Few words about
Group Chat services:
Channel Service: Channel
service implements group chat features.
Lookup service: Lookup
service finds the right channel service for the group chat client.
Web Service: Helps
to transfer the file through group chat clients.
Compliance Service:
Integrates with archiving solutions.
Can we use Microsoft Office Communicator as a group chat client? :
No… Microsoft provides
a separate group chat client. It is called Group Chat Console (GCC).
What does OCS offer to the Group Chat setup?
OCS server provides
SIP and routing service.
What is the step by step approach?
·
Group Chat Console
(Group Chat client) sends invite to ocschat@SIPDOMAIN (by default, until manually
changed).
·
OCS routes this invite
to Group Chat lookup service. In case of multiple group chat services, MPOP decisioning
is used to route the request to lookup service.
·
Lookup service picks
the available Channel Service URI (round robin basis) to the Group Chat Console.
·
Group Chat Console
cancels session with Lookup service.
·
Group Chat Console
sends invite to Channel server URI.
·
Channel server URI
accepts session.
·
Group Chat protocol
is sent between group chat console and Channel service using INFO packet.
·
Group Chat Console
sends message to Channel server URI.
·
Channel service resolves
SIP URI of online participants of channel.
·
Channel service sends
message to each participant.
·
Channel service writes
a copy of the message to DB (if configured).
·
Channel service submits
message to MSMQ (If compliance is configured).
Note: All Lookup Service share common URI (by default
ocschat@SIPDOMAIN) and all channel service has their own URI.
What is the age of Archived data in Group Chat
server?
As long as you maintain the group
chat database. This is not configurable from the Group Chat server console.
Can we delete the group
chat rooms?
Group chat room can't be deleted
after creation. It can be disabled if you dont want to use it further.
What are the protocols involved in the Group Chat Communication?
SIP over TLS:
Between Group Chat
client and OCS Pool\Server
SIP over MTLS:
Between Lookup service
and OCS pool
Between Channel service
and OCS pool
MSMQ:
Between Channel service
and Compliance service
HTTPS:
Group Chat Client uses
to upload and download files.
Can you please provide the group chat communication SIP Flow?
SIP Flow in Group Chat setup…
