Step 4.Fill the pickup extension code in Expansion
Step 5.Press to save changes and you can see the status of
corresponding LED is solid green.
Step 6.Press button to make changes effective.
7.7.3.1 Parameters and Settings
If or not enable dial plan.
Choose the call mode from line1, line2.
Fill in the sequence used to match input number
The syntactic, please refer to the following Dial
Plan Syntactic
Choose the dial plan mode from Deny and Dial
Out.
Deny means IP622 will reject the matched number,
while Dial Out means IP622 allow dial out the
matched number.