I am looking for some help in finding a call flow process steps or diagram.
A phone goes off hook and contacts the Publisher via XYZ protocol
The Publisher then does this and that
A number is pressed on the phone and this happens
I hope that makes since. I'm just looking for detailed step-by-step lists or diagrams about how the phones, servers, etc. work together in different scenarios. I've looked around for awhile have not found anything yet.
Ok. So, here are the basics. 1st - the Publisher should typically NOT have phones registered to it. The Subscriber is the primary call processing node. So, your example would be this:
Phone goes off --> SCCP Off-Hook message goes to Subscriber
Subscriber says "Ok, you're off-hook you should hear dial tone" --> SCCP message goes to phone telling it to play dial tone
Phone dials 7035551212 --> For each digit, a SCCP message is sent to the Subscriber and it collects this digits for call processing, it finds a match
Subscriber sends a SCCP message to the phone with 7035551212 and tells the phone to ring
Subscriber sends a SCCP message to the dialing phone telling to to play ringback tone
Each party picks up and SCCP messages are received by the Subscriber and at this time, it sends each phone a Start Media Transmission message
At this point each phone opens up a channel to send/receive RTP streams directly to each other
The subscriber is not involved in the call flow unless one of the phones invokes a supplementary service (hold, transfer, etc) and then when each phone hangs up, the Subscriber sends a message to each phone to tear down the RTP channel between each phone.
Greetings, Wanted to share a few lessons learned while migrating from a distributed to centralized IMP deployment. Our current setup included many CUCM/IMP distributed clusters with centralized Expressway server for MRA login. We did not wish to perf...
Parsec's Cisco UCCE/PCCE CC Connector application for CRM works as a bridge between the CRM and Cisco UCCE/PCCE CC solution.The CRM can be any cloud based CRM like Salesforce (SFDC), ServiceNow ,MS Dynamics or a 3rd party CRM.The CRM user/Agent will have ...
It’s a feature which allows CUCM to determine whether the phone is in its home location or a roaming station.By enabling this feature users can roam from one site to another site and acquire the site-specific settings such as Codecs, MRGL, Call rout...
Cisco just Announced their new Collaboration Toolbox resources portal. You can check it out here https://collabtoolbox.cisco.com/ It has a bunch of tools a partner can find helpful. But if your interested in learning which...