Aastra Telecom 55I User Manual
Operational, Basic, and Advanced Parameters
A-80
41-001160-00, Release 2.1, Rev 04
IP Phone Administrator Guide
Appendix A
Per-Line Settings
Parameter –
sip silence suppression
sip silence suppression
Silence Suppression
(in Web UI)
(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.
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)
1 (enabled)
Example
sip silence suppression: 0
Parameter –
sip lineN dtmf method
sip lineN dtmf method
DTMF Method
(in Web UI)
(in Web UI)
Aastra Web UI
Advanced Settings->Global SIP->RTP Settings
Configuration Files aastra.cfg, <mac>.cfg
Description
Sets the Dual-tone multifrequency (DTMF) method to use on the IP
phone for a specific line.
phone for a specific line.
Format
Integer
Default Value
0 (RTP)
Range
0 (RTP)
1 (SIP INFO)
2 (BOTH)
1 (SIP INFO)
2 (BOTH)
Example
sip line1 dtmf method: 1