A method of providing translations in a system during a conference call, the system including a conference call server, a communication device, a translation server, and a service management platform for establishing and directing media streams, and a private branch exchange, PBX, the conference call having a call language, the method comprising: receiving, during the conference call, at the service management platform, a language selection from the communication device, wherein the selected language differs from the call language; routing media from the device to the conference server through the translation server; routing media from the conference server to the device through the translation server; and, at the translation server, translating media from the device into the call language before transmitting it to the conference server, and translating media from the conference server into the selected language before transmitting it to the device, wherein routing media from the device to the conference server through the translation server comprises directing the PBX to send media intended for the conference server to the translation server, wherein directing the PBX to send media to the translation server comprises: sending an INVITE message from the service management platform to the PBX including cellular session description protocol, and sending a RE-INVITE message from the service management platform to the PBX including session description protocol address information for an upflow translation server port within a first dialog established for the conference call. receiving, during the conference call, at the service management platform, a language selection from the communication device, wherein the selected language differs from the call language; routing media from the device to the conference server through the translation server; routing media from the conference server to the device through the translation server; and, at the translation server, translating media from the device into the call language before transmitting it to the conference server, and translating media from the conference server into the selected language before transmitting it to the device, wherein routing media from the device to the conference server through the translation server comprises directing the PBX to send media intended for the conference server to the translation server, wherein directing the PBX to send media to the translation server comprises: sending an INVITE message from the service management platform to the PBX including cellular session description protocol, and sending a RE-INVITE message from the service management platform to the PBX including session description protocol address information for an upflow translation server port within a first dialog established for the conference call. sending an INVITE message from the service management platform to the PBX including cellular session description protocol, and sending a RE-INVITE message from the service management platform to the PBX including session description protocol address information for an upflow translation server port within a first dialog established for the conference call.