Opened 18 years ago

Closed 18 years ago

Last modified 17 years ago

#56 closed enhancement (fixed)

Periodically transmit RTP packet on silence

Reported by: bennylp Owned by: bennylp
Priority: normal Milestone: release-0.5.10
Component: pjmedia Version: 0.5.9
Keywords: Cc:
Backport to 1.x milestone: Backported:

Description (last modified by bennylp)

Stream should periodically transmit a silence frame once in a while to keep NAT bindings on and to prevent remote end from tearing down the call when there's no activity on the stream.

Change History (3)

comment:1 Changed 18 years ago by bennylp

  • Description modified (diff)
  • Summary changed from Implement SID for idle stream transmission to Periodically transmit RTP packet on silence

comment:2 Changed 18 years ago by bennylp

  • Resolution set to fixed
  • Status changed from new to closed

Done in r888.

There is a setting called PJMEDIA_CODEC_MAX_SILENCE_PERIOD in pjmedia/config.h to control the maximum period of silence, in timestamp. The default is 8000, which means that a silence RTP packet will be transmitted once every 1 second on a narrowband (8KHz) codec, if local endpoint is silent.

comment:3 Changed 17 years ago by bennylp

Note:

  • ticket #439 updates this fix
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