Cisco SPA1112 Provisioning Manual page 120

Voice Parameters
<VoIP-To-PSTN_Gateway_Enable_3_>
<VoIP_Caller_Auth_Method_3_>
<VoIP_PIN_Max_Retry_3_>
<One_Stage_Dialing_3_>
<Line_1_VoIP_Caller_DP_3_>
<VoIP_Caller_Default_DP_3_>
<Line_1_Fallback_DP_3_>
Provisioning Guide for Cisco SPA100 and SPA200 Series Analog Telephone Adapters
Choose yes to enable or choose no to disable the VoIP-To-
PSTN Gateway functionality.
Default setting: yes
The method to authenticate a VoIP Caller to access the PSTN
gateway. Choose from none, PIN, or HTTP Digest.
Default setting: none
The number of times that a VoIP caller can attempt to enter a
PIN, if the VoIP Caller Auth Method is set to PIN.
Default setting: 3
Choose yes to enable or choose no to disable one-stage
dialing. This setting applies if the VoIP Caller Auth Method is
none or HTTP Digest, or if caller is in the Access List.
Default setting: yes
The index number of the dial plan to use when the VoIP Caller
is calling from Line 1 of the same ATA during normal operation
(in other words, not due to fallback to PSTN service when Line
1 VoIP service is down). the Authentication is skipped for Line
1 VoIP caller.
Default setting: 1
The index number of the dial plan to use when the VoIP Caller
is not authenticated.
Default setting: 1
The index number of the dial plan to use when the VoIP Caller
is calling from Line 1 of the same ATA due to fallback to PSTN
service when Line 1 VoIP service is down.
Default setting: none
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