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. The default session 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
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Codec Settings
Audio
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.
Codec Negotiation Priority
Configures the phone to use which codec sequence to negotiate as the callee.
When set to “Caller”, the phone negotiates by SDP codec sequence from
received SIP Invite. When set to “Callee”, the phone negotiates by audio codec
sequence on the phone.
The default setting is “Callee”.
Use First Matching Vocoder in 200OK
SDP
When it is set to “Yes”, the device will use the first matching vocoder in the
received 200OK SDP as the codec.
The default setting is “No”.
Hide Vocoder
When option Hide Vocoder is set as Yes, the coded will be hidden from call
screen as bellow
The default setting is “No”.
Configures to enable or disable
multiple m lines in SDP
If enabled, the phone always responds one m line in SDP regardless multiple
m lines are offered.
iLBC Frame Size
This option determines the iLBC packet frame size. Users can choose from
20ms and 30ms.
The default setting is “30ms”.
iLBC Payload Type
This option is used to specify iLBC payload type. Valid range is 96 to 127.
The default setting is “97”.
