Aastra Telecom SISIP 57I CT - Manual (Page 405)

Operational, Basic, and Advanced Parameters
41-001160-00, Rev 01 Release 2.0 A-63
Configuration Parameters
Appendix A RTP, Codec, DTMF Global Settings
Parameter –
sip use basic codecs
Basic Codecs
(in Web UI)
Aastra Web UI Advanced Settings->Global SIP->RTP Settings
Configuration Files aastra.cfg, <mac>.cfg
Description Enables or disables basic codecs. Enabling this parameter allows the IP
phone to use the basic Codecs when sending/receiving RTP packets.
Format Boolean
Default Value 0
Range 0 - Disable
1 - Enable
Example sip use basic codecs: 1