… I mean Microsoft, if it happens again.
Any thoughts why maybe it would happen on one cell site?
From: VoiceOps On Behalf Of Paul Timmins
Sent: Thursday, June 10, 2021 10:33 PM
To: Matthew Crocker
Cc: VoiceOps
Subject: Re: [VoiceOps] "Timeout" on VoIP call traversing Verizon
5:11 PM
> To: VoiceOps mailto:voiceops@voiceops.org>>
> Subject: Re: [VoiceOps] "Timeout" on VoIP call traversing Verizon data
>
> CAUTION: This email originated from outside of Crocker. Do not click links or
> open attachments unless you recognize the sender and kno
seconds.
We have had very good results with the acme/oracle approach
From: VoiceOps on behalf of Pete Mundy
Date: Thursday, June 10, 2021 at 5:11 PM
To: VoiceOps
Subject: Re: [VoiceOps] "Timeout" on VoIP call traversing Verizon data
CAUTION: This email originated from outside of Crock
Precisely. And those "NAT table entries" eventually time out. On CG-NAT they
often time out aggressively; <60 seconds. Hence sending OPTIONS over SIP over
UDP regularly keeps the NAT table entries refreshed and active and therefore
the UDP 'connection' open. I've come across firewalls with 30
ve run into this before and had
> “recommendations” to address this.
>
> I’ll bounce your thoughts off of them.
>
>
>
> Thanks!
>
>
>
> Mark
>
>
>
>
>
>
>
>
>
>
>
> *From:* Dovid Bender
> *Sent:* Thursday, June 10, 2021 8:47 AM
&g
ng. It would
seem that if that’s the case, Meta would have run into this before and
had “recommendations” to address this.
I’ll bounce your thoughts off of them.
Thanks!
Mark
From: Dovid Bender
Sent: Thursday, June 10, 2021 8:47 AM
To: Mark Wiles
Cc: voiceops@voiceops.org
Subject: Re: [
Yes, I think the softphone client does use TCP.
-Original Message-
From: Peter Beckman
Sent: Thursday, June 10, 2021 4:07 PM
To: Mark Wiles
Cc: Dovid Bender ; voiceops@voiceops.org
Subject: Re: [VoiceOps] "Timeout" on VoIP call traversing Verizon data
u SIP here
June 10, 2021 8:47 AM
To: Mark Wiles
Cc: voiceops@voiceops.org
Subject: Re: [VoiceOps] "Timeout" on VoIP call traversing Verizon data
If I had to guess Verizon is using CGNAT and since there is no traffic for X
amount of time the NAT hole for the SIP traffic is closed. When you send
e NAT timeout might standardly be, before the
pin-hole goes away?
Strange we’ve not run into this before.
*From:* VoiceOps *On Behalf Of *Paul
Timmins
*Sent:* Thursday, June 10, 2021 11:12 AM
*To:* voiceops@voiceops.org
*Subject:* Re: [VoiceOps] "Timeout" on VoIP call traversin
@voiceops.org
Subject: Re: [VoiceOps] "Timeout" on VoIP call traversing Verizon data
The perimeta should auto-detect the NAT and start a "fast register" in their
parlance. You might want to look into this and possibly force nat on your MaXUC
instead of using nat autodetect
49 seconds... how trusting! ;-)
We use 25.
Pete
(it's true, but said tongue-in-cheek as I'm sure you have your data to show
where the bulk of NATs expire)
> On 11/06/2021, at 12:46 AM, Dovid Bender wrote:
>
> (we send SIP OPTIONS every 49 seconds) to ensure that the session
> stays aliv
Timmins
Sent: Thursday, June 10, 2021 11:12 AM
To: voiceops@voiceops.org
Subject: Re: [VoiceOps] "Timeout" on VoIP call traversing Verizon data
The perimeta should auto-detect the NAT and start a "fast register" in their
parlance. You might want to look into this and possib
hts off of them.
Thanks!
Mark
*From:* Dovid Bender
*Sent:* Thursday, June 10, 2021 8:47 AM
*To:* Mark Wiles
*Cc:* voiceops@voiceops.org
*Subject:* Re: [VoiceOps] "Timeout" on VoIP call traversing Verizon data
If I had to guess Verizon is using CGNAT and since there is no traffic
for
, Meta would have run into this before and had
“recommendations” to address this.
I’ll bounce your thoughts off of them.
Thanks!
Mark
From: Dovid Bender
Sent: Thursday, June 10, 2021 8:47 AM
To: Mark Wiles
Cc: voiceops@voiceops.org
Subject: Re: [VoiceOps] "Timeout" on VoIP call
If I had to guess Verizon is using CGNAT and since there is no traffic for
X amount of time the NAT hole for the SIP traffic is closed. When you send
a re-invite at the 30 minute mark that session as far as Verizon's CGNAT
devices are concerned have been closed a long time ago. You would need to
se
If there’s a Verizon cellular data guru monitoring here, I’d love to get your
insight!
Otherwise, let me toss this out to the group for thoughts and opinions please…
We’re a Metaswitch shop, and use their MaX UC mobile softphone client
(iPhone/Android).
We had a customer using the MaX UC clien
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