Codec - Grandstream Networks GVC3210 Administration Manual

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
Register expiration (Min.)
Specifies the frequency in which the device refreshes its registration. Default is 60 (minutes). Valid range
is 1 to 1440 (minutes).

Codec

Please refer to section Settings/SIP/Codec for more descriptions of the options below.

Account
Select the account to be configured. The users can select the SIP account, the built-in BlueJeans
account or H.323 account to configure here.

DTMF
Select DTMF method to use during H.323 call. Available options are: In Audio, RFC2833 or H245 signal.
This option is related to H.323 account only.

Preferred Vocoder
Select preferred vocoder for the account to use during the call. Please note the actual codec being
used in the call is a negotiation result between the GVC3210 and the remote party.

Use First Matching Vocoder in 200OK SDP
Configure whether to use the first matching vocoder in the sent 200OK SDP as the codec.

Preferred video codec
Select preferred video codec for the account to use during the call. H.264 or/and H.265. Default is
H.264. This option is available if using SIP account only.

Image Size
Configure H.264/H.265 image size for the video call. Available resolutions are: 4K, 1080P, 720P, 4CIF,
4SIF and VGA. If using BlueJeans or H.323, it will configure H.264 image size only. 4K resolution is
available using SIP or BlueJeans account only.

Video Bit Rate
Configure video bit rate for the video call. Valid range: from 1024 kbps to 8192 kbps if using SIP account.
If using BlueJeans or H.323 account, valid range is: from 1024 kbps to 4096 kbps. Default is 2048 kbps.

Video Frame Rate
Configure video frame rate for the video call. Available frame rates are: 5 fps, 15 fps, 25 fps, 30 fps or
VFR (Variable Frame Rate).

Enable Video FEC
Enable video FEC for the SIP or BlueJeans account.
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GVC3210 Administration Guide
Version 1.0.1.21
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