Grandstream Networks HT814 Administration Manual page 39

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Special Feature
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
Use First Matching
Vocoder in 200OK
SDP
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Selects Soft switch vendors' special requirements. Example of vendors: Broadsoft,
CBCOM, RNK, Huawei, China Mobile, ZTE IME, PhonePower, Telkom SA, Vonage,
Metaswitch. Default is Standard.
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. Default is 180 seconds.
Defines Minimum session expiration (in 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. To turn off Session
Timer, select "No" for Caller and Callee Request Timer, and Force Timer. Default is No.
Specifies which end will act as refresher for outgoing calls:

UAC: The HandyTone 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 HandyTone 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.
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.
HT814 Administration Guide
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