Aastra Telecom SIP 480I - Manual (Page 350)

Operational, Basic, and Advanced Parameters
A-60 41-001129-00 Rev 09, Release 1.4.1
IP Phone Administrator Guide
Appendix A
DTMF Per-Line Settings
Parameter –
sip dtmf method
DTMF Method
(in Web UI)
Aastra Web UI Advanced Settings->Global SIP->RTP Settings
Configuration Files aastra.cfg, .cfg
Description Sets the Dual-tone multifrequency (DTMF) method to use on the IP
phone.
Format Boolean
Default Value 0 (RTP)
Range 0 (RTP)
1 (SIP INFO)
2 (BOTH)
Example sip dtmf method: 1
Parameter –
sip lineN dtmf method
DTMF Method
(in Web UI)
Aastra Web UI Advanced Settings->Global SIP->RTP Settings
Configuration Files aastra.cfg, .cfg
Description Sets the Dual-tone multifrequency (DTMF) method to use on the IP
phone for a specific line.
Format Integer
Default Value 0 (RTP)
Range 0 (RTP)
1 (SIP INFO)
2 (BOTH)
Example sip line1 dtmf method: 1