[cisco-voip] CUCM & NAT

[Lemon]

HI,

Yes, i have the IP-IP gateway (CUBE) configured - or atleast i think i
have it configured:
c2800nm-ipvoice_ivs-mz.124-22.T.bin

!
voice call send-alert
voice call convert-discpi-to-prog
voice call carrier capacity active
voice rtp send-recv
!
voice service voip
 allow-connections h323 to h323
 allow-connections h323 to sip
 allow-connections sip to h323
 allow-connections sip to sip
 no supplementary-service h225-notify cid-update
 redirect ip2ip
 signaling forward unconditional
 fax protocol t38 ls-redundancy 0 hs-redundancy 0 fallback cisco
  cause-code legacy
 h323
  h450 h450-3 timeout T1 750
  no h225 timeout keepalive
  h225 h245-address on-connect
  h225 h245-address setup
 modem passthrough nse codec g711alaw
 sip
  rel1xx disable
  min-se 360
  header-passing
  redirect contact order best-match
!
!
!
!
voice class codec 1
 codec preference 1 g711ula
 codec preference 2 g729r8
 codec preference 3 g711alaw
!
!
dial-peer voice 3000 voip
 destination-pattern T
 progress_ind setup enable 1
 modem passthrough nse codec g711alaw redundancy
 voice-class codec 1
 session target ipv4:X.x.x.x
 dtmf-relay rtp-nte h245-signal h245-alphanumeric
 fax protocol t38 ls-redundancy 0 hs-redundancy 0 fallback none
 icpif 25
 no vad
!


thnx
charl

On Thu, Feb 12, 2009 at 12:15 AM, Wes Sisk <wsisk at cisco.com> wrote:
> not by default.  that would require the IOS h323 gateway to 'tadem' the voip
> call.  Which does not work until the CUBE or IP-IP gateway feature set.
>
> Your IOS gateway will have to be configured as an IP-IP gateway (or CUBE in
> the new lingo) for that to work.
>
> /Wes
>
> On Wednesday, February 11, 2009 3:59:56 PM, Lemon <lemon at lemon.za.net>
> wrote:
>
> RIght, So i thought this would be straight forward
>
> Sending outbound calls from CUCM to h323 gateway which has a voip
> dial-peer to the providers h323 gateway.
> When making outbound calls we get ringback on the IP Phone and
> eventually it just dies - the other end never actually rings.
>
> Any ideas/pointers greatly appreciated,
>
> Thnx
> charl
>
> On Tue, Feb 10, 2009 at 9:47 PM, Wes Sisk <wsisk at cisco.com> wrote:
>
>
> This is the definition of a border controller or CUBE.
> /Wes
>
> On Tuesday, February 10, 2009 2:36:26 PM, Lemon <lemon at lemon.za.net> wrote:
>
>
> Hi,
>
> Telco can't deliver PRI to customer site so now we have to
> send/receive calls via a service provider H323 Gateway. Problem is
> that we will need to NAT everything in order to talk to SP's H323
> Gateway. We are using:
>
> CUCM 6.1.2 --->Cisco 2821--->SP Network--->SP H323 Gateway
>
> Just wondering on the best way to achieve this or pitfalls to look out
> for?
>
> thnx
> charl
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