人工渠道

1.打开 https://support2.giffgaff.com/app/ask

2.点击 Show more

3.选择 Account Details, settings and features

4.选择自己账户

5.点击 Enabling or disabling services（adult content,service bars,roaming）

6.点击 Call & texts

7.点击 Roming/international calls and texts

8.点击 No, I still need help from an agent

9.在信息栏输入（机翻，有条件可以自行编辑）

您好，我目前正在外出旅行。麻烦帮我关闭语音信箱服务，以免产生额外费用，非常感谢。

Hello, I'm currently travelling outside the UK. Could you please help me turn off my voicemail service completely to avoid any unexpected roaming charges? Thank you very much.

10.一般等待24小时左右客服回复就成功了。