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How to configure audio or video codec
Go to Account - Advanced to configure SIP call related codec.
Sip Account: To choose which account to configure.
Audio Codec
Doorphone support four audio codecs: PCMA, PCMU, G729, G722.
Different audio codecs require different bandwidth, users can enable/disable them according to different network environment.
| Bandwidth consumption | Sample rates | ||
|---|---|---|---|
| PCMA | 64kbit/s | 8kHz | |
| PCMU | 64kbit/s | 8kHz | |
| G729 | 8kbit/s | 8kHz | Least consumption |
| G722 | 64kbit/s | 16kHz | Best quality |
Video Codec
Doorphone support H.264 standard, which provides better video quality at substantially lower bit rates than previous standards.
Codec Resolution: R27 support four resolutions: QCIF, CIF, VGA, 4CIF and 720P.
Codec Bitrate: To configure bit rates of video stream.
Codec Payload: To configure RTP audio video profile.
