bcfInitDelayedForwardBearerInfoAnswer

Initialize a Bearer Control event structure with the following information elements:

The resulting BCF Message is used to terminate a forward bearer establishment with delayed forward tunneling (IP core network).

It conveys in particular the optional selected codec.

Prototype

DWORD bcfInitDelayedForwardBearerInfoAnswer(SiBearerControlEvnt *bearerControlEvnt, U8*codecList, U8 *selectedCodec)

Argument Description
bearerControlEvnt Bearer Control event structure to initialize.
codecList Available codec list. Bitmask of the following codecs:
  • AMR
  • AMR2
  • G711
  • MuME (H223)
  • MuME2 (H223)
selectedCodec

Selected codec. Either:

  • NO_CODEC
  • AMR
  • AMR2
  • G711
  • MuME (H223)
  • MuME2 (H223)

Return Values

Return value Description
BCF_SUCCESS  
BCF_PARAM_ERROR Parameter error.

Details

Codec Negotiation is optional with this delayed forward Bearer establishment procedure.

If codec Negotiation is performed, the application shall pass MuME codec to bcfInitDelayedForwardBearerInfoAnswer in order to force H223 as selected codec for the call.

The party answering codec negotiation shall also pass the available codec list.

If no codec negotiation is performed, then the application shall pass NO_CODEC.

The information elements are initialized with the following default settings:

Information element Default setting
actionIndicator

If Codec Negotiation is performed: connect forward, no notification + selected codec.

Otherwise: 'connect forward, no notification'
codecsList Optional –available codec list, as passed in bcfInitDelayedForwardBearerInfoAnswer.
singleCodec Optional – Selected codec, as passed in bcfInitDelayedForwardBearerInfoAnswer.
networkCharacteristics IP/RTP.
bearerTunnelling Set to the value tunneling to be used.