Grandstream Networks GRP261 Series Administration Guide

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GRP261x/GRP2624/GRP2634 Administration Guide
Version 1.0.5.48
successful session refresh transaction occurs beforehand. The default
setting is 180. The valid range is from 90 to 64800.
Min-SE
The minimum session expiration (in seconds). The default value is 90
seconds. The valid range is from 90 to 64800.
Caller Request Timer
If set to “Yes” and the remote party supports session timers, the phone will
use a session timer when it makes outbound calls. The default setting is “No”.
Callee Request Timer
If set to “Yes” and the remote party supports session timers, the phone will
use a session timer when it receives inbound calls. Default setting is “No”.
Force Timer
If Force Timer is set to “Yes”, the phone will use the session timer even if the
remote party does not support this feature. If Force Timer is set to “No”, the
phone will enable the session timer only when the remote party supports this
feature. To turn off the session timer, select “No”. The default setting is “No”.
UAC Specify Refresher
As a Caller, select UAC to use the phone as the refresher; or select UAS to
use the Callee or proxy server as the refresher. The default setting is “UAC”.
UAS Specify Refresher
As a Callee, select UAC to use caller or proxy server as the refresher; or
select UAS to use the phone as the refresher. The default setting is “UAC”.
Force INVITE
The Session Timer can be refreshed using the INVITE method or the
UPDATE method. Select “Yes” to use the INVITE method to refresh the
session timer. The default setting is “No”.
Account x  SIP Settings  Security Settings
Check Domain
Certificates
Choose whether the domain certificates will be checked or not when
TLS/TCP is used for SIP Transport. The default setting is “No”.
Validate Certificate
Chain
Validate certification chain when TCP/TLS is configured.
Default setting is “No”.
Validate Incoming
Messages
Choose whether the incoming messages will be validated or not. The default
setting is “No”.
Check SIP User ID for
Incoming INVITE
If set to “Yes”, SIP User ID will be checked in the Request URI of the incoming
INVITE. If it doesn’t match the phone’s SIP User ID, the call will be rejected.
The default setting is “No”.
Accept Incoming SIP
from Proxy Only
When set to “Yes”, the SIP address of the Request URL in the incoming SIP
message will be checked. If it doesn’t match the SIP server address of the
account, the call will be rejected. The default setting is “No”.
Authenticate Incoming
INVITE
If set to “Yes”, the phone will challenge the incoming INVITE for
authentication with SIP 401 Unauthorized response. Default setting is “No”.
Account x  Audio Settings
Preferred Vocoder
(Choice 1 – 8)
Multiple vocoder types are supported on the phone, the vocoders in the list
is a higher preference. Users can configure vocoders in a preference list that
is included with the same preference order in SDP message.

Grandstream Networks GRP261 Series Specifications

General

Brand	Grandstream Networks
Model	GRP261 Series
Category	IP Phone
Language	English