AudioCodes Mediant 4000 SBC User Manual page 893

User's Manual
Parameter
Handle P-Asserted-Identity
configure voip > sbc settings > p-assert-id
[SBCAssertIdentity]
Keep original user in Register
configure voip > sbc settings >
keep-contact-user-in-reg
[SBCKeepContactUserinRegister]
SBC Remote Refer Behavior
configure voip > sbc settings > sbc-refer-bhvr
[SBCReferBehavior]
Version 7.2
60. Configuration Parameters Reference
Description
the user part.
Global parameter that defines the handling of the SIP
P-Asserted-Identity header. You can also configure
this functionality per specific calls, using IP Profiles
(IpProfile_SBCAssertIdentity). For a detailed
description of the parameter and for configuring this
functionality in the IP Profiles table, see ''Configuring
IP Profiles'' on page 418.
Note: If this functionality is configured for a specific IP
Profile, the settings of this global parameter is ignored
for calls associated with the IP Profile.
Defines the device's handling of the SIP Contact
header in REGISTER requests which it forwards as
the outgoing message.

[0] Do not keep user; override with unique identifier
= (Default) The device replaces the user part of the
Contact header with a unique value, for example:

Incoming Contact Header:
<sip:123@domain.com>

Outgoing Contact Header: <sip:FEU1-7-1-
3@SBC>

[1] keep user without unique identifier = The device
retains the original user part value of the Contact
header in the outgoing REGISTER request.

[2] Keep user; add unique identifier as URI
parameter = The device retains the original user
part value of the Contact header in the outgoing
REGISTER request. In addition, it adds the special
URI parameter "ac-feu=<identifier>" to the Contact
header, which is used to differentiate between two
SIP entities with the same user part. The identifier
value is generated by the device.

Incoming Contact Header:
<sip:123@domain.com>

Outgoing Contact Header: <sip:123@SBC;ac-
feu=1-7-1-3>
Note:

The parameter is applicable only to REGISTER
messages received from User-type IP Groups
which are sent to Server-type IP Groups.

Depending on the 'Remote Representation Mode'
parameter of the IP Profiles table
(IpProfile_SBCRemoteRepresentationMode), the
host part in the SIP Contact header can replaced
by the device's IP address or by the value of the
'SIP Group Name' parameter (configured in the IP
Groups table).
Global parameter that defines the handling of SIP
REFER requests. You can also configure this
functionality per specific calls, using IP Profiles
(IpProfile_SBCRemoteReferBehavior). For a detailed
description of the parameter and for configuring this
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