Hi,
From time to time the Asterisk RTP engine outputs some 4-byte ULAW
packets (even when the data stream is ALAW), making me believe that the
packets don't come from the source channel driver. The content of the
packets is constant: 0x02 0x8A 0x02 0x80
These cause pops/clicks at the receiver. How can the source of these
packets be found? Is there perhaps a race in Asterisk?
Has anyone seen this issue before. I have a very old installation of
Asterisk ~v1.6 which does not exhibit this issue.
--HPS
No. Time Source Destination Protocol
Length Info
6032 120.195049000 xx.xx.x.xx xx.x.x.xx RTP 204
PT=ITU-T G.711 PCMU, SSRC=0x4CEA3092, Seq=20690, Time=2165120
Frame 6032: 204 bytes on wire (1632 bits), 204 bytes captured (1632 bits) on
interface 0
Null/Loopback
Internet Protocol Version 4, Src: xx.xx.x.xx (xx.xx.x.xx), Dst: xx.x.x.xx
(xx.x.x.xx)
User Datagram Protocol, Src Port: 27904 (27904), Dst Port: 7078 (7078)
Real-Time Transport Protocol
No. Time Source Destination Protocol
Length Info
6033 120.219922000 xx.xx.x.xx xx.x.x.xx RTP 48
PT=ITU-T G.711 PCMU, SSRC=0x4CEA3092, Seq=20691, Time=2165120
Frame 6033: 48 bytes on wire (384 bits), 48 bytes captured (384 bits) on
interface 0
Null/Loopback
Internet Protocol Version 4, Src: xx.xx.x.xx (xx.xx.x.xx), Dst: xx.x.x.xx
(xx.x.x.xx)
User Datagram Protocol, Src Port: 27904 (27904), Dst Port: 7078 (7078)
Real-Time Transport Protocol
No. Time Source Destination Protocol
Length Info
6034 120.220163000 xx.xx.x.xx xx.x.x.xx RTP 48
PT=ITU-T G.711 PCMU, SSRC=0x4CEA3092, Seq=20692, Time=2165120
Frame 6034: 48 bytes on wire (384 bits), 48 bytes captured (384 bits) on
interface 0
Null/Loopback
Internet Protocol Version 4, Src: xx.xx.x.xx (xx.xx.x.xx), Dst: xx.x.x.xx
(xx.x.x.xx)
User Datagram Protocol, Src Port: 27904 (27904), Dst Port: 7078 (7078)
Real-Time Transport Protocol
No. Time Source Destination Protocol
Length Info
6035 120.221032000 xx.xx.x.xx xx.x.x.xx RTP 48
PT=ITU-T G.711 PCMU, SSRC=0x4CEA3092, Seq=20693, Time=2165120
Frame 6035: 48 bytes on wire (384 bits), 48 bytes captured (384 bits) on
interface 0
Null/Loopback
Internet Protocol Version 4, Src: xx.xx.x.xx (xx.xx.x.xx), Dst: xx.x.x.xx
(xx.x.x.xx)
User Datagram Protocol, Src Port: 27904 (27904), Dst Port: 7078 (7078)
Real-Time Transport Protocol
--
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