SIP registration problem? Disable SIP ALG in your router config.

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Jimbob:
Starting roughly on 9 May 2013, I was having trouble sometimes (Mostly calls from T-Mobile cell phones).  Our home phone would ring, but would not pick up (they would still hear ringing), or it would pick up, but we could not hear the caller. Sometimes it would go to voicemail/

I had to ENABLE SIP ALG on my Linksys DIR-655 (HW: B1, FW: 2.10NA) under "Advanced", then "Firewall Settings".

Then everything started working again!

Callcentric noted that this may be related to the Colorado DID provider, not T-Mobile specifically, as they have had similar reports.

My experience, YMMV, "The opinions expressed herein are not my own", etc.

[UPDATE:] Perhaps the fix was just the reboot of the router that was required for the SIP ALG change.  It seems to work intermittently, regardless of the SIP ALG setting.

Jackson:
Quote from: zhanzhangphd on July 06, 2012, 09:46:13 am

Hi,
I just got a OBI 100 and my 2WIRE Router does not let me register.
Any expert can help me with disabling the SIP?

Thanks in advance


Maybe?

Quote

2Wire 3800

I have UVerse from AT&T and my VoIP calls were horrible until I realized that I had this device. I found the instructions found at the Verizon on-line support site to be quite simple and accurate. The Verizon site has actual screen shots. For those of you who don't need a picutre, these are the steps:
Open browser, point to router's IP address followed by /mdc
e.g. http://192.168.1.254/mdc
Enter password and click submit (or press Enter)
Click on Configure Services link on left navigation bar under Advanced
Uncheck the Enable box under SIP Application Layer Gateway
Click submit
Enjoy unfettered VoIP calls!


http://wiki.freeswitch.org/wiki/ALG

SIMPLE_desires:
Some users of Verizon FIOS have coax/ethernet routers wherein on CANNOT disable SIP ALG

What then is suggested when one cannot swap out routers?

(Yes, I would suggest splitting TV/guide to coax and internet over ethernet,  but not everyone is willing to do that)

derekpittx:
Quote from: OBi-Guru on April 08, 2011, 02:10:02 pm

SIP registration problem due to broken ALG on D-Link router Model Dir-655,   Hardware Version: B1

There are two firmwares available:

1/ Latest:   2.01 NA, released in Feb 2011, SIP ALG added
    -- By default, SIP ALG is disabled -- and this mode for some reason BLOCKS the SIP packets from going thru
    -- And you must ENABLE SIP ALG to allow SIP packets to pass


2/ Shipping version: 2.00 NA, released in Sep 2010.
    -- By default, there is no SIP ALG function, and works well with SIP



I also have this problem, if someone has a solution, please tell me get-9apps.com get-cartoonhd.com

leaschaden:
Quote from: derekpittx on February 17, 2020, 10:40:56 pm

Quote from: OBi-Guru on April 08, 2011, 02:10:02 pm

SIP registration problem due to broken ALG on D-Link router Model Dir-655,   Hardware Version: B1

There are two firmwares available:

1/ Latest:   2.01 NA, released in Feb 2011, SIP ALG added
    -- By default, SIP ALG is disabled -- and this mode for some reason BLOCKS the SIP packets from going thru
    -- And you must ENABLE SIP ALG to allow SIP packets to pass


2/ Shipping version: 2.00 NA, released in Sep 2010.
    -- By default, there is no SIP ALG function, and works well with SIP



I also have this problem, if someone has a solution, please tell me  hill climb racing

Go to Advanced > QoS Engine. This will bring up your QoS settings (bandwidth management).
Click the box next to Enable Traffic Shaping to enable WAN Traffic Shaping.
Set the Manual Uplink Speed to an appropriate value based on your Internet connection. Note: Automatic Uplink Speed is disabled in 8x8’s QoS configuration as the feature adds some additional delay in the boot up time of the router.
Check the box next to Enable QoS Engine in the QoS Engine Setup portion of the screen.
hope this can help you!

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