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Call Camping

About​

Call camping, or camp-on, allows setting the the incoming call to wait if the bridge destination is occupied.

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Variables​

This behavior is controlled by a number of channel variables that need to be set up before calling bridge application:

campon​

boolean Controls whether camping is enabled or not.

Default: false

Usage

<action application="set" data="campon=true"/>
<action application="bridge" data="sofia/gateway/myprovider/5551231234"/>

campon_announce_sound​

string File to play back after the first bridge fails (e.g. to announce what key to press to skip to fallback extension).

Default: none

Usage

<action application="set" data="campon=true"/>
<action application="set" data="campon_stop_key=1"/>
<action application="set" data="campon_announce_sound=press_one_to_stop.wav"/>
<action application="bridge" data="sofia/gateway/myprovider/5551231234"/>

campon_fallback_context​

string Optional context name where the call is transferred for fallback

campon_fallback_exten​

string Extention number where the call is transferred for fallback

campon_hold_music​

string Optional hold music to play while camping instead of default hold_music.

Usage

<action application="set" data="campon=true"/>
<action application="set" data="campon_hold_music=/data/campmusic/RelaxingCampSounds.wav"/>
<action application="bridge" data="sofia/gateway/myprovider/5551231234"/>

campon_retries​

integer Controls how many times the bridge will be retried before falling back.

Default: 100

Usage

<action application="set" data="campon=true"/>
<action application="set" data="campon_retries=13"/>
<action application="bridge" data="sofia/gateway/myprovider/5551231234"/>

campon_sleep​

integer Controls how long to wait before starting a retry.

Default: 10

Usage

<action application="set" data="campon=true"/>
<action application="set" data="campon_sleep=30"/>
<action application="bridge" data="sofia/gateway/myprovider/5551231234"/>

campon_stop_key​

dtmf digit DTMF digit that breaks the campon loop and skips directly to fallback extension

Default: none

Usage

<action application="set" data="campon=true"/>
<action application="set" data="campon_stop_key=1"/>
<action application="set" data="campon_announce_sound=press_one_to_stop.wav"/>
<action application="set" data="campon_fallback_exten=1000"/>
<action application="bridge" data="sofia/gateway/myprovider/5551231234"/>

campon_timeout​

integer This variable controls how long to attempt each bridge before timing out. It works exactly like call_timeout but only applies to camping.

Default: 10

Usage

<action application="set" data="campon=true"/>
<action application="set" data="campon_timeout=20"/>
<action application="bridge" data="sofia/gateway/myprovider/5551231234"/>

Examples​

<action application="set" data="campon=true"/>
<action application="set" data="campon_stop_key=1"/>
<action application="set" data="campon_announce_sound=press_one_to_stop.wav"/>
<action application="set" data="campon_fallback_exten=1000"/>
<action application="bridge" data="sofia/gateway/myprovider/5551231234"/>