Aastra Telecom 41-001343-02 사용자 설명서

41-001343-02 REV04 – 05.2014

Parameter – 
sip remove silence suppression offer

Configuration Files
aastra.cfg, <model>.cfg, <mac>.cfg

Specifies whether or not the silence suppression attribute should be included in the 
Session Description Protocol (SDP) offer.
If enabled, the silence suppression attribute will be removed from the SDP offer. If dis-
abled, the attribute will not be removed from the SDP offer.

Note:
If the value of this parameter has changed, a reboot will be required for the change to 
take effect.

Boolean

0 (disabled)

0 (disabled)
1 (enabled)

sip remove silence suppression offer: 1

Parameter –
sip lineN dtmf method

(N is a line number from 1 to 9)

Configuration Files
aastra.cfg, <model>.cfg, <mac>.cfg

Sets the Dual-tone multifrequency (DTMF) method to use on the IP phone for a specific 
line.

Integer

0 (RTP)

0 (RTP)
1 (SIP INFO)
2 (BOTH)

sip line1 dtmf method: 1

Parameter – 
sip lineN srtp mode

(N is a line number from 1 to 9)

Configuration Files
aastra.cfg, <model>.cfg, <mac>.cfg

This parameter determines if SRTP is enabled on this line, as follows:

If set to -1, then use the global setting for this line. (This is the default setting.)

If set to 0, then disable SRTP.

If set to 1 then SRTP calls are preferred.

If set to 2, then SRTP calls only are generated/accepted.

Integer

0 (disabled)

-1
0
1
2

sip line1 srtp mode: 1