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¿Qué hace falta para construir un Skype?
Saúl Ibarra Corretgé | AG Projects
Thursday, October 4, 2012
AG Projects
SIP Infrastructure Experts
Intro
• Hola, soy @saghul
• EnVoIP desde el 2005
• Hablemos sobre el maligno
Thursday, October 4, 2012
AG Projects
SIP Infrastructure Experts
AG Projects
• Infraestructura SIP
• SIP Thor: Plataforma
SIP con escalabilidad
horizontal mediante
P2P
• Proyectos Open
Source
• Blink
• SIP SIMPLE SDK
• SylkServer
• MediaProxy
• OpenXCAP
• MSRPRelay
Thursday, October 4, 2012
¿Qué es Skype?
Thursday, October 4, 2012
Thursday, October 4, 2012
Características
Thursday, October 4, 2012
Audio yVideo
Thursday, October 4, 2012
AG Projects
SIP Infrastructure Experts
Audio yVideo
• Audio en HD, codec SILK
• Video en ~HD
• No en todos los dispositivos
• SILK es “parte” de Opus
Thursday, October 4, 2012
Conferencias
Thursday, October 4, 2012
AG Projects
SIP Infrastructure Experts
Conferencias
• Fáciles de crear
• Información sobre participantes
• Necesario soporte del lado servidor
Thursday, October 4, 2012
Chat
Thursday, October 4, 2012
AG Projects
SIP Infrastructure Experts
Chat
• Chat entre usuarios y en grupo
• Replicación de mensajes
• Guardado de mensajes offline
Thursday, October 4, 2012
Seguridad
Thursday, October 4, 2012
AG Projects
SIP Infrastructure Experts
Seguridad
• En principio nadie puede escuchar nuestras
llamadas
• Hello China!
• Círculo de confianza proporcionado por el
operador (el mismo Skype)
Thursday, October 4, 2012
Usuarios, muchos usuarios
Thursday, October 4, 2012
AG Projects
SIP Infrastructure Experts
Thursday, October 4, 2012
“Fácil” de usar
Thursday, October 4, 2012
Thursday, October 4, 2012
Presencia
Thursday, October 4, 2012
AG Projects
SIP Infrastructure Experts
Presencia
• Implícita
• Llamar porVoIP o por PSTN
•Implementada desde el día 0
Thursday, October 4, 2012
Thursday, October 4, 2012
Diseñando una alternativa abierta
Thursday, October 4, 2012
AG Projects
SIP Infrastructure Experts
Diseñando una alternativa abierta
• Estándares Abiertos
• Open Source
• Servicio distribuido, federación
• Excelente UI y UX
• Aplicación + servicio
Thursday, October 4, 2012
AG Projects
SIP Infrastructure Experts
Provider BProvider A
Registrar
DB
Proxy
DB
Thursday, October 4, 2012
AG Projects
SIP Infrastructure Experts
SIP SIMPLE Client SDK
Thursday, October 4, 2012
AG Projects
SIP Infrastructure Experts
SIP SIMPLE Client SDK
• Core de funcionalidades que necesitamos
• API en Python
• Software Libre
Thursday, October 4, 2012
AG Projects
SIP Infrastructure Experts
Hi all,
HopeYou all doing well.I am very new to pjsip(I am using
pjproject1.10) for window application.I already completed
Graphical user interface,in which there is login,log out,call,end
buttons. But I am unable to intigrate it with pjsip.which
function I have to call for the respective buttons.Can
somebody help me on this regards?
Thanks in advance.
- User on PJSIP’s mailing list
Thursday, October 4, 2012
AG Projects
SIP Infrastructure Experts
Blink
Thursday, October 4, 2012
AG Projects
SIP Infrastructure Experts
Blink
• Audio en HD
• Chat basado en sesiones
• Presencia
• Conferencias en cliente y servidor
• Fácil de usar
•usuario@dominio
Thursday, October 4, 2012
AG Projects
SIP Infrastructure Experts
SylkServer
Thursday, October 4, 2012
AG Projects
SIP Infrastructure Experts
SylkServer
• Conferencias de audio en HD
• Información extra sobre participantes
• Control de la conferencia
• Chat en grupo
•Gateway a XMPP
Thursday, October 4, 2012
AG Projects
SIP Infrastructure Experts
Gateway a XMPP
• Pasarela a millones de usuarios
• Aunque distintos, XMPP y SIP son similares
• SylkServer XMPP gateway
• Chat
• Presencia
• MUC (chat en grupo)
Thursday, October 4, 2012
Problemas
Thursday, October 4, 2012
AG Projects
SIP Infrastructure Experts
Adopción de estándares
• MSRP es utilizado en RCS
• Pero es un walled garden
• draft-simple-chat, pronto un RFC
• Presencia con XCAP
• Interoperabilidad
Thursday, October 4, 2012
AG Projects
SIP Infrastructure Experts
Presencia
• “SIMPLE is not simple”
• Solución
• Diseñar un modelo de datos sobre
SIMPLE y OMA
• 2 años después, casi lo tenemos
terminado
• Blink Pro 2.0.0
Thursday, October 4, 2012
Thursday, October 4, 2012
If you spend all your time looking at your competition,
your product will look like your competitor’s ass.
- Mike Lee
Thursday, October 4, 2012
AG Projects
SIP Infrastructure Experts
Thursday, October 4, 2012
AG Projects
SIP Infrastructure Experts
BYE sip:audience@voip2day SIP/2.0
Via: SIP/2.0/UDP 192.168.99.23:49919;rport;branch=z9hG4bKPjDb30Dx0sH7aM
Max-Forwards: 70
From: "saghul" <sip:saul@ag-projects.com>;tag=UCpGKVZbQQx7BUK
To: <sip:audience@voip2day>;tag=as59aef35c
Call-ID: DEWDfu63OACwYeQk7MrhmRhRq.1cqqis
CSeq: 10633 BYE
Route: <sip:81.23.228.129;lr;ftag=UCpGKVZbQQx7BUKY;did=641.a8a9c553>
User-Agent: Blink
Content-Length: 0
@saghul
saul@ag-projects.com
sip:saul@ag-projects.com
Thursday, October 4, 2012

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voip2day 2012 - Que hace falta para construir un skype by saul ibarra