Advanced Operational Parameters
A-213 41-001343-02 REV04 – 05.2014
Route Header in SIP Packet
Compact SIP Header
Rejection of INV or BYE
Parameter –
sip remove route
Configuration Files
aastra.cfg, <model>.cfg, <mac>.cfg
Description Enables and disables the addition of the Route header in a SIP packet. Enable this param-
eter for outbound proxies that do not support Route headers.
Note:
When enabled this will break all support for SIP routing, so if some other device in the
network attempts to add itself to the route it will fail.
Format Boolean
Default Value 0
Range 0 (disable - adds the Route header to the packet)
1 (enable - removes the Route header from the packet)
Example sip remove route: 1
Parameter –
sip compact headers
Configuration Files
aastra.cfg, <model>.cfg, <mac>.cfg
Description Enables or disables the IP phones to use compact SIP headers in the SIP packets sent
from the phone.
Format Boolean
Default Value 0 (disabled- uses long SIP header format)
Range 0 (disabled- uses long SIP header format)
1 (enabled- uses short (compact) SIP header format)
Example sip compact headers: 1
Parameter –
sip enforce require hdr
Configuration Files
aastra.cfg, <model>.cfg, <mac>.cfg
Description Enables and disables the rejection of an INV or BYE with a “420 Bad Extension” if the INV
or BYE contains an unsupported value in the REQUIRE header.
Format Integer
Default Value 0
Range 0 (disable)
1 (enable)
Example sip enforce require hdr: 1
