Re: GNUGK TO CISCO BUT NO VOICE !!

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> i have a problem, i send my call with prefix 33 to a cisco 2611 gateway.
> but they calls are connected, i see the rtp packet in my gnugk to the iphone
> and to the cisco, 
> but i don't have a voice.
>

Is the iphone on the 192.168.100 LAN?  If so, you should be able
to configure it to not register with a GK and contact the Cisco
gateway directly.  If that fails in the same way, the problem
has nothing to do with gnugk; please post your question elsewhere ;)

If iphone is not on the LAN, does it make a difference when
iphone is put on the LAN for testing?

If that still fails, does it help if you set iphone and Cisco
to use G.711?

Does it help if you don't enable proxy in GK?

Have you tested with another type of calling endpoint?

Is there no audio in either direction?

Possible causes for no audio:

RTP packets sent to wrong IP, or wrong port (compared to what
iphone sent in Open Logical Channel).

Wrong media type, incorrect payload length, or bad checksum
in RTP packets.

You can easily check the above with Ethereal.  If you test
using G.711, you can even have Ethereal play the audio.

--Stewart

> this my configuration for GNUGK :
>  
> ##
> 
> ## This example shows how to use SQL as a backend database to
> 
> ## authenticate the endpoints.
> 
> ##
> 
> ## Currently two SQL drivers are supported: MySQL and PostgreSQL
> 
> [Gatekeeper::Main]
> 
> Fourtytwo=42
> 
> Name=OpenH323GK
> 
> TimeToLive=300
> 
> #Home=
> 
> #UseBroadcastListener=1
> 
> [RoutedMode]
> 
> GKRouted=1
> 
> H245Routed=1
> 
> CallSignalPort=1721
> 
> CallSignalHandlerNumber=2
> 
> RemoveH245AddressOnTunneling=1
> 
> DropCallsByReleaseComplete=0
> 
> SupportNATedEndpoints=1
> 
> RemoveCallOnDRQ=1
> 
> SendReleaseCompleteOnDRQ=1
> 
> [Gatekeeper::Auth]
> 
> #SQLPasswordAuth=required;RRQ
> 
> #SQLAliasAuth=required;RRQ
> 
> default=allow
> 
> [RasSrv::GWPrefixes]
> 
> telehouse=33
> 
> [RasSrv::PermanentEndpoints]
> 
> 192.168.100.100:1720=telehouse;33
> 
>  
> 
> [Proxy]
> 
> Enable=1
> 
> ProxyForNAT=1
> 
>  
> 
> [GkStatus::Auth]
> 
> rule=allow
> 
>  
> 
>  
> 
> and my configuration for the cisco router :
> 
>  
> 
> Current configuration : 1663 bytes
> !
> version 12.3
> service timestamps debug datetime msec
> service timestamps log datetime msec
> service password-encryption
> no service dhcp
> !
> hostname telehouse
> !
> boot-start-marker
> boot-end-marker
> !
> !
> username Admin password 7 020A0B5C0A08
> no network-clock-participate slot 1
> no network-clock-participate wic 0
> voice-card 1
>  codec complexity high
> !
> no aaa new-model
> ip subnet-zero
> ip cef
> !
> !
> !
> isdn switch-type primary-net5
> !
> !
> voice rtp send-recv
> !
> voice class codec 1
>  codec preference 1 g723ar53
>  codec preference 2 g723r53
>  codec preference 3 g729br8
>  codec preference 4 g729r8
> !
> !
> !
> !
> !
> !
> !
> !
> !
> !
> !
> controller E1 1/0
>  framing NO-CRC4
>  pri-group timeslots 1-6,16
> !
> !
> !
> interface FastEthernet0/0
>  ip address 192.168.100.100 255.255.255.0
>  no ip redirects
>  no ip proxy-arp
>  speed 100
>  full-duplex
>  h323-gateway voip interface
>  h323-gateway voip id OpenH323GK ipaddr 192.168.100.10 1719
>  h323-gateway voip h323-id telehouse
> !
> interface Serial0/0
>  ip address 192.168.0.1 255.255.255.0
> 
>  encapsulation ppp
>  no fair-queue
> !
> interface FastEthernet0/1
>  no ip address
>  shutdown
>  duplex auto
>  speed auto
> !
> interface Serial0/1
>  no ip address
>  shutdown
> !
> interface Serial1/0:15
>  no ip address
>  isdn switch-type primary-net5
>  isdn incoming-voice voice
>  keepalive 10
>  no cdp enable
> !
> no ip http server
> ip classless
> ip route 0.0.0.0 0.0.0.0 FastEthernet0/0
> !
> !
> !
> !
> voice-port 1/0:15
> !
> !
> !
> !
> !
> dial-peer voice 1 pots
>  destination-pattern 33
>  port 1/0:15
>  prefix 33
> !
> gateway
> !
> !
> line con 0
>  escape-character 3
> line aux 0
>  escape-character 3
> line vty 0 4
>  login local
>  escape-character 3
> !
> !
> end
> 
> I see on the forum but i don't see the same problem.
> 
> if you can help me 
> 
> thanks in advance
> 
> regards
> 
> 


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