Hello,Customer is having an issue with two specific extension numbers having crosstalk, one extension hears the conversation of the other one without transfer, join, confer anything, it just happens. CME version is 15.1(4)M Do you have any idea why i...

Hola,como se utiliza la "extension mobility" en los teléfonos? ¿Que botones hay que apretar para iniciar sesión con un usuario?Gracias