Aastra Telecom 41-001343-02 manual Route Header in SIP Packet, Compact SIP Header

Advanced Operational Parameters

Route Header in SIP Packet

Parameter –	Configuration Files
sip remove route	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

Compact SIP Header

Parameter –	Configuration Files
sip compact headers	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

Rejection of INV or BYE

Parameter –	Configuration Files
sip enforce require hdr	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

A-213 41-001343-02 REV04 – 05.2014