Aastra 9143i Series Administrator's Manual page 891

Parameter –
sip srtp mode
RTP Encryption
(in Web UI)
Description
Format
Default Value
Range
Example
Parameter –
sip silence suppression
Silence Suppression
(in Web UI)
Description
Format
Default Value
Range
Example
41-001160-03, Rev 00, Release 2.4
Operational, Basic, and Advanced Parameters
Aastra Web UI
Configuration Files aastra.cfg, <mac>.cfg
This parameter determines if SRTP is enabled on this IP phone, as
follows:
• 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 (SRTP Disabled)
0 (SRTP Disabled)
1 (SRTP Preferred)
2 (SRTP Only)
sip srtp mode: 1
Aastra Web UI
Configuration Files
Silence suppression is enabled by default on the IP phones. The phone
negotiates whether or not to use silence suppression. Disabling this
feature forces the phone to ignore any negotiated value.
Boolean
1 (enabled)
0 (disabled)
1 (enabled)
sip silence suppression: 0
Advanced Settings->Global SIP->
RTP Settings
Advanced Settings->Global SIP->RTP Settings
aastra.cfg, <mac>.cfg
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