NEC Univerge sv8500 Manual page 1622

The command is used to assign whether to add cache information to authentication header of request mes-
sage in updating ACK and REGISTER for re-INVITE/200 OK.
[Setting Example]
MG(SIP) > set auth_header
Select Authorization Header Cache function.
0=enable(default)
1=disable
Input:0
Note: Assign this command adjusting to the specifications on the SIP network where MG-SIP128 [MG-
128SIPMGG] connects.
(6) call_hold
Setting MG Based Call Retention
The command is used to specify whether to enable the MG based call retention.
[Setting Example]
MG(SIP) > set call_hold
Select the setting of Call Hold function.
0=disable(default)
1=enable
Input:1
Input RTP detect timer value.(sec)
(3-32 (default=3)):3
Input SIP Error Response code to reject new
session.
(400-606 (default=488)):488
Note 7:
When an Initial-INVITE is received from the SIP network side while a call is retained, an error re-
sponse 488 (Not Acceptable Here) is sent in the default setting.
(7) call_id_relay
Setting to enable/disable Call-ID notification function
VOL.2-1369
MG-SIP128 [MG-128SIPMGG]
0: Cached authentication information is
added (default)
1: Cached authentication information is
not added.
0: MG based call retention is invalid.
(Default)
1: MG based call retention is valid.
RTP detect timer (seconds)
Range: 3-32 seconds (Default: 3 sec-
onds)
Set the error response code to reject a
session by a new call while the MG
based call retention is in progress.
(400 to 606, Default: 488) Note 7