CHANNEL(Feld)Feld ist eines der
folgenden (wenn nicht anders angegeben, ist nur Lesen möglich):audioreadformataudionativeformataudiowriteformatcallgroupchanneltypelanguagemusicclassmusiconhold.conf definiert. (Sie kann hier auch
angegeben werden.)stateDown, Rsrvd,
OffHook, Dialing, Ring,
Ringing, Up, Busy,
Dialing Offhook, Pre-ring,
Unknown)tonezonezaptel.conf) durch loadzone und
defaultzone festgelegt. Die möglichen Werte sind (wie
in der indications.conf definiert):
at, au, be, br,
ch, cl, cn, cz,
de, dk, ee, es,
fi, fr, gr, hu,
it, lt, mx, ml,
no, nz, pl, pt,
ru, se, sg, uk,
us, us-old, tw,
ve, za.videonativeformat; Typ des Kanals abfragen:
exten => 123,1,Set(foo=${CHANNEL(channeltype)})
; Sprache auf Englisch setzen:
exten => 123,1,Set(CHANNEL(language)=en)| | | 1.4 |————————| 1.6 |————————
-= Info about function 'CHANNEL' =-
[Syntax]
CHANNEL(item)
[Synopsis]
Gets/sets various pieces of information about the channel.
[Description]
Gets/set various pieces of information about the channel.
Standard items (provided by all channel technologies) are:
R/O audioreadformat format currently being read
R/O audionativeformat format used natively for audio
R/O audiowriteformat format currently being written
R/W callgroup call groups for call pickup
R/O channeltype technology used for channel
R/W language language for sounds played
R/W musicclass class (from musiconhold.conf) for hold music
R/W rxgain set rxgain level on channel drivers that support it
R/O state state for channel
R/W tonezone zone for indications played
R/W txgain set txgain level on channel drivers that support it
R/O videonativeformat format used natively for video
chan_sip provides the following additional options:
R/O rtpqos Get QOS information about the RTP stream
This option takes two additional arguments:
Argument 1:
audio Get data about the audio stream
video Get data about the video stream
Argument 2:
local_ssrc Local SSRC (stream ID)
local_lostpackets Local lost packets
local_jitter Local calculated jitter
local_count Number of received packets
remote_ssrc Remote SSRC (stream ID)
remote_lostpackets Remote lost packets
remote_jitter Remote reported jitter
remote_count Number of transmitted packets
rtt Round trip time
all All statistics (in a form suited to logging, but not for parsing)
Additional items may be available from the channel driver providing
the channel; see its documentation for details.
Any item requested that is not available on the current channel will
return an empty string.--- in Asterisk 1.4
+++ in Asterisk 1.6
@@ -16,6 +16,7 @@
R/O channeltype technology used for channel
R/W language language for sounds played
R/W musicclass class (from musiconhold.conf) for hold music
+ R/W parkinglot parkinglot for parking
R/W rxgain set rxgain level on channel drivers that support it
R/O state state for channel
R/W tonezone zone for indications played
@@ -23,22 +24,52 @@
R/O videonativeformat format used natively for video
chan_sip provides the following additional options:
+ R/O peerip Get the IP address of the peer
+ R/O recvip Get the source IP address of the peer
+ R/O from Get the URI from the From: header
+ R/O uri Get the URI from the Contact: header
+ R/O useragent Get the useragent
+ R/O peername Get the name of the peer
+ R/O t38passthrough 1 if T38 is offered or enabled in this channel, otherwise 0
R/O rtpqos Get QOS information about the RTP stream
This option takes two additional arguments:
Argument 1:
audio Get data about the audio stream
video Get data about the video stream
+ text Get data about the text stream
Argument 2:
local_ssrc Local SSRC (stream ID)
local_lostpackets Local lost packets
local_jitter Local calculated jitter
+ local_maxjitter Local calculated jitter (maximum)
+ local_minjitter Local calculated jitter (minimum)
+ local_normdevjitter Local calculated jitter (normal deviation)
+ local_stdevjitter Local calculated jitter (standard deviation)
local_count Number of received packets
remote_ssrc Remote SSRC (stream ID)
remote_lostpackets Remote lost packets
remote_jitter Remote reported jitter
+ remote_maxjitter Remote calculated jitter (maximum)
+ remote_minjitter Remote calculated jitter (minimum)
+ remote_normdevjitter Remote calculated jitter (normal deviation)
+ remote_stdevjitter Remote calculated jitter (standard deviation)
remote_count Number of transmitted packets
rtt Round trip time
+ maxrtt Round trip time (maximum)
+ minrtt Round trip time (minimum)
+ normdevrtt Round trip time (normal deviation)
+ stdevrtt Round trip time (standard deviation)
all All statistics (in a form suited to logging, but not for parsing)
+ R/O rtpdest Get remote RTP destination information
+ This option takes one additional argument:
+ Argument 1:
+ audio Get audio destination
+ video Get video destination
+
+ chan_iax2 provides the following additional options:
+ R/W osptoken Get or set the OSP token information for a call
+ R/O peerip Get the peer's ip address
+ R/O peername Get the peer's username
Additional items may be available from the channel driver providing
the channel; see its documentation for details.