| 摘要 |
In a portable communication device, such as a cellular phone, an identification data signal which includes both a directory number and a mail number of the other party is automatically registered in a memory of the portable communication device during a pause period in conversation. Both a bearer's directory number and mail address are automatically also transmitted to the other party during the pause period. This dispenses with manual complex operation for registering the directory number and the mail address in each portable communication device.
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