asterisk/configs/samples/geolocation.conf.sample

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  Geolocation Profile Sample Configuration

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=======================================================================
  Overview
=======================================================================

Geolocation information is actually comprised of two objects, a
Location object, and a Profile object.

Location objects must contain one of the following:

  - Location information specified in Geographic Markup Language
    (GML) or civicAddress formats.

  - A URI that points to externally hosted location information.

Profile objects contain instructions for the disposition of location
information, an optional reference to a Location object, and updates or
overrides to that Location object if specified.

Channel drivers and the dialplan functions are responsible for
associating Profiles to endpoints/devices and calls.  Normally, two
profiles would be assigned to an endpoint to control behavior in each
direction and to optionally specify location information.  One for
incoming calls (Asterisk is the UAS) and and one for outgoing calls
(Asterisk is the UAC).

NOTE:

See https://wiki.asterisk.org/wiki/display/AST/Geolocation for the most
complete and up-to-date information on valid values for the object
parameters and a full list of references.

GENERAL CAUTION:  You must coordinate with your partners with regards
to what location information is expected by each party and how it should
be formatted.  An outgoing configuration mismatch for instance, could
result in misinformation or no information being sent to an emergency
response center or even call failure for which you are solely responsible.
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=======================================================================
  Location Object Description
=======================================================================
[<location_id>]

-- type (required) ----------------------------------------------------
Defines the object type.
type = location

Must be "location" to identify this configuration section as a
Geolocation Location object.

-- format (required) --------------------------------------------------
Sets the format used to express the location.
format = < civicAddress | GML | URI >

Values:
civicAddress: [RFC4119] [RFC5139] [RFC5491]
              The location information will be placed in an XML document
              conforming to the PIDF-LO standard.
              For chan_pjsip, this will be placed in the body of
              outgoing INVITE messages in addition to any SDP.

GML:          [RFC4119] [RFC5491] [GeoShape]
              The location information will be placed in an XML document
              conforming to the PIDF-LO standard.
              For chan_pjsip, this will be placed in the body of
              outgoing INVITE messages in addition to any SDP.

URI:          [RFC6442]
              The external URI at which the the location information
              can be found.  For chan_pjsip, this URI will be placed
              in a "Geolocation" header in outgoing INVITE messages.

There is no default.

Example:
format = civicAddress

-- location_info (required) -------------------------------------------
The location-format-specific information describing the location.
location_info = <location_format_specific_description>

For readability, multiple "location" parameters can be specified and
they will be concatenated into one specification.  The description may
contain replacement variables which may be the names of common channel
variables like ${EXTEN}, channel variables you may have added in the
dialplan, or variables you may have specified in the profile that
references this location object.

NOTE: See https://wiki.asterisk.org/wiki/display/AST/Geolocation for the
most complete and up-to-date information on valid values for the object
parameters and a full list of references.

WARNING: Asterisk can only validate that a particular sub-parameter
name is valid for a particular format. It can't validate the actual
value of the sub-parameter.

Example for civicAddress:

location_info = country=US
location_info = A1="New York", A3="New York", A4=Manhattan,  
location_info = HNO=1633, PRD=W, RD=46th, STS=Street  
location_info = PC=10222

Example for GML with replacement variables:

location_info = type=Point, crs=2d, pos="${mylat} ${mylon}"

Example for URI with replacement variables:
location_info = URI=https://some.company.com?number=${phone_number}

-- method (optional) --------------------------------------------------
The method used to determine the location_info
method = <"GPS" | "A-GPS" | "Manual" | "DHCP"
              | "Triangulation" | "Cell" | "802.11">

Example:
method = Manual

-- location_source (optional) -----------------------------------------
Original source of the location-info.
location_source = < FQDN >

The value MUST be a FQDN.  IP addresses are specifically not
allowed.  See RFC8787.

Example:
location_source = sip1.myserver.net

-- Location Example ---------------------------------------------------

[mylocation]
type = location
format = civicAddress
location_info = country=US
location_info = A1="New York", A3="New York", A4=Manhattan  
location_info = HNO=1633, PRD=W, RD=46th, STS=Street  
location_info = PC=10222
method = Manual
location_source = sip1.myserver.net

=======================================================================
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=======================================================================
  Profile Object Descriptions
=======================================================================
[<profile_id>]

-- type (required) ----------------------------------------------------
Defines the object type.
type = profile

-- profile_action (optional) ------------------------------------------
Sets how to reconcile incoming and configured profiles.
profile_action = < prefer_incoming | prefer_config | discard_incoming
    | discard_config >

On an incoming call leg, "incoming" is the location description
received in the SIP INVITE (if any) and "config" is this profile.

On an outgoing call leg, "incoming" is the location description
passed through the dialplan to this channel (if any) and "config"
is this profile.

Values:

prefer_incoming:  If there's an incoming location description, use it
                  even if there's also a configured one.
prefer_config:    If there's a configured location description, use it
                  even if there's also an incoming one.
discard_incoming: Discard any incoming location description. If there's
                  a configured one, use it.  If not, no location
                  information is propagated.
discard_config:   Discard any configured location description. If
                  there's an incoming one, use it.  If not, no location
                  information is propagated.

discard_incoming is the default.

Example:
profile_action = prefer_config

-- pidf_element (optional) --------------------------------------------
PIDF-LO element in which to place the location description.
pidf_element = < tuple | device | person >

If the format is civicAddress or GML, this sets the PIDF element into
which the location information will be placed.

Values:
tuple:  Places the information in a "tuple" element.
device: Places the information in a "device" element.
person: Places the information in a "person" element.

Per [RFC5491], "device" is preferred and therefore the default.

Example:
pidf_element = tuple

-- geolocation_routing (optional) -------------------------------------
Sets whether the "Geolocation-Routing" header is added to outgoing
requests.
geolocation_routing = < yes | no >

Set to "yes" to indicate that servers later in the path
can use the location information for routing purposes.  Set to "no"
if they should not.  If this value isn't specified, no
"Geolocation-Routing" header will be added.

Example:
geolocation_routing = yes

-- location_reference (optional) --------------------------------------
The name of an existing Location object.
location_reference = <location_id>

The location_info_refinement and location_variables parameters below can
be used to refine the location object for this specific profile.

Example:
location_reference = "my_building"

-- location_info_refinement (optional) --------------------------------
Location info to add to that already retrieved from the location object.

location_info_refinement = <location_format_specific_description>

The information in the referenced Location object can be refined on a
per-profile basis.  For example, if the referenced Location object has a
civicAddress for a building, you could set location_refinement to add a
floor and room just for this profile

Example:
location_info_refinement = floor=20, room=20a2

-- location_variables -------------------------------------------------

If the referenced Location object uses any replacement variables, they
can be assigned here.  There is no need to define variables that come
from the channel using this profile.  They get assigned automatically.

location_variables = myfloor=20, myroom=222

-- Profile Example ----------------------------------------------------

[myprofile]
type = profile
location_reference = mylocation
location_info_refinement = floor=20, room=20a2
pidf_element = tuple
profile_action = discard_incoming

=======================================================================
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