top button
Flag Notify
    Connect to us
      Site Registration

Site Registration

VOLTE and SIP/IMS are the same technology or VOLTE is like normal 2G call?

–1 vote
518 views
VOLTE and SIP/IMS are the same technology or VOLTE is like normal 2G call?
posted Aug 21, 2017 by Rohit Verma

Share this question
Facebook Share Button Twitter Share Button LinkedIn Share Button

1 Answer

+1 vote

VoLTE (Voice over LTE) is a packet switched way to provide voice services through the LTE network. It is IMS based and IMS works using the SIP based signaling messages and data through the real-time packets (RTP). The same voice service in 2G is a circuit switched service since it is a circuit switched service it is completely different from the VoLTE.

answer Aug 22, 2017 by Harshita
Similar Questions
0 votes
VoLTE: How does voice call establish when one party using VoLTE technology and the other one using 2G ?

Is there any node in the network which makes bridge between VoLTE and 2G system to serve voice call between two users ?

0 votes
In IMS VoLTE call, how to identify IPs assigned to phone numbers from control traffic (SIP, SDP …)?

In IMS VoLTE setting of a telecom network, what part/field of which type of packet (SIP, SDP, others...) gives authentic information of MSISDN-IP mapping? From a sample traffic, I need to find out information from control traffic about what IP is assigned to what phone number. In the sample traffic, I see a lot of protocols (SIP, SDP, RTP, DIAMETER, ISUP, ....). I require to find out IPs assigned to phone numbers. I know RTP flows between end devices (phones), but I need to find out IPs before the call is established...

+1 vote
MT Call from 2G/3G to VoLTE User

How does a MT Call comes from Legacy Network to VoLTE Registered User? Will It comes with a SIP INVITE or as a CS Service Notification? Any Spec References?

+1 vote
IMS: When a dedicated bearer is established for a VoLTE call and which node initiates it ?

Which of the network node initiates dedicated bearer creation for the VoLTE call ?

0 votes
Can a VoLTE Call Data flow on IMS Default Bearers?

In Other Words VoLTE Call Established and No Dedicated Bearers established by NW, Is it Possible the call will be stable ? Can It use IMS Defaulr Bearers for the Call?

...