Cisco SPA1001 Administration Guide - Page 77

VoIP Outbound Call Routing

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Chapter 4 Configuring the PSTN Gateway (FXO) How PSTN-To-VoIP Calls Work Table 1-29 Terminating Gateway Call Parameters Parameter Group Detect CPC: PSTN Line Detect Long Silence: PSTN Line Long Silence Duration: PSTN Line Disconnect Tone: PSTN Line Detect Polarity Reversal: PSTN Line Detect Disconnect Tone: Silence Threshold: PSTN Line PSTN Line Description Values If yes, SPA3102 detects CPC as a disconnect signal. Yes or No Default = Yes If yes, SPA3102 detects prolonged silence period as Yes or No a disconnect signal. Default = Yes The minimum duration of continuous silence before 10-255 the SPA3102 disconnects the call, if is enabled. Default = 30 (s) Tone Script of the disconnect tone to detect. Default ToneScript = "480@-30,620@-30;4(.25/.25/1+2)". Note: The SPA3102 supports two frequency components. If the tone has only one frequency, use the same value for both frequencies. Each cadence segment must have the same frequency. The level value is the threshold to detect each tone. The total duration is the minimum duration of the tone to be recognized as the disconnect tone If yes, SPA3102 interprets polarity reversal as a disconnect signal. Yes or No On an inbound PSTN call, SPA3102 disconnects on the first polarity reversal. On an outbound PSTN call, SPA3102 disconnects on the second polarity reversal (because the first polarity reversal indicates the outbound call is connected). Default = Yes If yes, SPA3102 interprets the disconnect tone as specified in as the disconnect signal. Default = Yes Yes or No This is the signal energy threshold. Below this threshold is considered silence. Default = medium very low, low, medium, high, very high VoIP Outbound Call Routing Calls made from Line 1 are routed through the configured Line 1 service provider, by default. You can override this behavior by IP dialing, through which the calls can be routed to any IP address entered by the user. SPA3102 allows flexible call routing with four sets of gateway parameters and configurable dial plans. Table 1-30 lists VoIP outbound call routing parameters. Document Version 3.1 Linksys ATA Administrator Guide 4-5

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4-5
Linksys ATA
Administrator Guide
Document Version 3.1
Chapter 4
Configuring the PSTN Gateway (FXO)
How PSTN-To-VoIP Calls Work
VoIP Outbound Call Routing
Calls made from Line 1 are routed through the configured Line 1 service provider, by default. You can
override this behavior by IP dialing, through which the calls can be routed to any IP address entered by
the user. SPA3102 allows flexible call routing with four sets of gateway parameters and configurable
dial plans.
Table 1-30
lists VoIP outbound call routing parameters.
Table 1-29
Terminating Gateway Call Parameters
Parameter
Group
Description
Values
Detect CPC:
PSTN
Line
If yes, SPA3102 detects CPC as a disconnect signal.
Default = Yes
Yes or No
Detect Long Silence:
PSTN
Line
If yes, SPA3102 detects prolonged silence period as
a disconnect signal. Default = Yes
Yes or No
Long Silence Duration:
PSTN
Line
The minimum duration of continuous silence before
the SPA3102 disconnects the call, if <Detect Long
Silence> is enabled. Default = 30 (s)
10-255
Disconnect Tone:
PSTN
Line
Tone Script of the disconnect tone to detect. Default
= “480@-30,620@-30;4(.25/.25/1+2)”. Note:
The SPA3102 supports two frequency components.
If the tone has only one frequency, use the same
value for both frequencies.
Each cadence segment must have the same
frequency.
The level value is the threshold to detect each tone.
The total duration is the minimum duration of the
tone to be recognized as the disconnect tone
ToneScript
Detect Polarity
Reversal:
PSTN
Line
If yes, SPA3102 interprets polarity reversal as a
disconnect signal.
On an inbound PSTN call, SPA3102 disconnects on
the first polarity reversal. On an outbound PSTN
call, SPA3102 disconnects on the second polarity
reversal (because the first polarity reversal indicates
the outbound call is connected). Default = Yes
Yes or No
Detect Disconnect
Tone:
PSTN
Line
If yes, SPA3102 interprets the disconnect tone as
specified in <Disconnect Tone> as the disconnect
signal. Default = Yes
Yes or No
Silence Threshold:
PSTN
Line
This is the signal energy threshold. Below this
threshold is considered silence. Default = medium
very low,
low,
medium,
high, very
high