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Buenas tardes
Tengo un cliente que hemos montado una PBX en la Nube de 3cx y estaba trabajando por STUN.(cliente no quería poner equipos intermedios)
Al final he conseguido poder montar un equipo SBC para que no trabajen por STUN ya que tienen varios problemas
El tema es que he configurado un departamento por SBC y tengo un problema. Cuando hago una llamada interna funciona correctamente pero si es externa, tarda 30 segundos en realizar la llamada. Si lo intento varias veces se reduce el tiempo hasta realizarla pero siempre tarda. ¿que puede ser?¿Que he configurado mal?
Es que no quiero poner el otro departamento ya que es donde entran llamadas sin parar y tengo que asegurarme que funciona todo al 100%
Buenas Alejandro
He realizado la prueba que indicas y el resultado es que hoy ha funcionado correctamente...por lo que me deja mas inquieto
Los Teléfonos son YEALINK SIP-T33G con la versión FW 124.86.0.40. He revisado en la web de Yealink y es la que está actualmente
La configuración que les hice a las extensiones es la de "Aprovisionamiento de Teléfono" poniendo SBC 3cx y en IP del SBC la del SBC que se creó
Luego tengo marcado en opciones "Bloquear teléfonos remotos usando Stun ... ¿Es correcto verdad?
El SBC está montado sobre equipo Windows10 (máquina virtual con 4 procesadores y 8gb de RAM)
La versión que tiene instalada es la 16.2.24
Ahora mismo tengo 9 Agentes detrás del SBC
La prueba del FW es :
resolving 'stun-eu.3cx.com'... done
resolving 'stun2.3cx.com'... done
resolving 'stun3.3cx.com'... done
resolving 'sip-alg-detector.3cx.com'... done
testing 3CX PhoneSystem 01 SIP Server... done
stopping service... done
detecting SIP ALG... not detected
testing port 5060... done
starting service... done
testing 3CX PhoneSystem Media Server... done
stopping service... done
testing port 5090... done
testing ports [9000..9398]... done
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He estado revisando la documentación de los puertos a configurar y veo esto...
Configurar Puertos para Teléfonos IP Remotos / Puentes via SIP Directo
Para los Teléfonos IP remotos y puentes tienen la opción de usar el 3CX SBC (Túnel) o Direct SIP. El servicio 3CX SBC agrupa todo el tráfico VoIP sobre un solo puerto, simplificando bastante la configuración de firewall y mejorando la confiabilidad. No se requiere ninguna configuración adicional porque 3CX SBC utilizará los mismos puertos que utilizan las Apps 3CX. Mayor información sobre SBC se puede encontrar aquí.
Para conectar extensiones remotas a través de SIP Directo, debe abrir los siguientes puertos:
Puerto 5060 (entrante, UDP y TCP), Puerto 5061 (entrante, TCP) (si se utiliza SIP seguro) - ya se encuentra abierto si utiliza Troncales SIP.
Puertos 9000-10999 (entrante, UDP) para RTP - ya se encuentran abiertos si utiliza Troncales SIP.
Puerto 443 o 5001 (entrante, TCP) HTTPs para el aprovisionamiento. (A menos que haya elegido puertos personalizados).
¿Sería correcto? ¿los Puertos son 5060, 9000-10999, 5001 o serían otros? ¿Es la misma configuración que para un troncal SIP verdad?
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