[SIPForum-discussion] which one is better

[Rommel]

Protocols inherently do whatever task they were built to do.   SIP is
another protocol designed with distributed intelligent endpoints that are
doing more than starting a media session.  Since it is not as restrictive as
H.323, it is viewed as "better."
 
A gatekeeper is not exactly like asterisk.  Its function is to aid in
routing.  This allowed for hierarchical routing techniques using concepts
such as zones to help that.  There were registration states with a
gatekeeper much like a registrar, but someone different.
 
Is one better than the other, the proper answer is that it depends.  There
is more focus on SIP so you will hear much discussion about SIP being the
panacea of VoIP.
 
Bottom line, it does some things, its flexible, people think its great.
That mindshare lends folks to believe that SIP is great.  My suggestion is
that you determine if it does what you need it to do, if it does, then
great, it may be a great protocol for you.  Dont get me wrong, SIP is easy
to implement, much more extensible than H.323, and deals with more than just
audio than H.323.  Its a great protocol, and can do some cool sexy things.
Does it do what you need it to do?  That is how you determine if a protocol
is better than the other.
 
If you could do voice over ducks, more reliably, with zero downtime, and
minimal cost people would be implementing voice over ducks.  Dont believe
the hype.
 
Regards,
 
Rommel
 
 
 

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From: discussion-bounces at sipforum.org
[mailto:discussion-bounces at sipforum.org] On Behalf Of wellya
Sent: Saturday, May 19, 2007 9:43 PM
To: K S Sandeep; Muhammad Umair
Cc: sip
Subject: Re: [SIPForum-discussion] which one is better


Sandeep is right ,thx
 
  _____  

wellya
2007-05-20
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发件人： K S Sandeep
发送时间： 2007-05-15 23:53:24
收件人： Muhammad Umair
抄送： sip
主题： Re: [SIPForum-discussion] which one is better
 
Hi Umair,

     Currently H.323 is in use. But the trend is towards majority using SIP.
This is because SIP is better that H.323 in respects like simple text
protocol, which is easy to understand and implement. And also the extensions
also can be easily incorporated without much changes. 

Regarding H.323 Gatekeeper, it does the exact functionality of that of the
asterisk, i.e. it acts as a proxy between two different H.323 end points.
The normal procedures of the H.323 end points registering with the
gatekeeper, and then initiating a call to another registered H.323 endpoint.
Of course, the H.323 gatekeeper supports only H.323 protocol and not any
other. So don't confuse it with a call server, or call signaling gateway.

Regards
Sandeep


On 5/9/07, Muhammad Umair <umair3210 at yahoo.com> wrote: 

hi to all,
 
is sip better then h323? and y 
 
and one more thing is h323 gatekeeper same as asterisk?
 
thnx in advance



  _____  

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