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ViciDialSVN/agc_2-X/trunk/docs/CROSS_CLUSTER_COMMUNICATION.txt
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mattf 796544f446 Added basic one-way Cross-Cluster-Communication feature
Added ccc_lead_info API function
If phone entry fullname and cidnumber are empty, don't populate a callerid conf line in ADMIN_keepalive_ALL.pl script

git-svn-id: svn://192.168.202.10@2776 3d104415-ff17-0410-8863-d5cf3c621b8a
2017-06-09 20:13:55 +00:00

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CROSS-CLUSTER COMMUNICATION Started: 2011-05-27 Updated: 2017-06-09
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SIMPLER IMPLEMENTED OPTION: implemented in SVN/trunk revision 2776
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Below is a description of a simple cross-cluster option, which is to send lead data in one direction from one cluster to another as a phone call is sent over.
- A call to be sent from one cluster to another should leave its callerIDname as the Caller Code, the 20-character code that includes the lead_id
- This call will go through an IAX trunk between the two systems into an internal DID on the destination cluster
Set up an IAX "carrier" on the originating cluster and an IAX "phone" on the destination cluster to link the two together.
(Note: the phone entry on the destination cluster must have the Outbound CallerID and Fullname fields blank)
The destination phone entry needs to use "trunkinbound" as it's phone and exten context
- At the DID, the call will get sent to a Call Menu where the call will go through an AGI script
Set the prompt to "wait-moment|cm_sc_ccc_lookup_insert.agi,ccc_test---8199"
# Flag Options: (separated by triple-pipe: "---")
# 1- container_id for settings container with URL to send
# 2- local list_id to insert lead into(if not populated, will use external system's list_id for the lead)
- The AGI script will use parameters defined in a Settings Container for the URL of the originating system's Non-Agent API and credentials
The originating server will need to set up a user of level 8 with view reports and Agent API abilities, and the ccc_lead_info API function enabled
You will need to add a Settings Container to hold the URL for the originating system to look up the lead data, something like this:
http://server/vicidial/non_agent_api.php?user=6666&pass=1234&source=test&function=ccc_lead_info&call_id=--A--call_id--B--
- That AGI script will look up the lead on the originating system using the Non-Agent API and credentials set in a Settings Container
- The originating system will validate that the caller_code was a valid recent call before sending any data(within last 10 hours)
- If there is a match, then the AGI script will gather the default lead information, insert the information into the new system and change the callerIDname with the destination system's lead_id included
- The call will then go to option "A" and should probably be routed to an In-Group with the handle method set to "CLOSER" so it can go to an agent
NOTES:
# If lead is not found on external system, call will go to the 'B' option in the call menu
# If container is not found, call will go to the 'C' option in the call menu
# If call_id is not defined, call will go to the 'D' option in the call menu
BELOW THIS LINE ARE THE OLD PLANNING NOTES FOR A MUCH MORE COMPLEX CROSS-CLUSTER SETUP DESIGN
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!!!!! THIS FEATURE DOES NOT EXIST AS DESCRIBED BELOW, THIS IS FOR PLANNING PURPOSES ONLY !!!!!
This is a planning document for how different vicidial clusters can communicate
with each other to send various types of information between them. The overall
goal is to allow for many clusters to talk to each other.
Some of the types of communication that we would like to achieve are:
- Setup of crossover trunks(SIP/IAX) allowing for 1-way or 2-way calling
- Allowing lookup of lead information while transferring between clusters
- Allow transmission of number of calls in queue, agents available and other stats
- Allow routing of calls to another cluster based upon total daily call percentage, drop rate, number of waiting calls or number of waiting agents
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DATABASE AND ADMIN CHANGES:
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A new options in System Settings will be added:
- cross_cluster_enabled - Y/N
- local_cluster_id - the id that is used for this cluster by other clusters
This will require a new Admin subsection for cluster configuration:
- cluster_id
- cluster_name
- active - Y/N
- cluster_primary_server
- cluster_trunk_protocall - SIP/IAX
- cluster_agent_api_url
- cluster_nonagent_api_url
- cluster_api_user
- cluster_api_pass
- cluster_api_permissions - lead_lookup, user_lookup, ingroup_lookup, etc...
- cluster_user_group - used to define the campaigns/ingroups cluster is allowed to get info on
- <readonly auto-updated> cluster_dst, cluster_tz, cluster_local_gmt_now
There will be new options added to Servers:
- local_gmt_now - current calculated gmt offset
- cluster_id - default will be LOCAL cluster
- cluster_call_direction - IN_FROM_CLUSTER, OUT_TO_CLUSTER, BOTH, NONE
- cluster_server_ip - SERVER_IP, ALT_IP, EXTERNAL_IP
There will be a new table added to link lead_ids on clusters:
-vicidial_list_cluster_link
- lead_id
- cluster_id
- cluster_lead_id
- call_date
- caller_code
New table to keep track of the active in-groups and campaigns on other clusters
- group_id
- name
- type - INGROUP, CAMPAIGN
- cluster_id
Some tables will have a "cluster_id" field added to them to show where the call came from
- vicidial_auto_calls
- vicidial_campaign_stats
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NON-AGENT API CHANGES:
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lead_id_lookup:
- REQUIRES: cluster_id, caller_code
- RETURNS: all lead and call information
lead_notes_lookup:
- REQUIRES: cluster_id, lead_id
- RETURNS: call history for lead_id including per-call notes
ingroup_status:
- REQUIRES: cluster_id, group_id
- RETURNS: status, after hours, number of agents waiting/incall/paused/total, number of calls waiting, calls today, drops today, drop %
campaign_status:
- REQUIRES: cluster_id, campaign_id
- RETURNS: status, number of agents waiting/incall/paused/total, number of calls waiting, calls today, drops today, dialable leads, drop %
ingroup_campaign_list:
- REQUIRES: cluster_id
- RETURNS: ID and name of all active campaigns and in-groups on the cluster
cluster_server_status:
- REQUIRES: cluster_id
- RETURNS: listing of defined servers, their current times as well as PHP and DB times
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CALL FLOW AND TRUNK CHANGES:
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- IAX/SIP crossover trunks would be added between every server on every active cluster(depending on direction settings)
- dialplan context would be added for each foreign cluster to route calls with proper cluster_id flag allowing for lookups of lead information