Yealink SIP-T21 - Manual (Page 68)

User Guide for the SIP-T21P/SIP-T21 IP Phone
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phone to dial out the phone number automatically, which matches a dial-now rule, after
the specified delay time.
To configure the delay time for dial-now rule via web user interface:
1. Click on Features->General Information.
2. Enter the time within 1-14 (in seconds) in the Time-Out for Dial-Now Rule field.
3. Click Confirm to accept the change.
Note
Area codes are also known as Numbering Plan Areas (NPAs). They usually indicate
geographical areas in a country. This feature is necessary only when dialing the number
outside the code area. For example, area code is configured as “Code: 0592, Min
Length: 4, Max Length: 11”, then when you dial out the number “56789”, which has the
digits between 4 to 11, the phone will add the area code and dial out the number
“059256789”. You can only configure one area code rule on your phone.
To configure the area code via web user interface:
1. Click on Settings->Dial Plan->Area Code.
2. Enter the desired values in the Code, Min Length (1-15) and Max Length (1-15)
fields.
3. Enter the desired line ID in the Account field or leave it blank.
Delay time for dial-now rule is configurable via web user interface only.