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SIP Operation Manual V2.6
Transit Call Control
Inbound Call Control: To determine when users make a phone call from a PSTN to Gateway FXO
whether or not they check the inbound PIN code while using a VoIP －only effective for incoming
calls calling from a PSTN trunk.
Outbound Call Control: To determine when users utilize Gateway FXO interface to divert to a
PSTN whether or not they check the outbound PIN code － only effective for outgoing calls being
diverted to a PSTN Trunk.
PIN Code: Enter the PIN code (4-6 digits or leave blank. A blank indicates no PIN code is required
at this level. Generally, the PIN at level 5 can remain blank to simplify the phone number.)
Enable: Enables the PIN code at each level.
Privileges: The level is divided into 0~5 (The levels are in descending order; 0 stands for the highest
authority and 5 stands for the lowest.)
Description: If you wish to restrict a general user ( one who is not required to enter the PIN code) to
local calls only and prohibit him/her from making long-distance calls started with a prefix "0", do
the following steps: 1. Enable the Outbound Call Control function, 2. Set the PIN code for
Outbound Level 5 to blank, 3. Set the Long-Distance Control Table to correspond with the
Outbound Level 5 to prohibit making any call with the prefix "0" (as shown above).
Dialing principle to enable PIN code
*Inbound Call Control PIN Code * Outbound Call Control PIN Code * Phone number
Using * to the separate PIN code and the phone number based on actual settings. The PIN can also be
omitted.
Actual operation is shown below:
If making a call from Gateway A to Gateway B, and diverting to PSTN (local call)
When Gateway A and Gateway B has both disabled the Outbound Call Control, dial as follows:
Gateway B Number + Local Phone Number
For example: 5168 35020311#
When Gateway A disables Inbound Call Control and Gateway B enables Outbound Call Control, then dial
as follows:
* Gateway B PIN Code * Gateway B Number Local Phone Number
For example: *123456* 5168 35020311# (Gateway B PIN Code: 123456)
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