Grandstream Networks HT801 Administration Manual page 33

Enable Session Timer
Session Expiration
Min-SE
Caller Request Timer
Callee Request Timer
Force Timer
UAC Specify Refresher
UAS Specify Refresher
Force INVITE
Enable 100rel
Add Auth Header on Initial REGISTER
Conference URI
Use First Matching Vocoder in 200OK
SDP
Preferred Vocoder
Voice Frames per TX
G723 Rate
Disable the session timer when this option is set to "No". By default, this option is
enabled.
Enables SIP sessions to be periodically "refreshed" via a SIP request (UPDATE, or
re-INVITE). When the session interval expires, if there is no refresh via an 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. Valid range is 90-64800 seconds. Default
is 180 seconds.
Defines Minimum session expiration (in seconds).
Valid range is 90-64800 seconds. Default is 90 seconds.
Uses session timer when making outbound calls if remote party supports it.
Default is No.
Uses session timer when receiving inbound calls with session timer request.
Default is No.
Uses session timer even if the remote party does not support this feature. Selecting
"No" will enable session timer only when the remote party supports it. Default is No.
To turn off Session Timer, select "No" for Caller and Callee Request Timer, and
Force Timer.
Specifies which end will act as refresher for outgoing calls.
UAC: The handy tone acts as the refresher.
UAS: Callee or proxy server act as the refresher.
Default is Omit.
Specifies which end will act as refresher for incoming calls:
UAS: The handy tone acts as the refresher.
UAC: Callee or proxy server act as the refresher.
Default is Omit.
Uses INVITE message to refresh the session timer.
Default is No.
Appends "100rel" attribute to the value of the required header of the initial signaling
messages. Default is No.
Adds "Authentication" header with blank "nonce" attribute in the initial SIP
REGISTER request.
Default is No.
Allows users to manually configure the conference URL. The default is null.
Includes only the first matching vocoder in its 200OK response, otherwise it will
include all matching vocoders in same order received in INVITE.
Default is No.
Configures vocoders in a preference list (up to 8 preferred vocoders) that will be
included with same order in SDP message. Vocoder types are G.711 A-/U-law,
G.726-32, G.723, G.729, G722, iLBC and OPUS.
Transmits a specific number of voice frames per packet. Default is 2; increases to
10/20/32/64 for G711/G726/G723/other codecs respectively.
Operates at specified encoding rate for G.723 vocoder. Available encoding rates are