Re: [OpenH323]How do i establish connection between two endpoints which are in WAN Using Gatekeeper

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The first step should be posting to the right list
openh323gk-users@xxxxxxxxxxxxxxxxxxxxx
(I'm forwarding the message). The second - examining GnuGk log (at trace
level 5).
The third - if there arer firewalls/NAT on the way - you will likely run
into problems.

----- Original Message ----- From: "pilli Jyothi" <pilli.jyothi@xxxxxxxxx>
Sent: Thursday, November 11, 2004 11:23 AM



Hi Ulises,

  Haven't get any reply to my previous messages which i send u already

  I have a problems to configure the gnugk in WAN hope will get solution
  to my problem.

  I want to make a call from Endpoint A which is at one state (say in
India) and also registered
  itself with registered with Gatekeeper running at the same place in
routed mode.

  and other endpoint B which is running at other states(say Other
than India), has to registered with gatekeeper
  running at Endpoint A. this is what i want to do

  Ue(A)<-----> GnuGk<------>Ue(B)

  But finding probelm when Endpoint B is trying to register itself
with gatekeeper....
  endpoint A is registered properly

  But the same thing is working fine at LAN and also through Net in local
place

  Can any one tell me do i need to do any settings or need to change
configuration

  file to establish a connection between the above endpoints with
gatekeeper

  configuration file of gatekeeper is as below. (routed Mode)

regards
jyothi

##[Gatekeeper::Main]

Fourtytwo=42

Name = WIFI GateKeeper
TimeToLive=600

TotalBandwidth = 100000

[RoutedMode];
call signalling (Q.931) routed

GKRouted=1;
control channel (H.245) routed

H245Routed=1;
use 1721 as the port of call signalling

CallSignalPort=1721;
for dual CPUs

CallSignalHandlerNumber=2;
accept calls from neighbor gatekeepers

AcceptNeighborsCalls=1;
don't accept calls from unregistered endpoints

AcceptUnregisteredCalls=0;

force to stay in tunneling mode if Tunneling flag is TRUE

RemoveH245AddressOnTunneling=1;

send Release Complete to drop calls
DropCallsByReleaseComplete=1;

send Release Complete on receiving DRQ

SendReleaseCompleteOnDRQ=1;

accept registration of an endpoint behind an NAT box

SupportNATedEndpoints=1;

port range for Q.931 channel

Q931PortRange=30000-39999;

port range for H.245 channel

H245PortRange=40000-49999

[Proxy]
Enable=0

[GkStatus::Auth]
rule=allow
# EOF

On Thu, 04 Nov 2004 10:58:44 -0600, Ulises Salvador Vega Arteaga
<ulises.vega@xxxxxxxxxxxxxx> wrote:
Hi, i've been trying without succes.
As you said it works fine with netmeeting in both directions.
If you can help me to find what exactlty netmeeting does in order to
establish connections, that would be a lot of  help?
In the same way, if you are able to findout  if a cisco ubr7246 if able
to block incoming calls for h.323 by product id, manufacturer or
something like that? It'll be great.
I think that may be my mycable company has product form Quintum
(www.quintum.com ) to manage h.323 calls, what about you?
I tried to fake netmeeting identity in my  h.323 application i made it,
but the call  establishment is still  without succes, have you tried
that.?

does anybody on the list know what exactly netmeeting does to establish
a call?



pilli Jyothi wrote:

>Hi,
>
>     I've been running some test of H.323 over cable networks with the
>following configuration
>
>     epA(1)-----------------(2) || GK ||(3) ----------(4)|| ISP over
> Cable
>
>This the scenario where i try to test for audio
>
>   epA(1) is an endpoint and having Static IP.
>
>   || X|| , doble parallel bars means firewall, X represents what is in
> the
>middle
>
>   *ISP over Cable network , at (4) will get Dynamic IP when connected
> to Net
>
>* When i try to make a call from my PC ( has Static IP) to the remote
>system which is having Dynamic IPconnected through cable connection is
>getting cleared
>
>Can u tell me how to establish connection between these two endpoints
>if i want to have voice chat...
>
>Thanks & regards
>jyothi
>
>
>
>On Wed, 20 Oct 2004 17:43:00 -0600, Ulises Salvador Vega Arteaga
><ulises.vega@xxxxxxxxxxxxxx> wrote:
>
>
>>I  ran the test with Netmeeting 3.01 at noon,  and it ran well.
>>Any idea how could i check why there is no audio transmission over a
>>cable network  while using openh323.?
>>
>>Thanks in advanced.
>>
>>Ulises Vega
>>
>>
>>
>>Ulises Salvador Vega Arteaga wrote:
>>
>>
>>
>>>Hi,
>>>
>>>I've been running some test of H.323 over cable networks with the
>>>following configuration
>>>
>>>
>>>epA(1)-----------------(2) || GK ||(3) ----------(4)|| ISP over Cable
>>>network ||(5)--------(6)epB, epC (epB, and epC use same ip address but
>>>different siganling, ras, and rtp ports)
>>>
>>>|_____(7)epD,epE (dial-up connection 56kbps)
>>>
>>>                    (epD, and epE use same ip address but different
>>>siganling, ras, and rtp ports)
>>>
>>>(ep, means endpoint)
>>>|| X|| , doble parallel bars means firewall, X represents what is in
>>>the middle
>>>*epA is on  private ip at (1),
>>>
>>>*GK is on a firewall on a server running linux redhat, working fine as
>>>a proxy (I know this becuase i've tested voice transmission from
>>>dial-up connection outside of the firewall as shown in epD at (7) and
>>>I can communicate very clearly with epA, bidirectionally with no
>>>problem).
>>>
>>>*ISP over Cable network , at (4) has a fixed public IP address
>>>attached to epB by MAC matching,
>>>                                          at (5) has private IP
>>> adress.
>>>
>>>*epB at 6 has private IP address
>>>
>>>
>>>The situation is a s follows: from epB,  i can registert to the GK,
>>>establish a call up (setup, connect, opening of audio channels), but
>>>udp packets that carry voice cannot pass to epA,or epC, even more
>>>I cannot hear myself  when i call epC from epB, eventhough as i said
>>>before, connectino is established (arq, acf, setup,..., until opening
>>>of audio channels work fine).
>>>
>>>Some interesting points might be:
>>>*I have disabled bandwidht management at GK, the requested bandwidht
>>>by any ep is 100000 (as default value for initialbandwidth in
>>>H323Endpoint). I don't think it is a bandwith problem
>>>because I'm receving ACF from GK. And more, I dont get a connection
>>>cleared message with rease NoBandwidthAvailable, even more, audio
>>>channels don't get broken because i can stay on the call hearing
>>>nothing for as long as i want.
>>>*The same operation was done on dialup connection  (epD,epE) and works
>>>fine.
>>>
>>>Question:
>>>*what should  i do to hear myself at least  locally (my PC, between
>>>epB, and epC) behind cable network LAN?
>>>*what effect might cause a cablemodem on the PC strong enough to not
>>>allow  hearing myself  on the same PC?
>>>*in general, any idea? links that i could rview
>>>*I'm about to run Netmeeting over the cable network to the ouside
>>>world to see if ti works, has somebody tried this at home?
>>>
>>>
>>>Best regards.
>>>
>>>
>>>Ulises Vega



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