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PJSIP_SEND_SESSION_REFRESH()

Synopsis

W/O: Initiate a session refresh via an UPDATE or re-INVITE on an established media session

Description

This function will cause the PJSIP stack to immediately refresh the media session for the channel. This will be done using either a re-INVITE (default) or an UPDATE request.

This is most useful when combined with the PJSIP_MEDIA_OFFER dialplan function, as it allows the formats in use on a channel to be re-negotiated after call setup.

Warning

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The formats the endpoint supports are not checked or enforced by this function. Using this function to offer formats not supported by the endpoint may result in a loss of media.

Example: Re-negotiate format to g722

Syntax

PJSIP_SEND_SESSION_REFRESH([update_type])
Arguments
  • update_type - The type of update to send. Default is invite.
    • invite - Send the session refresh as a re-INVITE.
    • update - Send the session refresh as an UPDATE.

See Also

Import Version

This documentation was imported from Asterisk Version 18

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