Huawei C5610 User Manual page 28

Delete: allows you to delete the message.
Delete Multiple: allows you to delete multiple messages at a time.
Forward: allows you to forward the message.
Extract: allows you to extract the numbers contained in the message or
the number of the message sender. Then you can select Edit Before
Call, Call, or Save.
Your phone supports sending and receiving of long text messages
beyond the character limit for a single message. The duration of
receiving a complete long message depends on the network
condition. When a long message cannot be completely displayed,
select and read the long message again until the whole message
content is received.
Long messages can be saved in the phone memory only.
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