Advanced Operational Parameters
A-172 41-001160-00, Release 2.1, Rev 04
IP Phone Administrator Guide
Appendix A
Advanced Operational Parameters

The following parameters in this section allow the system administrator to set

advanced operational features on the IP phones.

Blind Transfer Setting

Parameter –
sip cancel after blind transfer
Configuration Files aastra.cfg, <mac>.cfg
Description Forces the phone to use the Blind Transfer method available in software
prior to release 1.4. This method sends the CANCEL message after the
REFER message when blind transferring a call.
Format Boolean
Default Value 0 (disabled)
Range 0 (disabled)
1 (enabled)
Example sip cancel after blind transfer: 1