[Freeswitch-users] Sangoma A102 Overrun Issue

Michael Jerris mike at jerris.com
Fri Aug 14 11:05:01 PDT 2009


I know sangoma is working on their new pri stack, maybe it has proper  
qsig support.  The openzap isdn stack does not right now and I was  
under the impression that the libpri support was pretty limited, but  
have no direct knowledge there.

Mike

On Aug 13, 2009, at 3:34 PM, Ryan Wagoner wrote:

> I've been trying to bridge FreeSWITCH with a Toshiba CIX using qsig
> over a PRI. I have a Sangoma A102 card installed in a Dell PowerEdge
> with CentOS 5.3. The issue I am having is no packets are being
> transmitted back to FreeSWITCH. ifconfig w1g1 shows every frame
> received as an overrun. I've tried a different server with CentOS 5.3
> with the same issue. I have a support ticket in with Sangoma, but was
> wondering if anybody had seen this before.
>
> The T1 shows connected so I think I have the Toshiba configured
> properly. From what I've read the overrun has to deal with the driver
> not reading the data in time so maybe this is a CentOS 5.3 specific
> issue. Any recommendations on alternative Linux distros known to work
> with the Sangoma A102 card?
>
> Thanks,
> Ryan
>
> [root at voip ~]# ifconfig w1g1
> w1g1      Link encap:Point-to-Point Protocol
>          UP POINTOPOINT RUNNING NOARP  MTU:80  Metric:1
>          RX packets:22298 errors:0 dropped:0 overruns:274 frame:274
>          TX packets:22298 errors:0 dropped:0 overruns:0 carrier:0
>          collisions:0 txqueuelen:100
>          RX bytes:1783840 (1.7 MiB)  TX bytes:1783840 (1.7 MiB)
>          Interrupt:169 Memory:f8e80000-f8e81fff
>
>
> [root at voip ~]# wanrouter status
>
> Devices currently active:
>        wanpipe1
>
>
> Wanpipe Config:
>
> Device name | Protocol Map | Adapter  | IRQ | Slot/IO | If's | CLK |  
> Baud rate |
> wanpipe1    | N/A          | A101/1D/A102/2D/4/4D/8| 169 | 4       | 1
>   | N/A | 0         |
>
> Wanrouter Status:
>
> Device name | Protocol | Station | Status        |
> wanpipe1    | AFT TE1  | N/A     | Connected     |
>
>
> [root at voip ~]# wanpipemon -i w1g1 -c Ta
>
> ***** w1g1: T1 Alarms (Framer) *****
>
> ALOS:   OFF     | LOS:  OFF
> RED:    OFF     | AIS:  OFF
> RAI:    OFF     | OOF:  OFF
>
> ***** w1g1: T1 Alarms (LIU) *****
>
> Short Circuit:  OFF
> Open Circuit:   OFF
> Loss of Signal: OFF
>
>
> ***** w1g1: T1 Performance Monitoring Counters *****
>
> Line Code Violation     : 45
> Bit Errors (CRC6/Ft/Fs) : 0
> Out of Frame Errors     : 0
>
>
> Rx Level        : > -2.5db





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