----- Original Message -----
> From: "Phuong Vo" <[email protected]>
> To: "Hanoi Linux Users Group" <[email protected]>
> Sent: Tuesday, May 17, 2011 7:27:14 PM
> Subject: Re: [HanoiLUG] [saigonlug] Re: Fwd: [ict-vn] Why Microsoft paid $8.5 
> billion for Skype, which is mostly free
> 
> http://www.gnu.org/software/sipwitch/
> 
> Vừa ra phiên bản 1.0, sự khác biệt của GNU Sipwitch là điểm này:
> "
> GNU SIP Witch is not a SIP "router", and does not try to address the
> same things as a project like iptel "Ser". GNU SIP Witch is being
> designed to create on-premise SIP telephone systems, telecenter
> servers, and Internet hosted SIP telephone systems. One important
> feature will include use of URI routing to support direct peer to
> peer
> calls between service domains over the public internet without
> needing
> mediation of an intermediary "service provider" so that people can
> publish and call sip: uri's unconstrained. GNU SIP Witch is about
> freedom to communicate and the removal of artifical barriers and
> constraints whether imposed by monopoly service providers or by
> governments.
> "
> Có vẻ khá có triển vọng.

Tóm lại là SIP server? Anh quen dùng Asterisk rồi!

Có ai đã dùng 1 dịch vụ SIP on-demand nào ngon thay thế ổn (không cần
quá xịn) cho Skype không nhỉ?

Kind regards, 
Tuan 
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