AP-IP230 IP Phone Installation Guide Version 1.0
AddPac Technology Proprietary & Documentation
Network and Call Setup
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VoIP Configuration
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PSTN Prefix
When user wants to access the FXO interface for PSTN backup, this prefix number is used as PSTN
access code. Additionally, AP-IP230 IP phone supports the PSTN back-up service when VoIP service
is impossible due to network failure or VoIP call service is interrupted by an exception.
(Picture 4-47) PSTN Prefix Configuration Description
[Table 4-27] AP-IP230 IP Phone PSTN Prefix Configuration Screen Description
No.
Description
Number Input
PSTN prefix number is an access code for PSTN FXO
interface, default value is #.
Содержание AP-IP230
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