OBi100: Calls disconnecting at 14 minutes and 30 seconds

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croat4:
Hello,

I have an OBi100 and have been using it with Vestalink (former Obivoice) for about a year and two months with no issues when making calls in USA or to Canada.
I recently switched to Google voice and when I call my parents in Canada (506 area code), calls are getting disconnected at about 14 minutes and 30-45 seconds.
The last three out of four calls got disconnected at that specific time. I just had a call to the same number that actually lasted 60 minutes with no issues.
I also called my cell phone and the call went over 17 minutes with no problems. It looks like it is just when I am calling my parents in Canada to their landline.
My internet is with Time Warner (15/1) and have a Motorola SB6141 modem and a Netgear R6200 router. OBi100 has the latest firmware.

What do you think the problem could be?

highgrade:
Disable SPI

joelost:
I'm having the EXACT same problem.  Calls to (outofstate) Calif, Ky, and (instate) Oregon drop after 14 minutes and a few seconds.

I,  too,  have a Netgear 6200 but have recently switched from comcast to DSL.

I don't have SPI on the Netgear.  I have under SETUP/Wan/ NAT Filtering Secured/OPEN
and Disable SIP ALG.   There also is "Disable Port scan & Dos protection"

Joe F

joelost:
Just spoke to someone for 30 minutes.

I was using the Netgear Router with an old Sipura SPA-1000 and connected to Google Voice by way of
the KOT-VOIP server (Sean Chen's King of Tweaks).

So it's definitely some interaction between my OBI110 and the Netgear 6200 router.

Sigh!

    Joe F

croat4:
I have disabled the SIP ALG option on my Netgear router. We'll see how it'll go now when making outbound calls.
Thanks everyone.

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