AASTRA 6700i series, 9143, 9480i, 9480i CT SIP Administrator Guide EN - Manual (Page 978)

41-001343-01 Rev 03, Release 3.2.2 A-247
Ignore Out of Order SIP Requests
Optional “Allow” and “Allow-Event” Headers
Parameter–
sip accept out of order
requests Configuration Files aastra.cfg, <model>.cfg, <mac>.cfg
Description Enables a workaround for non-compliant SIP devices (for example, Asterisk)
which do not increment the CSeq numbers in SIP requests sent to the
phone.
Format Boolean
Default Value 0 (disabled)
Range 0 (disabled)
1 (enabled)
Example sip accept out of order requests: 1
Parameter –
sip notify opt headers Configuration Files aastra.cfg, <model>.cfg, <mac>.cfg
Description Enables and disables whether or not the “Allow” and Allow-Events”
optional headers are included in the SIP NOTIFY messages sent from
the phone to the server.
Format Boolean
Default Value 1
Range 0 (disabled - optional headers are removed from the SIP NOTIFY
message)
1 (enabled - no change; optional headers are included in SIP NOTIFY
message)
Example sip notify opt headers: 0