What is 3G call flow?
Call flow describes the process by which a network routes a call to a mobile device. Even LTE devices still use 3G networks for most voice calls. 3G call flow is different in a GSM network than in a CDMA network.
Is 3GPP part of ETSI?
3GPP now encompasses seven SDOs: ETSI (Europe and rest of world), ATIS (USA), ARIB and TTC (Japan), TTA (South Korea), CCSA (China) and TSDSI (India). Technical input comes from around 2000 delegates representing member organizations of these SDOs.
What is GSM call flow?
GSM Inter-MSC Handover Call Flow This call flow describes the handover between two cells handled by different MSCs.
What is 3GPP project based on Wcdma?
3GPP was created as the standards organization behind UMTS/wideband CDMA (W-CDMA). UMTS is essentially the 3G upgrade to the 2G GSM networks. UMTS/W-CDMA technologies used a 5 megahertz (MHz) bandwidth carrier. 3GPP2 developed separate standards for 3G technologies, known as CDMA2000.
How does a call flow work?
Once a call is made to your phone number (or phone numbers), call flows chart the call’s journey and route calls from the first menu to the end of the call. Call flows plan exactly what customers will experience when they make first contact, and also show what will happen if lines are busy, unanswered, or misdirected.
How do I read 3GPP files?
All 3GPP specifications have a specification number consisting of 4 or 5 digits. (e.g. 09.02 or 29.002). The first two digits define the series, followed by 2 further digits for the 01 to 13 series or 3 further digits for the 21 to 55 series.
What is call flow in LTE?
The LTE call flow navigates over the elements of the network going through certain steps in order to complete its end-to-end signaling from the user equipment (UE) all the way to the rest of the network components.
What are the three types of call flow?
Attendant manages three types of call flows (inbound, outbound, and calls to the operator).
How do you document call flows?
5 Steps to Write a Call Flow in Word
- Decide what not to include.
- Outline the critical path along with branches.
- List suggested ‘prompts’
- Review for completeness.
- Iterate, clarify, and simplify.
What are the steps of call flow?
By “call flow” we refer to a system designed to intelligently convey a call through every stage of its interaction with a company….Below, we have gathered seven.
- Greeting.
- Authentication.
- Identify the issue.
- Empathize with the caller.
- Troubleshooting.
- Summarizing.
- Branding.
What is 3G UMTS?
UMTS (Universal Mobile Telecommunications Service) is a third-generation (3G) broadband, packet-based transmission of text, digitized voice, video, and multimedia at data rates up to 2 megabits per second (Mbps).
What is 3GPP in telecom?
3GPP, or the 3rd Generation Partnership Project, was initially formed in December 1998 when the European Telecommunications Standards Institute (ETSI) partnered with other standard development organizations (SDOs) from around the world to develop new technologies (or more specifically, technology specifications) for …
How can I see my 3GPP specs?
The 3GPP specs are published as ETSI deliverables, and these are available in PDF form http://www.etsi.org/standards-search. But you can download a free Word viewer (i.e. read only) from the Microsoft web site.
What is IMS call flow?
The calling IMS subscriber is currently roaming outside the home network. The called user is registered in the home network. The caller and the called user require resource reservation before the call can be setup.
What is call flow diagram?
The call flow diagram is similar to a UML sequence diagram. The call flow diagram displays the sequence of messages that are sent between agents and servers. The SIP Modeling Toolkit provides some base classes that specify all the messages and responses specified in RFC 3261.
What does call flow contain?
A call flow is a road map to how calls will be handled from the moment they enter the phone system to the end of the call. Call flows can be used to handle even the most complex call scenarios and enable great customer care.