Customizing SPA9x2 Extensions

Dial Plan Parameters

Parameter

Description

 

 

DTMF Process AVT

Select yes to process RTP DTMF events. Otherwise, select no. If

 

this parameter is set to no, the AVT payload type is not included

 

in outbound SDP.

 

Defaults to yes.

 

 

Silence Supp Enable

To enable silence suppression so that silent audio frames are not

 

transmitted, select yes. Otherwise, select no. See ”Factors Affecting

 

Voice Quality” section on page 39.

 

Defaults to no.

 

 

DTMF Tx Method

Select the method to transmit DTMF signals to the far end: InBand,

 

audio video transport (AVT), INFO, Auto, InBand+INFO, or AVT+INFO.

 

InBand sends DTMF using the audio path. AVT sends DTMF as AVT

 

events. INFO uses the SIP INFO method. Auto uses InBand or AVT

 

based on the outcome of codec negotiation.

 

Defaults to Auto.

 

 

Dial Plan Parameters

You can configure a dial plan with three interdigit timers:

Initial timeout (T)—Handset off hook; no digit pressed yet.

Long timeout (L)—One or more digits pressed, more digits needed to reach a valid number (as per the dial plan).

Short timeout (S)—Current dialed number is valid, but more digits would also lead to a valid number.

Linksys SPA9x2 Phone Administration Guide

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Linksys SPA962, SPA942, SPA932, SPA922 manual Dial Plan Parameters