re: [VoiceOps] Disconnected numbers and SIP
If this was true, why does ISU
11, Option 2
> email: bbrid...@o1.com | web: www.o1.com
>
> -Original Message-
> From: VoiceOps [mailto:voiceops-boun...@voiceops.org] On Behalf Of Alex
> Balashov
> Sent: Wednesday, October 21, 2015 11:04 AM
> To: Peter E
> Cc: VoiceOps
> Subject: Re: [VoiceOps] Di
bject: Re: [VoiceOps] Disconnected numbers and SIP
Can't a 404 sometimes be taken as evidence that an intermediate network element
(e.g. a wholesale provider's LCR) doesn't have the destination in route?
Or do they just return the all-encompassing 503 in those cases?
--
Alex
+1-800-250-5920 (toll-free) / +1-678-954-0671 (direct)
Web: http://www.evaristesys.com/, http://www.csrpswitch.com/
Sent from my BlackBerry.
Original Message
From: Brooks Bridges
Sent: Wednesday, October 21, 2015 14:14
To: VoiceOps
Subject: Re: [VoiceOps] Disconnected numbers and SIP
&quo
October 21, 2015 11:04 AM
To: Peter E
Cc: VoiceOps
Subject: Re: [VoiceOps] Disconnected numbers and SIP
I see 404 fairly commonly used to indicate "I don't have a route for this". 6xx
codes are supposed to be used to indicate definitive knowledge that a number
can't be reach
I see 404 fairly commonly used to indicate "I don't have a route for this". 6xx
codes are supposed to be used to indicate definitive knowledge that a number
can't be reached by any other means globally.
--
Alex Balashov | Principal | Evariste Systems LLC
303 Perimeter Center North, Suite 300
Atl
hov
Cc: Paul Timmins; VoiceOps
Subject: Re: [VoiceOps] Disconnected numbers and SIP
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lashov
Cc: Paul Timmins; VoiceOps
Subject: Re: [VoiceOps] Disconnected numbers and SIP
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We've found 404 to be extremely reliable when received from upstream
carriers. It's one of the very few codes that we don't route advance on
because we found that calls never compete if someone hands back a 404.
JM
On Tue, Oct 20, 2015 at 10:48 PM, Alex Balashov
wrote:
> Thanks. And I'm gue
October 20, 2015 7:57 PM
To: Peter E
Cc: VoiceOps
Subject: Re: [VoiceOps] Disconnected numbers and SIP
Yeah, looked at that. I meant more from a "de facto" / what vendors actually do
perspective, which, as you know, has tenuous attachment to the RFCs. :-)
--
Alex Balashov | Principa
+1-800-250-5920 (toll-free) / +1-678-954-0671 (direct)
Web: http://www.evaristesys.com/, http://www.csrpswitch.com/
Sent from my BlackBerry.
Original Message
From: Peter E
Sent: Tuesday, October 20, 2015 22:55
To: Alex Balashov
Cc: VoiceOps
Subject: Re: [VoiceOps] Disconnected numbe
For what it's worth, here's the RFC that maps the codes:
https://tools.ietf.org/html/rfc3398
On Oct 20, 2015, at 21:38, Alex Balashov wrote:
Hello,
Are there ISUP cause codes for disconnected numbers? And if so, do there exist
established mappings for them to SIP?
I've never seen this pre
Agree. 503 has become badly misused.
On Oct 20, 2015, at 22:48, Alex Balashov wrote:
Thanks. And I'm guessing the best one can hope for from a SIP termination
provider is an ambiguous 404, or, more likely, a 503, which seems to have
become misused an opaque, catch-all epithet for any and all
I would consider anything but 404 (at least as long as the terminating LEC send
a cause code 1 properly) a glaring bug that I would demand a fix for until I
received one, but I have different standards than most (many?) folk it seems.
But I have zero tolerance for exotica on my TDM or SIP termin
Thanks. And I'm guessing the best one can hope for from a SIP termination
provider is an ambiguous 404, or, more likely, a 503, which seems to have
become misused an opaque, catch-all epithet for any and all completion failures?
--
Alex Balashov | Principal | Evariste Systems LLC
303 Perimeter
>
> Tel: +1-800-250-5920 (toll-free) / +1-678-954-0671 (direct)
> Web: http://www.evaristesys.com/, http://www.csrpswitch.com/
>
> Sent from my BlackBerry.
> Original Message
> From: Peter E
> Sent: Tuesday, October 20,
Does ISUP have a code for this? Is it consistently signalled in the
intermachine world?
What about Q.931?
(Sorry for unintentional off-list replies. This list doesn't send a list
Reply-To seemingly.)
--
Alex Balashov | Principal | Evariste Systems LLC
303 Perimeter Center North, Suite 300
At
r 20, 2015 22:32
To: Alex Balashov
Cc: VoiceOps
Subject: Re: [VoiceOps] Disconnected numbers and SIP
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Wouldn't is be cause code 1, unallocated number?
http://www.dialogic.com/webhelp/img1010/10.5.2/webhelp/General_Reference/def_sip-ss7_cc.htm
On Oct 20, 2015, at 21:38, Alex Balashov wrote:
Hello,
Are there ISUP cause codes for disconnected numbers? And if so, do there exist
established map
We struggled with this and eventually integrated our switch with Speedeon Data.
They have a disconnected number scrubbing API. We sell it as an additional
feature to customers who are interested in knowing when numbers are
disconnected.
On Oct 20, 2015, at 7:39 PM, Alex Balashov
mailto:abalas.
Hello,Are there ISUP cause codes for disconnected numbers? And if so, do there exist established mappings for them to SIP?I've never seen this present from any SIP termination gateway. As far as I know, disconnects are expressed in in-band audio service announcements fed backward via early media,
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