Audio & Video Codec Configuration

Audio Codec

The door phone supports three types of Codec (PCMU, PCMA, and G722) for encoding and decoding the audio data during the call session. Each codec varies in terms of sound quality. You can select the specific codec with different bandwidths and sample rates flexibly according to the actual network environment.

Set it up on the Account > Advanced > Audio Codecs interface.

Please refer to the bandwidth consumption and sample rate for the three codec types below:

Video Codec

Set it up on the Account > Advanced > Video Codec interface.

• Name: Check to enable the H264 video codec format for the door phone video stream.

• Resolution: Select the resolution from the provided options. The default code resolution is 4CIF.

• Bitrate: The video stream bitrate ranges from 128 to 2048 kbps. The greater the bitrate, the more data transmitted every second and the clearer the video will be. The default code bitrate is 2048.

• Payload: The payload ranges from 90 to 119 for configuring audio/video configuration files. The default is 104.

Video Codec for Direct IP Calls

Set it up on the Phone > Call Feature > IP Video Parameters interface.

• Video Resolution: Select the resolution from the provided options.

• Video Bitrate: The video stream bitrate ranges from 64 to 2048 kbps. The default bitrate is 2048.

• Video Payload: The payload ranges from 90 to 119 for configuring audio/video configuration files. The default is 104.