[cisco-voip] calls dropping on 5th minute

[Kevin Thorngren]

Sounds like a problem with the TCP Keepalives for the active call.  You 
may be running into an issue with h225 fixup.

Kevin
On Jul 24, 2006, at 1:18 PM, Teodor Dobrev wrote:

>
> Hi to all,
> I found the problem ¨C there is a pix between the call manager and 
> phones network, and the gateway.This f¡­ device was droping the udp 
> connection after exactly 5 minutes because it is considering it as 
> idle ¨C why? I don¡¯t knowJ
> Thanks for the help to all that responded ¨C sorry I cant send debugs 
> now because I obviously didn¡¯t save any.
>  
> Have a great evening/day
>  
>  
>
> From: Fedorov, Konstantin [mailto:kfedor at amt.ru]
> Sent: 24 §À§Ý§Ú 2006 §Ô. 10:04
> To: Teodor Dobrev
> Subject: RE: [cisco-voip] calls dropping on 5th minute
>  
> Hi,
>  
> Could you send a ISDN trace to the list ??
>  
> debug isdn q931
> debug h225 q931
>  
>
> -----------------------
>  Sincerely Yours,
>  Konstantin Fedorov
>
> From: cisco-voip-bounces at puck.nether.net 
> [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Teodor Dobrev
> Sent: Friday, July 21, 2006 4:51 PM
> To: cisco-voip at puck.nether.net
> Subject: [cisco-voip] calls dropping on 5th minute
>  
>  
> Hi to all
> Here is the problem
> I have 2811 connected through WVIC-MFT-E1 to the telco using ISDN PRI 
> service.
> IPT using CCM 4.2.
> Every call I made out and in to the PSTN gets dropped on the exactly 
> 5th minute (300 sec) with cause code 127 interworking error
>  
> 18F1 : 14740 882840880ms.14758 +160 +300900 pid:200 Answer 08070707#
>  dur 00:05:00 tx:14802/2486736 rx:14987/2397920 7F  (interworking 
> (127))
> Telephony 3/0 (14740) [3/0] tx:278170/278170/0ms g711alaw noise:-67dBm 
> acom:-29dBm
>  
> 18F1 : 14742 882840950ms.14759 +90 +302820 pid:3334 Originate 600
>  dur 00:05:02 tx:14860/2377600 rx:14804/2368640 7F  (interworking 
> (127))
>  IP 192.168.5.29:16384 SRTP: off rtt:0ms pl:277790/0ms lost:0/2/0 
> delay:55/55/65ms g711alaw
>  media inactive detected:n media contrl rcvd:n/a timestamp:n/a
>  
>  
> I get slips on the line:
>  
> R2811-B#sh controllers e1 0/0/0
> E1 0/0/0 is up.
>   Applique type is Channelized E1 - balanced
>   Description: BTC_PRI_LINE
>   No alarms detected.
>   alarm-trigger is not set
>   Version info Firmware: 20051006, FPGA: 20, spm_count = 0
>   Framing is CRC4, Line Code is HDB3, Clock Source is Internal.
>   CRC Threshold is 320. Reported from firmware  is 320.
>   Data in current interval (788 seconds elapsed):
>      0 Line Code Violations, 0 Path Code Violations
>      8 Slip Secs, 0 Fr Loss Secs, 0 Line Err Secs, 0 Degraded Mins
>      8 Errored Secs, 0 Bursty Err Secs, 0 Severely Err Secs, 0 Unavail 
> Secs
>  
>  
>  
> And here is the configuration:
>  
> controller E1 0/0/0
>  linecoding hdb3
>  framing crc4
>  clock source line
>  pri-group timeslots 1-31
>  
> interface Serial0/0/0:15
>  no ip address
>  encapsulation hdlc
>  isdn switch-type primary-net5
>  isdn overlap-receiving
>  isdn incoming-voice voice
>  isdn send-alerting
>  isdn bchan-number-order ascending round-robin
>  no cdp enable
> end
>  
>  
> The telco said that this is not their problem.
> Any suggestion might be useful.
> Thanks in advance
> --------
> Kind Regards,
> Teodor D. Dobrev
> Telelink AD
> Technical Department Expert
> phone: +35929704040
> fax: +35929704042
> cell: +359899980553
> e-mail: tdobrev at telelink.bg
>  
> _______________________________________________
> cisco-voip mailing list
> cisco-voip at puck.nether.net
> https://puck.nether.net/mailman/listinfo/cisco-voip
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: text/enriched
Size: 12673 bytes
Desc: not available
Url : https://puck.nether.net/pipermail/cisco-voip/attachments/20060724/ba1f127b/attachment-0001.bin