Aastra Telecom SISIP 57I CT - Manual (Page 408)

Operational, Basic, and Advanced Parameters
A-66 41-001160-00, Rev 01 Release 2.0
IP Phone Administrator Guide
Appendix A
Silence Suppression Settings
Parameter –
sip silence suppression
Silence Suppression
(in Web UI)
Aastra Web UI Advanced Settings->Global SIP->RTP Settings
Configuration Files aastra.cfg, .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