Grandstream Networks HT502 User Manual page 42

Unregister on Reboot
Outgoing Call without
Registration
Register Expiration
Reregister before
Expiration
Registration Retry Wait
Time
Local SIP port
Local RTP port
Use Random Port
Refer to Use Target
Contact
Transfer on Conference
Hang up
Disable Bellcore Style
3-Way Conference
Remove OBP from
Route Header
Support SIP Instance ID
Validate incoming SIP
message
Check SIP User ID for
incoming INVITE
Authenticate incoming
FIRMWARE VERSION 1.0.12.4
The default setting is Yes.
Default is No. If set to Yes, the SIP user's registration information will be cleared on
reboot.
Default is No. If set to "Yes," user can place outgoing calls even when not registered (if
allowed by Internet Telephone Service Provider) but is unable to receive incoming calls.
This parameter allows the user to specify the time frequency (in minutes) the HT502
refreshes its registration with the specified registrar. The default interval is 60 minutes
(or 1 hour). The maximum interval is 65535 minutes (about 45 days).
This parameter allows the user to specify the reregisteration time before expiration.
Retry registration if the process failed. Default is 30 seconds.
Defines the local SIP port the HT502 will listen and transmit. The default value for FXS
port 1 is 5060. The default value for FXS port 2 is 5062.
Defines the local RTP port pair the HT502 will listen and transmit. The default value for
FXS port 1 is 5004. The default value for FXS port 2 is 5012.
This parameter forces the random generation of both the local SIP and RTP ports when
set to Yes. This is usually necessary when multiple HT502 are behind the same NAT.
Default is NO. If set to YES, then for Attended Transfer, the "Refer-To" header uses the
transferred target's Contact header information.
Default is No. In which case if the conference originator hangs up the conference will
be terminated. When option YES is chosen,
each other so that B and C can choose either to continue the conversation or
hang up.
Default is No. you can make a Conference by pressing 'Flash' key. If set to Yes, you
need to dial *23 + second callee number.
Default is No. When option YES is chosen, the Out Bound Proxy will be removed from
Route header.
Default is Yes. If set to Yes, the contact header in REGISTER request will contain SIP
Instance ID as defined in IETF SIP Outbound draft.
Default is No. If set to yes all incoming SIP messages will be strictly validated
according to RFC rules. If message will not pass validation process, call will be
rejected.
Default is No. Check the incoming SIP User ID in Request URI. If they don't match, the
call will be rejected. If this option is enabled, the device will not be able to make direct
IP calls.
Default is No. If set to Yes, device will challenge the incoming INVITE for the
HT502 USER MANUAL
originator will transfer other parties to
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