[cisco-voip] Post-dial Delay - two H.323 gateways with E1 interface

[Gustavo Rodrigues Ramos]

Hi Jorge, thanks for your reply, but I don't think this is the case
since from the PSTN to the extensions the two dial-peers are pretty
much straightforward (destination-pattern 8... on both gateways).

Gustavo.


On Mon, Nov 23, 2009 at 12:15 PM, Jorge L. Rodriguez Aguila
<jorge.rodriguez at netxar.com> wrote:
> As Dennis said, to eliminate the pause, create dial peers with more exact patterns.
>
>
> Jorge Rodriguez, CCVP, CRMCS
> Senior Voice/Data Consultant
> Netxar Technologies
> PCS 7876888530
> jorge.rodriguez at netxar.com
>
>
>
>
> -----Original Message-----
> From: cisco-voip-bounces at puck.nether.net [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Dennis Heim
> Sent: Monday, November 23, 2009 9:58 AM
> To: Gustavo Rodrigues Ramos; cisco-voip at puck.nether.net
> Subject: Re: [cisco-voip] Post-dial Delay - two H.323 gateways with E1 interface
>
> Whenever you a T in your destination-pattern you will get your interdigit timeout.
>
> Dennis Heim
> Network Voice Engineer
> CDW  Advanced Technology Services
> 11711 N. Meridian Street, Suite 225
> Carmel, IN  46032
>
> 317.569.4255 Office
> 317.569.4201 Fax
> 317.694.6070 Cell
> dennis.heim at cdw.com
> www.berbee.com
>
>
> -----Original Message-----
> From: cisco-voip-bounces at puck.nether.net [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Gustavo Rodrigues Ramos
> Sent: Monday, November 23, 2009 12:16 AM
> To: cisco-voip at puck.nether.net
> Subject: [cisco-voip] Post-dial Delay - two H.323 gateways with E1 interface
>
> Hello,
>
> I've configured a very simple H.323 environment. Two Cisco 2811 (IOS
> 12.4(15)T) as H.322 gateways with one E1 (CAS R2) interface each.
> There is a PBX connected to the first gateway (through the E1
> interface) and the other one is connected to the PSTN. Everything looks good (calls are following from the PBX to the PSTN and vice-versa), however there is a 15 seconds post-dial delay that I couldn't fix.
>
> I've tried to change the DTMF, H.323 and voice-port inter-digit timeout with no change in the post-dial delay... I suspect that this is related to the H.323 connection or codec negotiation, but can't tell for sure. The below configuration is what I'm using in both gateways.
>
> If anyone can point me to a direction, I would really appreciate.
>
> Thanks in advance,
> Gustavo.
>
>
>
> !
> voice class codec 1
>  codec preference 1 g729r8
> !
> voice class h323 1
>  h225 timeout tcp establish 3
>  h225 timeout setup 3
>  call start fast
> !
> controller E1 0/2/0
>  framing NO-CRC4
>  ds0-group 0 timeslots 1-15,17-21 type r2-digital r2-compelled ani  cas-custom 0
>  country brazil use-defaults
>  metering
>  category 2
>  answer-signal group-b 1
>  dtmf timer inter-digit 250
> !
> !
> !
> voice-port 0/2/0:0
>  cptone BR
>  timeouts initial 1
>  timeouts interdigit 2
>  music-threshold -60
> !
> !
> !
> dial-peer voice 2 pots
>  description CONNECTED to PSTN
>  destination-pattern 9#T
>  progress_ind alert enable 8
>  progress_ind progress enable 8
>  direct-inward-dial
>  port 0/2/0:0
> !
> dial-peer voice 11 voip
>  description CALL LEG TO OTHER GATEWAY
>  destination-pattern 8...
>  translate-outgoing called 99
>  voice-class codec 1
>  voice-class h323 1
>  session target ipv4:192.168.x.x
>  dtmf-relay h245-alphanumeric
>  fax protocol cisco
> !
> !
> gateway
>  timer receive-rtp 1200
> !
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