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+;
+; Zapata telephony interface
+;
+; Configuration file
+;
+; You need to restart Asterisk to re-configure the Zap channel
+; CLI> reload chan_zap.so
+; will reload the configuration file,
+; but not all configuration options are
+; re-configured during a reload (signalling, as well as
+; PRI and SS7-related settings cannot be changed on a
+; reload.
+;
+; This file documents many configuration variables. Normally unless you
+; know what a variable means or that it should be changed, there's no
+; reason to unrem lines.
+;
+; remmed-out examples below (those lines that begin with a ';' but no
+; space afterwards) typically show a value that is not the defauult value,
+; but would make sense under cetain circumstances. The default values
+; are usually sane. Thus you should typically not touch them unless you
+; know what they mean or you know you should change them.
+
+
+[trunkgroups]
+;
+; Trunk groups are used for NFAS or GR-303 connections.
+;
+; Group: Defines a trunk group.
+; trunkgroup => <trunkgroup>,<dchannel>[,<backup1>...]
+;
+; trunkgroup is the numerical trunk group to create
+; dchannel is the zap channel which will have the
+; d-channel for the trunk.
+; backup1 is an optional list of backup d-channels.
+;
+;trunkgroup => 1,24,48
+;trunkgroup => 1,24
+;
+; Spanmap: Associates a span with a trunk group
+; spanmap => <zapspan>,<trunkgroup>[,<logicalspan>]
+;
+; zapspan is the zap span number to associate
+; trunkgroup is the trunkgroup (specified above) for the mapping
+; logicalspan is the logical span number within the trunk group to use.
+; if unspecified, no logical span number is used.
+;
+;spanmap => 1,1,1
+;spanmap => 2,1,2
+;spanmap => 3,1,3
+;spanmap => 4,1,4
+
+[channels]
+;
+; Default language
+;
+;language=en
+;
+; Context for calls. Defaults to 'default'
+;
+;context=incoming
+;
+; Switchtype: Only used for PRI.
+;
+; national: National ISDN 2 (default)
+; dms100: Nortel DMS100
+; 4ess: AT&T 4ESS
+; 5ess: Lucent 5ESS
+; euroisdn: EuroISDN (common in Europe)
+; ni1: Old National ISDN 1
+; qsig: Q.SIG
+;
+;switchtype=euroisdn
+;
+; Some switches (AT&T especially) require network specific facility IE
+; supported values are currently 'none', 'sdn', 'megacom', 'tollfreemegacom', 'accunet'
+;
+; nsf cannot be changed on a reload.
+;
+;nsf=none
+;
+; PRI Dialplan: Only RARELY used for PRI.
+; PRI Local Dialplan: Only RARELY used for PRI (sets the calling number's
+; numbering plan)
+; pridialplan and prilocaldialplan cannot be changed on a reload.
+;
+; unknown: Unknown
+; private: Private ISDN
+; local: Local ISDN
+; national: National ISDN
+; international: International ISDN
+; dynamic: Dynamically selects the appropriate dialplan
+; redundant: Same as dynamic, except that the underlying number is not
+; changed (not common)
+;
+;pridialplan=national
+;prilocaldialplan=national
+;
+; pridialplan may be also set at dialtime, by prefixing the dialled number with
+; one of the following letters:
+; U - Unknown
+; I - International
+; N - National
+; L - Local (Net Specific)
+; S - Subscriber
+; V - Abbreviated
+; R - Reserved (should probably never be used but is included for completeness)
+;
+; Additionally, you may also set the following NPI bits (also by prefixing the
+; dialled string with one of the following letters):
+; u - Unknown
+; e - E.163/E.164 (ISDN/telephony)
+; x - X.121 (Data)
+; f - F.69 (Telex)
+; n - National
+; p - Private
+; r - Reserved (should probably never be used but is included for completeness)
+;
+; You may also set the prilocaldialplan in the same way, but by prefixing the
+; Caller*ID Number, rather than the dialled number. Please note that telcos
+; which require this kind of additional manipulation of the TON/NPI are *rare*.
+; Most telco PRIs will work fine simply by setting pridialplan to unknown or
+; dynamic.
+;
+;
+; PRI caller ID prefixes based on the given TON/NPI (dialplan)
+; This is especially needed for EuroISDN E1-PRIs
+;
+; None of the prefix settings can be changed on reload.
+;
+; sample 1 for Germany
+;internationalprefix = 00
+;nationalprefix = 0
+;localprefix = 0711
+;privateprefix = 07115678
+;unknownprefix =
+;
+; sample 2 for Germany
+;internationalprefix = +
+;nationalprefix = +49
+;localprefix = +49711
+;privateprefix = +497115678
+;unknownprefix =
+;
+; PRI resetinterval: sets the time in seconds between restart of unused
+; B channels; defaults to 'never'.
+;
+;resetinterval = 3600
+;
+; Overlap dialing mode (sending overlap digits)
+; Cannot be changed on a reload.
+;
+;overlapdial=yes
+;
+; PRI Out of band indications.
+; Enable this to report Busy and Congestion on a PRI using out-of-band
+; notification. Inband indication, as used by Asterisk doesn't seem to work
+; with all telcos.
+;
+; outofband: Signal Busy/Congestion out of band with RELEASE/DISCONNECT
+; inband: Signal Busy/Congestion using in-band tones (default)
+;
+; priindication cannot be changed on a reload.
+;
+;priindication = outofband
+;
+; If you need to override the existing channels selection routine and force all
+; PRI channels to be marked as exclusively selected, set this to yes.
+;
+; priexclusive cannot be changed on a reload.
+;
+;priexclusive = yes
+;
+; ISDN Timers
+; All of the ISDN timers and counters that are used are configurable. Specify
+; the timer name, and its value (in ms for timers).
+; K: Layer 2 max number of outstanding unacknowledged I frames (default 7)
+; N200: Layer 2 max number of retransmissions of a frame (default 3)
+; T200: Layer 2 max time before retransmission of a frame (default 1000 ms)
+; T203: Layer 2 max time without frames being exchanged (default 10000 ms)
+; T305: Wait for DISCONNECT acknowledge (default 30000 ms)
+; T308: Wait for RELEASE acknowledge (default 4000 ms)
+; T309: Maintain active calls on Layer 2 disconnection (default -1,
+; Asterisk clears calls)
+; EuroISDN: 6000 to 12000 ms, according to (N200 + 1) x T200 + 2s
+; May vary in other ISDN standards (Q.931 1993 : 90000 ms)
+; T313: Wait for CONNECT acknowledge, CPE side only (default 3000 ms)
+;
+;pritimer => t200,1000
+;pritimer => t313,4000
+;
+; To enable transmission of facility-based ISDN supplementary services (such
+; as caller name from CPE over facility), enable this option.
+; Cannot be changed on a reload.
+;
+;facilityenable = yes
+;
+; pritimer cannot be changed on a reload.
+;
+; Signalling method. The default is "auto". Valid values:
+; auto: Use the current value from Zaptel.
+; em: E & M
+; em_e1: E & M E1
+; em_w: E & M Wink
+; featd: Feature Group D (The fake, Adtran style, DTMF)
+; featdmf: Feature Group D (The real thing, MF (domestic, US))
+; featdmf_ta: Feature Group D (The real thing, MF (domestic, US)) through
+; a Tandem Access point
+; featb: Feature Group B (MF (domestic, US))
+; fgccama Feature Group C-CAMA (DP DNIS, MF ANI)
+; fgccamamf Feature Group C-CAMA MF (MF DNIS, MF ANI)
+; fxs_ls: FXS (Loop Start)
+; fxs_gs: FXS (Ground Start)
+; fxs_ks: FXS (Kewl Start)
+; fxo_ls: FXO (Loop Start)
+; fxo_gs: FXO (Ground Start)
+; fxo_ks: FXO (Kewl Start)
+; pri_cpe: PRI signalling, CPE side
+; pri_net: PRI signalling, Network side
+; gr303fxoks_net: GR-303 Signalling, FXO Loopstart, Network side
+; gr303fxsks_cpe: GR-303 Signalling, FXS Loopstart, CPE side
+; sf: SF (Inband Tone) Signalling
+; sf_w: SF Wink
+; sf_featd: SF Feature Group D (The fake, Adtran style, DTMF)
+; sf_featdmf: SF Feature Group D (The real thing, MF (domestic, US))
+; sf_featb: SF Feature Group B (MF (domestic, US))
+; e911: E911 (MF) style signalling
+; ss7: Signalling System 7
+;
+; The following are used for Radio interfaces:
+; fxs_rx: Receive audio/COR on an FXS kewlstart interface (FXO at the
+; channel bank)
+; fxs_tx: Transmit audio/PTT on an FXS loopstart interface (FXO at the
+; channel bank)
+; fxo_rx: Receive audio/COR on an FXO loopstart interface (FXS at the
+; channel bank)
+; fxo_tx: Transmit audio/PTT on an FXO groundstart interface (FXS at
+; the channel bank)
+; em_rx: Receive audio/COR on an E&M interface (1-way)
+; em_tx: Transmit audio/PTT on an E&M interface (1-way)
+; em_txrx: Receive audio/COR AND Transmit audio/PTT on an E&M interface
+; (2-way)
+; em_rxtx: Same as em_txrx (for our dyslexic friends)
+; sf_rx: Receive audio/COR on an SF interface (1-way)
+; sf_tx: Transmit audio/PTT on an SF interface (1-way)
+; sf_txrx: Receive audio/COR AND Transmit audio/PTT on an SF interface
+; (2-way)
+; sf_rxtx: Same as sf_txrx (for our dyslexic friends)
+; ss7: Signalling System 7
+;
+; signalling of a channel can not be changed on a reload.
+;
+;signalling=fxo_ls
+;
+; If you have an outbound signalling format that is different from format
+; specified above (but compatible), you can specify outbound signalling format,
+; (see below). The 'signalling' format specified will be the inbound signalling
+; format. If you only specify 'signalling', then it will be the format for
+; both inbound and outbound.
+;
+; outsignalling can only be one of:
+; em, em_e1, em_w, sf, sf_w, sf_featd, sf_featdmf, sf_featb, featd,
+; featdmf, featdmf_ta, e911, fgccama, fgccamamf
+;
+; outsignalling cannot be changed on a reload.
+;
+;signalling=featdmf
+;
+;outsignalling=featb
+;
+; For Feature Group D Tandem access, to set the default CIC and OZZ use these
+; parameters (Will not be updated on reload):
+;
+;defaultozz=0000
+;defaultcic=303
+;
+; A variety of timing parameters can be specified as well
+; The default values for those are "-1", which is to use the
+; compile-time defaults of the Zaptel kernel modules. The timing
+; parameters, (with the standard default from Zaptel):
+;
+; prewink: Pre-wink time (default 50ms)
+; preflash: Pre-flash time (default 50ms)
+; wink: Wink time (default 150ms)
+; flash: Flash time (default 750ms)
+; start: Start time (default 1500ms)
+; rxwink: Receiver wink time (default 300ms)
+; rxflash: Receiver flashtime (default 1250ms)
+; debounce: Debounce timing (default 600ms)
+;
+; None of them will update on a reload.
+;
+; How long generated tones (DTMF and MF) will be played on the channel
+; (in milliseconds).
+;
+; This is a global, rather than a per-channel setting. It will not be
+; updated on a reload.
+;
+;toneduration=100
+;
+; Whether or not to do distinctive ring detection on FXO lines:
+;
+;usedistinctiveringdetection=yes
+;
+; enable dring detection after caller ID for those countries like Australia
+; where the ring cadence is changed *after* the caller ID spill:
+;
+;distinctiveringaftercid=yes
+;
+; Whether or not to use caller ID:
+;
+usecallerid=yes
+;
+; Hide the name part and leave just the number part of the caller ID
+; string. Only applies to PRI channels.
+;hidecalleridname=yes
+;
+; Type of caller ID signalling in use
+; bell = bell202 as used in US (default)
+; v23 = v23 as used in the UK
+; v23_jp = v23 as used in Japan
+; dtmf = DTMF as used in Denmark, Sweden and Netherlands
+; smdi = Use SMDI for caller ID. Requires SMDI to be enabled (usesmdi).
+;
+;cidsignalling=v23
+;
+; What signals the start of caller ID
+; ring = a ring signals the start (default)
+; polarity = polarity reversal signals the start
+; polarity_IN = polarity reversal signals the start, for India,
+; for dtmf dialtone detection; using DTMF.
+; (see doc/India-CID.txt)
+;
+;cidstart=polarity
+;
+; Whether or not to hide outgoing caller ID (Override with *67 or *82)
+; (If your dialplan doesn't catch it)
+;
+;hidecallerid=yes
+;
+; The following option enables receiving MWI on FXO lines. The default
+; value is no. When this is enabled, and MWI notification indicates on or off,
+; the script specified by the mwimonitornotify option is executed. Also, an
+; internal Asterisk MWI event will be generated so that any other part of
+; Asterisk that cares about MWI state changes will get notified, just as if
+; the state change came from app_voicemail. The energy level that must be seen
+; before starting the MWI detection process can be set with 'mwilevel'.
+;
+;mwimonitor=no
+;mwilevel=512
+;
+; This option is used in conjunction with mwimonitor. This will get executed
+; when incoming MWI state changes. The script is passed 2 arguments. The
+; first is the corresponding mailbox, and the second is 1 or 0, indicating if
+; there are messages waiting or not.
+;
+;mwimonitornotify=/usr/local/bin/zapnotify.sh
+;
+; Whether or not to enable call waiting on internal extensions
+; With this set to 'yes', busy extensions will hear the call-waiting
+; tone, and can use hook-flash to switch between callers. The Dial()
+; app will not return the "BUSY" result for extensions.
+;
+callwaiting=yes
+;
+; Whether or not restrict outgoing caller ID (will be sent as ANI only, not
+; available for the user)
+; Mostly use with FXS ports
+;
+;restrictcid=no
+;
+; Whether or not use the caller ID presentation for the outgoing call that the
+; calling switch is sending.
+; See README.callingpres. FIXME: file no longer exists.
+;
+usecallingpres=yes
+;
+; Some countries (UK) have ring tones with different ring tones (ring-ring),
+; which means the caller ID needs to be set later on, and not just after
+; the first ring, as per the default (1).
+;
+;sendcalleridafter = 2
+;
+;
+; Support caller ID on Call Waiting
+;
+callwaitingcallerid=yes
+;
+; Support three-way calling
+;
+threewaycalling=yes
+;
+; Support flash-hook call transfer (requires three way calling)
+; Also enables call parking (overrides the 'canpark' parameter)
+;
+transfer=yes
+;
+; Allow call parking
+; ('canpark=no' is overridden by 'transfer=yes')
+;
+canpark=yes
+;
+; Support call forward variable
+;
+cancallforward=yes
+;
+; Whether or not to support Call Return (*69, if your dialplan doesn't
+; catch this first)
+;
+callreturn=yes
+;
+; Stutter dialtone support: If a mailbox is specified without a voicemail
+; context, then when voicemail is received in a mailbox in the default
+; voicemail context in voicemail.conf, taking the phone off hook will cause a
+; stutter dialtone instead of a normal one.
+;
+; If a mailbox is specified *with* a voicemail context, the same will result
+; if voicemail received in mailbox in the specified voicemail context.
+;
+; for default voicemail context, the example below is fine:
+;
+;mailbox=1234
+;
+; for any other voicemail context, the following will produce the stutter tone:
+;
+;mailbox=1234@context
+;
+; Enable echo cancellation
+; Use either "yes", "no", or a power of two from 32 to 256 if you wish to
+; actually set the number of taps of cancellation.
+;
+; Note that when setting the number of taps, the number 256 does not translate
+; to 256 ms of echo cancellation. echocancel=256 means 256 / 8 = 32 ms.
+;
+; Note that if any of your Zaptel cards have hardware echo cancellers,
+; then this setting only turns them on and off; numeric settings will
+; be treated as "yes". There are no special settings required for
+; hardware echo cancellers; when present and enabled in their kernel
+; modules, they take precedence over the software echo canceller compiled
+; into Zaptel automatically.
+;
+;
+echocancel=yes
+;
+; As of Zaptel 1.4.8, some Zaptel echo cancellers (software and hardware)
+; support adjustable parameters; these parameters can be supplied as
+; additional options to the 'echocancel' setting. Note that Asterisk
+; does not attempt to validate the parameters or their values, so if you
+; supply an invalid parameter you will not know the specific reason it
+; failed without checking the kernel message log for the error(s)
+; put there by Zaptel.
+;
+;echocancel=128,param1=32,param2=0,param3=14
+;
+; Generally, it is not necessary (and in fact undesirable) to echo cancel when
+; the circuit path is entirely TDM. You may, however, change this behavior
+; by enabling the echo canceller during pure TDM bridging below.
+;
+echocancelwhenbridged=yes
+;
+; In some cases, the echo canceller doesn't train quickly enough and there
+; is echo at the beginning of the call. Enabling echo training will cause
+; Zaptel to briefly mute the channel, send an impulse, and use the impulse
+; response to pre-train the echo canceller so it can start out with a much
+; closer idea of the actual echo. Value may be "yes", "no", or a number of
+; milliseconds to delay before training (default = 400)
+;
+; WARNING: In some cases this option can make echo worse! If you are
+; trying to debug an echo problem, it is worth checking to see if your echo
+; is better with the option set to yes or no. Use whatever setting gives
+; the best results.
+;
+; Note that these parameters do not apply to hardware echo cancellers.
+;
+;echotraining=yes
+;echotraining=800
+;
+; If you are having trouble with DTMF detection, you can relax the DTMF
+; detection parameters. Relaxing them may make the DTMF detector more likely
+; to have "talkoff" where DTMF is detected when it shouldn't be.
+;
+;relaxdtmf=yes
+;
+; You may also set the default receive and transmit gains (in dB)
+;
+; Gain Settings: increasing / decreasing the volume level on a channel.
+; The values are in db (decibells). A positive number
+; increases the volume level on a channel, and a
+; negavive value decreases volume level.
+;
+; There are several independent gain settings:
+; rxgain: gain for the rx (receive - into Asterisk) channel. Default: 0.0
+; txgain: gain for the tx (transmit - out of Asterisk Asterisk) channel.
+; Default: 0.0
+; cid_rxgain: set the gain just for the caller ID sounds Asterisk
+; emits. Default: 5.0 .
+
+;rxgain=2.0
+;txgain=3.0
+;
+; Logical groups can be assigned to allow outgoing roll-over. Groups range
+; from 0 to 63, and multiple groups can be specified. By default the
+; channel is not a member of any group.
+;
+; Note that an explicit empty value for 'group' is invalid, and will not
+; override a previous non-empty one. The same applies to callgroup and
+; pickupgroup as well.
+;
+group=1
+;
+; Ring groups (a.k.a. call groups) and pickup groups. If a phone is ringing
+; and it is a member of a group which is one of your pickup groups, then
+; you can answer it by picking up and dialing *8#. For simple offices, just
+; make these both the same. Groups range from 0 to 63.
+;
+callgroup=1
+pickupgroup=1
+
+; Channel variable to be set for all calls from this channel
+;setvar=CHANNEL=42
+
+;
+; Specify whether the channel should be answered immediately or if the simple
+; switch should provide dialtone, read digits, etc.
+; Note: If immediate=yes the dialplan execution will always start at extension
+; 's' priority 1 regardless of the dialed number!
+;
+;immediate=yes
+;
+; Specify whether flash-hook transfers to 'busy' channels should complete or
+; return to the caller performing the transfer (default is yes).
+;
+;transfertobusy=no
+;
+; caller ID can be set to "asreceived" or a specific number if you want to
+; override it. Note that "asreceived" only applies to trunk interfaces.
+; fullname sets just the
+;
+; fullname: sets just the name part.
+; cid_number: sets just the number part:
+;
+;callerid = 123456
+;
+;callerid = My Name <2564286000>
+; Which can also be written as:
+;cid_number = 2564286000
+;fullname = My Name
+;
+;callerid = asreceived
+;
+; should we use the caller ID from incoming call on zap transfer?
+;
+;useincomingcalleridonzaptransfer = yes
+;
+; AMA flags affects the recording of Call Detail Records. If specified
+; it may be 'default', 'omit', 'billing', or 'documentation'.
+;
+;amaflags=default
+;
+; Channels may be associated with an account code to ease
+; billing
+;
+;accountcode=lss0101
+;
+; ADSI (Analog Display Services Interface) can be enabled on a per-channel
+; basis if you have (or may have) ADSI compatible CPE equipment
+;
+;adsi=yes
+;
+; SMDI (Simplified Message Desk Interface) can be enabled on a per-channel
+; basis if you would like that channel to behave like an SMDI message desk.
+; The SMDI port specified should have already been defined in smdi.conf. The
+; default port is /dev/ttyS0.
+;
+;usesmdi=yes
+;smdiport=/dev/ttyS0
+;
+; On trunk interfaces (FXS) and E&M interfaces (E&M, Wink, Feature Group D
+; etc, it can be useful to perform busy detection either in an effort to
+; detect hangup or for detecting busies. This enables listening for
+; the beep-beep busy pattern.
+;
+;busydetect=yes
+;
+; If busydetect is enabled, it is also possible to specify how many busy tones
+; to wait for before hanging up. The default is 3, but it might be
+; safer to set to 6 or even 8. Mind that the higher the number, the more
+; time that will be needed to hangup a channel, but lowers the probability
+; that you will get random hangups.
+;
+;busycount=6
+;
+; If busydetect is enabled, it is also possible to specify the cadence of your
+; busy signal. In many countries, it is 500msec on, 500msec off. Without
+; busypattern specified, we'll accept any regular sound-silence pattern that
+; repeats <busycount> times as a busy signal. If you specify busypattern,
+; then we'll further check the length of the sound (tone) and silence, which
+; will further reduce the chance of a false positive.
+;
+;busypattern=500,500
+;
+; NOTE: In make menuselect, you'll find further options to tweak the busy
+; detector. If your country has a busy tone with the same length tone and
+; silence (as many countries do), consider enabling the
+; BUSYDETECT_COMPARE_TONE_AND_SILENCE option.
+;
+; To further detect which hangup tone your telco provider is sending, it is
+; useful to use the ztmonitor utility to record the audio that main/dsp.c
+; is receiving after the caller hangs up.
+;
+; Use a polarity reversal to mark when a outgoing call is answered by the
+; remote party.
+;
+;answeronpolarityswitch=yes
+;
+; In some countries, a polarity reversal is used to signal the disconnect of a
+; phone line. If the hanguponpolarityswitch option is selected, the call will
+; be considered "hung up" on a polarity reversal.
+;
+;hanguponpolarityswitch=yes
+;
+; polarityonanswerdelay: minimal time period (ms) between the answer
+; polarity switch and hangup polarity switch.
+; (default: 600ms)
+;
+; On trunk interfaces (FXS) it can be useful to attempt to follow the progress
+; of a call through RINGING, BUSY, and ANSWERING. If turned on, call
+; progress attempts to determine answer, busy, and ringing on phone lines.
+; This feature is HIGHLY EXPERIMENTAL and can easily detect false answers,
+; so don't count on it being very accurate.
+;
+; Few zones are supported at the time of this writing, but may be selected
+; with "progzone".
+;
+; progzone also affects the pattern used for buzydetect (unless
+; busypattern is set explicitly). The possible values are:
+; us (default)
+; ca (alias for 'us')
+; cr (Costa Rica)
+; br (Brazil, alias for 'cr')
+; uk
+;
+; This feature can also easily detect false hangups. The symptoms of this is
+; being disconnected in the middle of a call for no reason.
+;
+;callprogress=yes
+;progzone=uk
+;
+; Set the tonezone. Equivalent of the defaultzone settings in
+; /etc/zaptel.conf . This sets the tone zone by number.
+; Note that you'd still need to load tonezones (loadzone in zaptel.conf).
+; The default is -1: not to set anything.
+;tonezone = 0 ; 0 is US
+;
+; FXO (FXS signalled) devices must have a timeout to determine if there was a
+; hangup before the line was answered. This value can be tweaked to shorten
+; how long it takes before Zap considers a non-ringing line to have hungup.
+;
+; ringtimeout will not update on a reload.
+;
+;ringtimeout=8000
+;
+; For FXO (FXS signalled) devices, whether to use pulse dial instead of DTMF
+; Pulse digits from phones (FXS devices, FXO signalling) are always
+; detected.
+;
+;pulsedial=yes
+;
+; For fax detection, uncomment one of the following lines. The default is *OFF*
+;
+;faxdetect=both
+;faxdetect=incoming
+;faxdetect=outgoing
+;faxdetect=no
+;
+; This option specifies a preference for which music on hold class this channel
+; should listen to when put on hold if the music class has not been set on the
+; channel with Set(CHANNEL(musicclass)=whatever) in the dialplan, and the peer
+; channel putting this one on hold did not suggest a music class.
+;
+; If this option is set to "passthrough", then the hold message will always be
+; passed through as signalling instead of generating hold music locally. This
+; setting is only valid when used on a channel that uses digital signalling.
+;
+;mohinterpret=default
+;
+; This option specifies which music on hold class to suggest to the peer channel
+; when this channel places the peer on hold.
+;
+;mohsuggest=default
+;
+; PRI channels can have an idle extension and a minunused number. So long as
+; at least "minunused" channels are idle, chan_zap will try to call "idledial"
+; on them, and then dump them into the PBX in the "idleext" extension (which
+; is of the form exten@context). When channels are needed the "idle" calls
+; are disconnected (so long as there are at least "minidle" calls still
+; running, of course) to make more channels available. The primary use of
+; this is to create a dynamic service, where idle channels are bundled through
+; multilink PPP, thus more efficiently utilizing combined voice/data services
+; than conventional fixed mappings/muxings.
+;
+; Those settings cannot be changed on reload.
+;
+;idledial=6999
+;idleext=6999@dialout
+;minunused=2
+;minidle=1
+;
+; Configure jitter buffers in Zapata (each one is 20ms, default is 4)
+; This is set globally, rather than per-channel.
+;
+;jitterbuffers=4
+;
+;------------------------------ JITTER BUFFER CONFIGURATION --------------------------
+; jbenable = yes ; Enables the use of a jitterbuffer on the receiving side of a
+ ; ZAP channel. Defaults to "no". An enabled jitterbuffer will
+ ; be used only if the sending side can create and the receiving
+ ; side can not accept jitter. The ZAP channel can't accept jitter,
+ ; thus an enabled jitterbuffer on the receive ZAP side will always
+ ; be used if the sending side can create jitter.
+
+; jbmaxsize = 200 ; Max length of the jitterbuffer in milliseconds.
+
+; jbresyncthreshold = 1000 ; Jump in the frame timestamps over which the jitterbuffer is
+ ; resynchronized. Useful to improve the quality of the voice, with
+ ; big jumps in/broken timestamps, usually sent from exotic devices
+ ; and programs. Defaults to 1000.
+
+; jbimpl = fixed ; Jitterbuffer implementation, used on the receiving side of a ZAP
+ ; channel. Two implementations are currently available - "fixed"
+ ; (with size always equals to jbmax-size) and "adaptive" (with
+ ; variable size, actually the new jb of IAX2). Defaults to fixed.
+
+; jblog = no ; Enables jitterbuffer frame logging. Defaults to "no".
+;-----------------------------------------------------------------------------------
+;
+; You can define your own custom ring cadences here. You can define up to 8
+; pairs. If the silence is negative, it indicates where the caller ID spill is
+; to be placed. Also, if you define any custom cadences, the default cadences
+; will be turned off.
+;
+; This setting is global, rather than per-channel. It will not update on
+; a reload.
+;
+; Syntax is: cadence=ring,silence[,ring,silence[...]]
+;
+; These are the default cadences:
+;
+;cadence=125,125,2000,-4000
+;cadence=250,250,500,1000,250,250,500,-4000
+;cadence=125,125,125,125,125,-4000
+;cadence=1000,500,2500,-5000
+;
+; Each channel consists of the channel number or range. It inherits the
+; parameters that were specified above its declaration.
+;
+; For GR-303, CRV's are created like channels except they must start with the
+; trunk group followed by a colon, e.g.:
+;
+; crv => 1:1
+; crv => 2:1-2,5-8
+;
+;
+;callerid="Green Phone"<(256) 428-6121>
+;channel => 1
+;callerid="Black Phone"<(256) 428-6122>
+;channel => 2
+;callerid="CallerID Phone" <(630) 372-1564>
+;channel => 3
+;callerid="Pac Tel Phone" <(256) 428-6124>
+;channel => 4
+;callerid="Uniden Dead" <(256) 428-6125>
+;channel => 5
+;callerid="Cortelco 2500" <(256) 428-6126>
+;channel => 6
+;callerid="Main TA 750" <(256) 428-6127>
+;channel => 44
+;
+; For example, maybe we have some other channels which start out in a
+; different context and use E & M signalling instead.
+;
+;context=remote
+;sigalling=em
+;channel => 15
+;channel => 16
+
+;signalling=em_w
+;
+; All those in group 0 I'll use for outgoing calls
+;
+; Strip most significant digit (9) before sending
+;
+;stripmsd=1
+;callerid=asreceived
+;group=0
+;signalling=fxs_ls
+;channel => 45
+
+;signalling=fxo_ls
+;group=1
+;callerid="Joe Schmoe" <(256) 428-6131>
+;channel => 25
+;callerid="Megan May" <(256) 428-6132>
+;channel => 26
+;callerid="Suzy Queue" <(256) 428-6233>
+;channel => 27
+;callerid="Larry Moe" <(256) 428-6234>
+;channel => 28
+;
+; Sample PRI (CPE) config: Specify the switchtype, the signalling as either
+; pri_cpe or pri_net for CPE or Network termination, and generally you will
+; want to create a single "group" for all channels of the PRI.
+;
+; switchtype cannot be changed on a reload.
+;
+; switchtype = national
+; signalling = pri_cpe
+; group = 2
+; channel => 1-23
+
+;
+
+; Used for distinctive ring support for x100p.
+; You can see the dringX patterns is to set any one of the dringXcontext fields
+; and they will be printed on the console when an inbound call comes in.
+;
+; dringXrange is used to change the acceptable ranges for "tone offsets". Defaults to 10.
+; Note: a range of 0 is NOT what you might expect - it instead forces it to the default.
+; A range of -1 will force it to always match.
+; Anything lower than -1 would presumably cause it to never match.
+;
+;dring1=95,0,0
+;dring1context=internal1
+;dring1range=10
+;dring2=325,95,0
+;dring2context=internal2
+;dring2range=10
+; If no pattern is matched here is where we go.
+;context=default
+;channel => 1
+
+; ---------------- Options for use with signalling=ss7 -----------------
+; None of them can be changed by a reload.
+;
+; Variant of SS7 signalling:
+; Options are itu and ansi
+;ss7type = itu
+
+; SS7 Called Nature of Address Indicator
+;
+; unknown: Unknown
+; subscriber: Subscriber
+; national: National
+; international: International
+; dynamic: Dynamically selects the appropriate dialplan
+;
+;ss7_called_nai=dynamic
+;
+; SS7 Calling Nature of Address Indicator
+;
+; unknown: Unknown
+; subscriber: Subscriber
+; national: National
+; international: International
+; dynamic: Dynamically selects the appropriate dialplan
+;
+;ss7_calling_nai=dynamic
+;
+;
+; sample 1 for Germany
+;ss7_internationalprefix = 00
+;ss7_nationalprefix = 0
+;ss7_subscriberprefix =
+;ss7_unknownprefix =
+;
+
+; All settings apply to linkset 1
+;linkset = 1
+
+; Point code of the linkset. For ITU, this is the decimal number
+; format of the point code. For ANSI, this can either be in decimal
+; number format or in the xxx-xxx-xxx format
+;pointcode = 1
+
+; Point code of node adjacent to this signalling link (Possibly the STP between you and
+; your destination). Point code format follows the same rules as above.
+;adjpointcode = 2
+
+; Default point code that you would like to assign to outgoing messages (in case of
+; routing through STPs, or using A links). Point code format follows the same rules
+; as above.
+;defaultdpc = 3
+
+; Begin CIC (Circuit indication codes) count with this number
+;cicbeginswith = 1
+
+; What the MTP3 network indicator bits should be set to. Choices are
+; national, national_spare, international, international_spare
+;networkindicator=international
+
+; First signalling channel
+;sigchan = 48
+
+; Channels to associate with CICs on this linkset
+;channel = 25-47
+;
+; For more information on setting up SS7, see the README file in libss7 or
+; the doc/ss7.txt file in the Asterisk source tree.
+; ----------------- SS7 Options ----------------------------------------