diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/asterisk/channel.h | 51 |
1 files changed, 50 insertions, 1 deletions
diff --git a/include/asterisk/channel.h b/include/asterisk/channel.h index d42da81b0..8bda3ac5c 100644 --- a/include/asterisk/channel.h +++ b/include/asterisk/channel.h @@ -981,12 +981,61 @@ void ast_channel_setwhentohangup(struct ast_channel *chan, time_t offset); * This function answers a channel and handles all necessary call * setup functions. * - * \note The channel passed does not need to be locked. + * \note The channel passed does not need to be locked, but is locked + * by the function when needed. + * + * \note This function will wait up to 500 milliseconds for media to + * arrive on the channel before returning to the caller, so that the + * caller can properly assume the channel is 'ready' for media flow. * * \retval 0 on success * \retval non-zero on failure */ int ast_answer(struct ast_channel *chan); + +/*! + * \brief Answer a channel + * + * \param chan channel to answer + * \param cdr_answer flag to control whether any associated CDR should be marked as 'answered' + * + * This function answers a channel and handles all necessary call + * setup functions. + * + * \note The channel passed does not need to be locked, but is locked + * by the function when needed. + * + * \note Unlike ast_answer(), this function will not wait for media + * flow to begin. The caller should be careful before sending media + * to the channel before incoming media arrives, as the outgoing + * media may be lost. + * + * \retval 0 on success + * \retval non-zero on failure + */ +int ast_raw_answer(struct ast_channel *chan, int cdr_answer); + +/*! + * \brief Answer a channel, with a selectable delay before returning + * + * \param chan channel to answer + * \param delay maximum amount of time to wait for incoming media + * \param cdr_answer flag to control whether any associated CDR should be marked as 'answered' + * + * This function answers a channel and handles all necessary call + * setup functions. + * + * \note The channel passed does not need to be locked, but is locked + * by the function when needed. + * + * \note This function will wait up to 'delay' milliseconds for media to + * arrive on the channel before returning to the caller, so that the + * caller can properly assume the channel is 'ready' for media flow. If + * 'delay' is less than 500, the function will wait up to 500 milliseconds. + * + * \retval 0 on success + * \retval non-zero on failure + */ int __ast_answer(struct ast_channel *chan, unsigned int delay, int cdr_answer); /*! \brief Make a call |