2.2.1.15.1.1 v3:SendCodecTypes Element

This is filled by the codec name, as specified in [MS-SDPEXT] section 3.1.5.3 or [RFC3551] section 6 concatenated by a string that describes the type of codec resource used.<189> The codec resource choices for outbound direction (that is, encoding) are as follows:

Type

String

Description

Software

SW

Software encoding integrated in app, running on CPU.

Inbox Software

SWI

Software encoding using Operating System component, running on CPU.

Hardware

HW

Hardware encoding integrated in app, running on DSP or dedicated hardware.

Inbox Hardware

HWI

Hardware encoding using Operating System component, running on DSP or dedicated hardware.

Camera

CAM

H.264 encoding camera.

Example: For the H264 codec, if a portion of the call is HW but then the application switches to SW, then v3:SendCodecTypes element will be filled with "H264 SW-HW".