RE: [Asterisk-Users] Dial command to connect two channels and bypassasterisk server

2006-02-14 Thread Wai Wu



If 
Asterisk is in the public network, it will work. The problem is when Asterisk is 
behind NAT and one of the client is also behind the same 
NAT.

  -Original Message-From: 
  [EMAIL PROTECTED] 
  [mailto:[EMAIL PROTECTED]On Behalf Of 
  turbySent: Tuesday, February 14, 2006 6:35 AMTo: 
  'Asterisk Users Mailing List - Non-Commercial Discussion'Subject: 
  RE: [Asterisk-Users] Dial command to connect two channels and bypassasterisk 
  server
  this is not usefull for public enviroment. clients behind 
  nat does not work...
  turby
  
  
  
  From: [EMAIL PROTECTED] 
  [mailto:[EMAIL PROTECTED] On Behalf Of Nitin 
  GuptaSent: Tuesday, February 14, 2006 10:51 AMTo: 
  Asterisk Users Mailing List - Non-Commercial DiscussionSubject: Re: 
  [Asterisk-Users] Dial command to connect two channels and bypass asterisk 
  server
  
  thanks for the information Peter, its really helpful. Also Ihave 
  one more question - do you have any idea how many such simultaneous calls can 
  an asterisk server handle (say running od 2.6Ghz, 1GB Ram, fedora machine)? 
  
  
  Thanks,
  Nitin
  On 2/13/06, Peter 
  Fern [EMAIL PROTECTED] wrote: 
  You 
can enable this on a per-peer basis with:sip 
peers:canreinvite=yesiax peers:notransfer=no Check 
the iax.conf.sample and sip.conf.sample files for usage.Nitin Gupta 
wrote: Hi I was wondering if its possible to make Dial command 
bridge two channels and after bridging bypass asterisk, so that the 
voice doesn't  need to pass through my asterisk 
server. For e.g., I have a user dialed in and he verifies 
himself and then dials an international extension, after the call 
connects I don't want the call to pass through asterisk server 
anymore. Is there any command  already there for any particular 
channel type? Thanks, 
Nitin___ 
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Re: [Asterisk-Users] Dial command to connect two channels and bypassasterisk server

2006-02-14 Thread Kevin P. Fleming
Wai Wu wrote:
 If Asterisk is in the public network, it will work. The problem is when 
 Asterisk is behind NAT and one of the client is also behind the same NAT.

No, it won't. If one of the clients is behind a NAT firewall, you cannot
tell that firewall to start accepting media directly from the other client.

In some situations it _may_ work, but it is not reliable.
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Re: [Asterisk-Users] Dial command to connect two channels and bypassasterisk server

2006-02-14 Thread Moises Silva
Unless you use SIP ALG (Application Layer Gateway) like the module in netfilter to set the expectations? correct?

RegardsOn 2/14/06, Kevin P. Fleming [EMAIL PROTECTED] wrote:
Wai Wu wrote:
If Asterisk is in the public network, it will work. The problem is when
Asterisk is behind NAT and one of the client is also behind the same
NAT.No, it won't. If one of the clients is behind a NAT firewall, you cannottell that firewall to start accepting media directly from the other client.In some situations it _may_ work, but it is not reliable.
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Re: [Asterisk-Users] Dial command to connect two channels and bypassasterisk server

2006-02-14 Thread Kevin P. Fleming
Moises Silva wrote:
 Unless you use SIP ALG (Application Layer Gateway) like the module in
 netfilter to set the expectations? correct?

If that exists on every NAT firewall in the path to both clients, yes.
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