[cisco-voip] Delay on outbound international calls via FXO

Wes Sisk wsisk at cisco.com
Thu Mar 17 08:17:57 EDT 2011


indeed it does. great data point.

On 3/16/2011 11:48 PM, Louis Koekemoer (ZA) wrote:
>
> What I also forgot to mention, even when in SRST I have the same 
> problem. I assume this rules out any bandwidth/QOS possibility.
>
> Regards
>
> *Louis Koekemoer*
>
> Senior Cisco IPT Systems Engineer
>
> Converged Communications
>
> Dimension Data (South Africa)
>
> Tel:         +27 (11) 575 6560
>
> Fax:        +27 (11) 576 6560
>
> Cell:       +27 (71) 680 8790
>
> Email: Louis.Koekemoer at za.didata.com 
> <mailto:Louis.Koekemoer at za.didata.com>
>
> Planned travel -- 13/03/2011 -- 18/03/2011
>
> For further information about Dimension Data, please go to 
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> P *Before printing this email please think about the environment***
>
> *From:*Louis Koekemoer (ZA)
> *Sent:* 17 March 2011 05:44 AM
> *To:* 'Nick Matthews'
> *Cc:* Norton, Mike; cisco-voip at puck.nether.net
> *Subject:* RE: [cisco-voip] Delay on outbound international calls via FXO
>
> CCM4.1 with 2801 gateway. 8 x FXO lines. I'm using H323 at this 
> moment. Outbound calls to international calls only, 15-23s before it 
> starts ringing on either phone. Inbound I PLAR all calls to 1 specific 
> number. IP phone will ring, and when you answer there is about 3s 
> delay while other phone(Mobile) still ring before you can say hello.
>
> Regards
>
> *Louis Koekemoer*
>
> Senior Cisco IPT Systems Engineer
>
> Converged Communications
>
> Dimension Data (South Africa)
>
> Tel:         +27 (11) 575 6560
>
> Fax:        +27 (11) 576 6560
>
> Cell:       +27 (71) 680 8790
>
> Email: Louis.Koekemoer at za.didata.com 
> <mailto:Louis.Koekemoer at za.didata.com>
>
> Planned travel -- 13/03/2011 -- 18/03/2011
>
> For further information about Dimension Data, please go to 
> www.dimensiondata.com <http://www.dimensiondata.com/>
>
> P *Before printing this email please think about the environment***
>
> *From:*matthn at gmail.com [mailto:matthn at gmail.com] *On Behalf Of *Nick 
> Matthews
> *Sent:* 17 March 2011 12:51 AM
> *To:* Louis Koekemoer (ZA)
> *Cc:* Norton, Mike; cisco-voip at puck.nether.net
> *Subject:* Re: [cisco-voip] Delay on outbound international calls via FXO
>
> If you're dialing from an FXS port off that router, and it's not MGCP 
> or SCCP controlled, you wouldn't be using the route patterns.
>
> Although in that case, entering # should still work.  If you describe 
> the call flow with devices and protocols it may be easier to help.
>
> -nick
>
> On Wed, Mar 16, 2011 at 2:31 PM, Louis Koekemoer (ZA) 
> <Louis.Koekemoer at za.didata.com <mailto:Louis.Koekemoer at za.didata.com>> 
> wrote:
>
> I wish I had a normal analogue phone...
>
> Regards
>
> *Louis Koekemoer*
>
> Senior Cisco IPT Systems Engineer
>
> Converged Communications
>
> Dimension Data (South Africa)
>
> Tel: +27 (11) 575 6560 <tel:%2B27%20%2811%29%20575%206560>
>
> Fax: +27 (11) 576 6560 <tel:%2B27%20%2811%29%20576%206560>
>
> Cell: +27 (71) 680 8790 <tel:%2B27%20%2871%29%20680%208790>
>
> Email: Louis.Koekemoer at za.didata.com 
> <mailto:Louis.Koekemoer at za.didata.com>
>
> Planned travel -- 13/03/2011 -- 18/03/2011
>
> For further information about Dimension Data, please go to 
> www.dimensiondata.com <http://www.dimensiondata.com/>
>
> P *Before printing this email please think about the environment *
>
> *From:*Norton, Mike [mailto:mikenorton at pwsd76.ab.ca 
> <mailto:mikenorton at pwsd76.ab.ca>]
> *Sent:* 16 March 2011 08:31 PM
>
>
> *To:* Louis Koekemoer (ZA); cisco-voip at puck.nether.net 
> <mailto:cisco-voip at puck.nether.net>
> *Subject:* RE: [cisco-voip] Delay on outbound international calls via FXO
>
> As with all FXO problems, it would be prudent to perform an easy 
> 20-second test to see if the cause is perhaps the telco's side, before 
> getting all carried away with stuff on the gateway. If you unhook and 
> gateway and plug in an analog phone to the line and dial the same 
> digits, is there delay?
>
> *From:*cisco-voip-bounces at puck.nether.net 
> <mailto:cisco-voip-bounces at puck.nether.net> 
> [mailto:cisco-voip-bounces at puck.nether.net 
> <mailto:cisco-voip-bounces at puck.nether.net>] *On Behalf Of *Chris Ward 
> (chrward)
> *Sent:* March-16-11 7:36 AM
> *To:* Louis Koekemoer (ZA); Ryan Schwab; cisco-voip at puck.nether.net 
> <mailto:cisco-voip at puck.nether.net>
> *Subject:* Re: [cisco-voip] Delay on outbound international calls via FXO
>
> I don't know, 15s is usually a pretty dead give-away... Is this UCM or 
> UCME? What type of GW and what protocol is controlling the FXO port?
>
> If its CUCM, a detailed set of traces would show pretty clearly what 
> the issue is.
>
> +Chris
>
> Hosted Collaboration Solution TME
>
> *From:*cisco-voip-bounces at puck.nether.net 
> <mailto:cisco-voip-bounces at puck.nether.net> 
> [mailto:cisco-voip-bounces at puck.nether.net 
> <mailto:cisco-voip-bounces at puck.nether.net>] *On Behalf Of *Louis 
> Koekemoer (ZA)
> *Sent:* Wednesday, March 16, 2011 12:07 AM
> *To:* Ryan Schwab; cisco-voip at puck.nether.net 
> <mailto:cisco-voip at puck.nether.net>
> *Subject:* Re: [cisco-voip] Delay on outbound international calls via FXO
>
> It is not inter digit time out, as we have another 20 sites of the 
> cluster. Also with local and mobile calls it is instant. I have 2 
> patters for international. 0.00! and 0.00!# obviously discarding predot.
>
> Regards
>
> *Louis Koekemoer*
>
> Senior Cisco IPT Systems Engineer
>
> Converged Communications
>
> Dimension Data (South Africa)
>
> Tel: +27 (11) 575 6560 <tel:%2B27%20%2811%29%20575%206560>
>
> Fax: +27 (11) 576 6560 <tel:%2B27%20%2811%29%20576%206560>
>
> Cell: +27 (71) 680 8790 <tel:%2B27%20%2871%29%20680%208790>
>
> Email: Louis.Koekemoer at za.didata.com 
> <mailto:Louis.Koekemoer at za.didata.com>
>
> Planned travel -- 13/03/2011 -- 18/03/2011
>
> For further information about Dimension Data, please go to 
> www.dimensiondata.com <http://www.dimensiondata.com/>
>
> P *Before printing this email please think about the environment *
>
> *From:*Ryan Schwab [mailto:schwaby81 at shaw.ca <mailto:schwaby81 at shaw.ca>]
> *Sent:* 15 March 2011 10:39 PM
> *To:* Louis Koekemoer (ZA); cisco-voip at puck.nether.net 
> <mailto:cisco-voip at puck.nether.net>
> *Subject:* RE: [cisco-voip] Delay on outbound international calls via FXO
>
> Experiencing inter-digit timeout?
>
> What do you route patterns and/or dial-peers look like?
>
> *From:*cisco-voip-bounces at puck.nether.net 
> <mailto:cisco-voip-bounces at puck.nether.net> 
> [mailto:cisco-voip-bounces at puck.nether.net 
> <mailto:cisco-voip-bounces at puck.nether.net>] *On Behalf Of *Louis 
> Koekemoer (ZA)
> *Sent:* March-15-11 2:26 PM
> *To:* cisco-voip at puck.nether.net <mailto:cisco-voip at puck.nether.net>
> *Subject:* [cisco-voip] Delay on outbound international calls via FXO
>
> I have an issue with outbound calls in Dubai on FXO via H323. Only 
> international calls. I would call any number internationally, and it 
> would start counting the seconds on the phone and after about 15s it 
> only starts ringing. All this time it is quiet.
>
> Any suggestions?
>
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