Operational, Basic, and Advanced Parameters
41-001160-04 Rev 02, Release 2.5
A-137
Parameter
–
sip srtp mode
RTP Encryption
(in Web UI)
Aastra Web UI
Advanced Settings->Global SIP->
RTP Settings
Configuration Files
aastra.cfg, <mac>.cfg
Description
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.
Format
Integer
Default Value
0 (SRTP Disabled)
Range
0 (SRTP Disabled)
1 (SRTP Preferred)
2 (SRTP Only)
Example
sip srtp mode: 1
Parameter
–
sip silence suppression
Silence Suppression
(in Web UI)
Aastra Web UI
Advanced Settings->Global SIP->RTP Settings
Configuration Files
aastra.cfg, <mac>.cfg
Description
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.
Format
Boolean
Default Value
1 (enabled)
Range
0 (disabled)
1 (enabled)
Example
sip silence suppression: 0
Summary of Contents for 9143i Series
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