From: loke (loke14@gmail.com)
Date: Sat Jan 07 2006 - 17:58:10 GMT-3
1. Probably Cisco is the biggests. Competition would include Avaya and 3com.
2. Call Manager 5 is very SIP oriented.
3. Call Manager 5 is on linux. Redhat Enterprise Linux (RHEL). It will not
have as many features as the M$ version. Mainly SIP functionality. Call
Manager 5 Beta was actually downloadable on ciscos website for a few months
until they sent an email out to everyone that downloaded it, saying that it
was a mistake and should of never been released to the public and please
destroy any copies of it.
4. With my experience, being a VoIP consultant, H323 is the most stable.
H323 relies on the router to do most of the work. MGCP relies on the call
manager to do most of the work. I havent worked with SIP much. SIP is very
similar to HTTP protocol. I know Vonage(VoIP Service Provider) uses SIP. I
have Vonage at my house which I have never had any problems with. I know
Vonage has over 1 million customers running on a SIP environment and it
seems stable, but I have never seen the actual internal of their network.
Google actually just bought Vonage.
5. Hope this answers your questions.
Nick
On 1/7/06, supernet <supernet@comcast.net> wrote:
>
> I don't know too much about VOIP but am wondering who the big players are.
> I
> have some questions, please help me understand:
>
> 1. Who's the biggest VOIP gear provider? Cisco? NT? Or Avaya?
>
> 2. I was told SIP will domain enterprise VOIP market, is it true? Cisco is
> not focusing on SIP, right?
>
> 3. Someone told me that Cisco will introduce CallManager on Linux soon but
> I
> couldn't find any info on this. Is it true?
>
> 4. For a CallManager environment, MGCP is the better choice than SIP and
> H323, right?
>
> Thanks.
>
> Yoshi
>
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