A method in a second network node in a visited communication network, which visited communication network is visited by a user equipment, the method comprising: receiving, from a first network node in a home communication network, a reply message comprising subscription information for the user equipment, which subscription information comprises a first parameter indicating that the user equipment is allowed to use a multimedia service in the home communication network or in the visited communication network; selecting a serving gateway in the visited communication network; based on the first parameter, selecting a visited packet data network gateway, referred to as V-PDN GW, in the visited communication network when the user equipment is allowed to use the multimedia service in the visited communication network; based on the first parameter, selecting a home packet data network gateway, referred to as H-PDN GW, in the home communication network when the user equipment is allowed to use the multimedia service in the home communication network, wherein the selecting the V-PDN GW in the visited communication network when the user equipment is allowed to use the multimedia service in the visited communication network further comprises: selecting the V-PDN GW when there is an internet protocol multimedia subsystem, referred to as IMS, roaming agreement between the visited communication network and the home communication network; and wherein the selecting the H-PDN GW in the home communication network when the user equipment is allowed to use the multimedia service in the home communication network further comprises: selecting the H-PDN GW when there is a long term evolution, referred to as LTE, roaming agreement between the visited communication network and the home communication network. receiving, from a first network node in a home communication network, a reply message comprising subscription information for the user equipment, which subscription information comprises a first parameter indicating that the user equipment is allowed to use a multimedia service in the home communication network or in the visited communication network; selecting a serving gateway in the visited communication network; based on the first parameter, selecting a visited packet data network gateway, referred to as V-PDN GW, in the visited communication network when the user equipment is allowed to use the multimedia service in the visited communication network; based on the first parameter, selecting a home packet data network gateway, referred to as H-PDN GW, in the home communication network when the user equipment is allowed to use the multimedia service in the home communication network, wherein the selecting the V-PDN GW in the visited communication network when the user equipment is allowed to use the multimedia service in the visited communication network further comprises: selecting the V-PDN GW when there is an internet protocol multimedia subsystem, referred to as IMS, roaming agreement between the visited communication network and the home communication network; and wherein the selecting the H-PDN GW in the home communication network when the user equipment is allowed to use the multimedia service in the home communication network further comprises: selecting the H-PDN GW when there is a long term evolution, referred to as LTE, roaming agreement between the visited communication network and the home communication network. selecting the V-PDN GW when there is an internet protocol multimedia subsystem, referred to as IMS, roaming agreement between the visited communication network and the home communication network; and wherein the selecting the H-PDN GW in the home communication network when the user equipment is allowed to use the multimedia service in the home communication network further comprises: selecting the H-PDN GW when there is a long term evolution, referred to as LTE, roaming agreement between the visited communication network and the home communication network. selecting the H-PDN GW when there is a long term evolution, referred to as LTE, roaming agreement between the visited communication network and the home communication network.