Grandstream Networks HT502 User Manual page 46

Subscribe for MWI
Send Anonymous
Anonymous Call
Rejection
Special Feature
Session Expiration
Min-SE
Caller Request Timer
Callee Request Timer
Force Timer
UAC Specify Refresher
UAS Specify Refresher
Force INVITE
Send Re-INVITE After
Fax
Enable Silence
Detection for Fax
Disconnect
Enable 100rel
FIRMWARE VERSION 1.0.12.4
inside dial plan feature and the Dial Plan should be:
Default is No. When set to "Yes" a SUBSCRIBE for Message Waiting Indication will be
sent periodically.
If this parameter is set to "Yes", the "From" header along with Privacy and P_
Asserted_Identity headers in outgoing INVITE message will be set to anonymous,
blocking Caller ID.
Default is No. If set to Yes, incoming calls with anonymous Caller ID will be rejected
with 486 Busy message.
Default is Standard. Choose the selection to meet some special requirements from
Softswitch vendors.
Grandstream implemented SIP Session Timer. The session timer extension enables
SIP sessions to be periodically "refreshed" via a SIP request (UPDATE, or re-INVITE.
Once the session interval expires, if there is no refresh via a UPDATE or re-INVITE
message, the session will be terminated. Session Expiration is the time (in seconds) at
which the session is considered timed out, if no successful session refresh transaction
occurs beforehand. The default value is 180 seconds.
The minimum session expiration (in seconds). The default value is 90 seconds.
If selecting "Yes" the phone will use session timer when it makes outbound calls if
remote party supports session timer.
If selecting "Yes" the phone will use session timer when it receives inbound calls with
session timer request.
If selecting "Yes" the phone will use session timer even if the remote party does not
support this feature. Selecting "No" will allow the phone to enable session timer only
when the remote party support this feature.
To turn off Session Timer, select "No" for Caller Request Timer, Callee Request Timer,
and Force Timer.
As a Caller, select UAC to use the phone as the refresher, or UAS to use the Callee or
proxy server as the refresher.
As a Callee, select UAC to use caller or proxy server as the refresher, or UAS to use
the phone as the refresher.
Session Timer can be refreshed using INVITE method or UPDATE method. Select
"Yes" to use INVITE method to refresh the session timer.
Default is No, If set to "Yes", device will send an INVITE with audio vocoders upon
completion of Fax to continue session in audio only.
For fax machines that do not send a Disconnect when fax is done. This option
Enables/Disables the detection of silence in order to know the fax has finished. The
silence period is non-configurable and fixed to 7 seconds.
Enables the use of PRACK (Provisional Acknowledgment) method.
HT502 USER MANUAL
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