top button
Flag Notify
    Connect to us
      Facebook Login
      Site Registration Why to Join

Facebook Login
Site Registration

volte call failed with Unknown NAS message

+1 vote
53 views

Hello there,
Please let me know what is Unknown NAS ? for below case!

enter image description here

posted Mar 19 by Sivakumar.d

Looking for an answer?  Promote on:
Facebook Share Button Twitter Share Button LinkedIn Share Button

Similar Questions
0 votes

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

0 votes

For each bearer in volte there are QCI and ARP parameters, for example default bearer qci 9 arp value, qci 5 arp value, qci 1 arp value, and the ARP has the PCI and PVI parameters too.

So in volte network if we need to have a VIP user how will be the mapping between QCI and ARP values?
And this ARP values need to be configured in the Hss for the user and also in the PCRF?

+1 vote

In the TR 23.749 (Study on S8HR Architecture for VoLTE), it is mentioned that in LBO integration, calls to non routable local numbers such as local Short-code, 1800XXX services are translated by the VPLMN.

How the translation is done in VPLMN. Is it performed by the P-CSCF?

0 votes

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...

Contact Us
+91 9880187415
sales@queryhome.net
support@queryhome.net
#280, 3rd floor, 5th Main
6th Sector, HSR Layout
Bangalore-560102
Karnataka INDIA.
QUERY HOME
...