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.