Account - Codec Settings - Grandstream Networks GAC2500 Administration Manual

Defines the amount of time that the server transaction can remain when unreliable response (3xx-6xx)
SIP Timer D received. The valid value is 0-64 seconds.
Interval
The default value is 0.
Configures the phone system to remove the outbound proxy URI from the Route header. This is used for
Remove
the SIP Extension to notify the SIP server that the device is behind a NAT/Firewall. If it is set to "Yes", it will
OBP from
remove the Route header from SIP requests.
Route
The default setting is "No".
Check
Sets the phone system to check the domain certificates if TLS/TCP is used for SIP Transport.
Domain
The default setting is "No".
Certificates
Validate
Configures whether to validate certification chain, when TLS/TCP is configured for SIP Transport. If this is set
Certificatio
to "Yes", phone will validate server against the new certificate list. The default setting is "No".
n Chain
Sets if the phone system will add the configured feature code to retrieve parked calls. If it is set to "Yes", the
Auto-filling
"Pickup Feature Code" configured will be automatically prepended on the phone's dial pad when retrieving
Pickup
the parked call.
Feature
Code
The default setting is "Yes".
Pickup
Configures the pickup feature code for call park. If "Auto-filling Pickup Feature Code" is set to "Yes", this
Feature
pickup feature code will be automatically filled in on the phone's dial pad when picking up the parked call.
Code
Account – Codec Settings
Table 26: Account – Codec & RTP Settings
Lists the available and enabled Video codecs for this account. Users can enable the specific video codecs by
Preferred
moving them to the selected box and set them with a priority order from top to bottom. This configuration
Vocoder
will be included with the same preference order in the SIP SDP message.
Hide
Hide vocoder information on call screen.
Vocoder
Codec Configures the phone to use which codec sequence to negotiate as the callee. When set to "Caller", the
Negotiatio phone negotiates by SDP codec sequence from received SIP Invite; When set to "Callee", the phone
n Priority negotiates by audio codec sequence on the phone. The default setting is "Callee".
Use First
Configures the phone to use the first matching codec in the 200OK message.
Matching
Vocoder in
The default value is 0.
200OK SDP
Enable
Audio RED Enables FEC for audio calls, default setting is "No".
with FEC
iLBC Frame Sets the ILBC (Internet Low Bitrate Codec) frame size if ILBC is used. Users can select it from 20ms or 30ms.
Size The default setting is 30ms.