Free Erlang traffic calculators

The world's first online Erlang traffic calculators

Telecom Traffic Online
  Home | Free calculators | Products | Tech. papers | Forum | About us
Erlang for Excel
A-Z termination using H.323 and SIP
A-Z termination
  • VoIP softswitch

    DUAL Softswitch is a complete Voice over IP switching and billing solution.  Flat monthly rate.

    Web control panels; Least Cost Routing; Excel tariff uploads; SIP and H323 support.

    H323 SIP softswitch >>

  • VoIP calling

    Premium quality termination for wholesale carriers with their own VoIP switch.

    44Direct >>


    Our lowest rates for wholesale carriers with their own VoIP switch.

    44Mobile >>


    Our unique online callshop billing system.

    Bill My Calls >>

RRC connection Failure

  • Erlang for Excel

    An Add-In for Microsoft Excel that lets you use Erlang B and C functions in your own Excel spreadsheets.

    The ultimate in Erlang traffic modelling flexibility and data sharing.

  • Erlang Calculators

    An easy to use and fast Windows product offering Erlang B, Extended Erlang B, Erlang C and Call Minutes calculators.

    Four products in one, plus Erlang for Excel free.

  • VoIP Calculator

    Our entry level VoIP calculator allowing you to easily calculate your Voice over IP bandwidth requirements.

    Supports multiple codecs and packet intervals and RTP header compression.

shankar - 22nd August 2015  (18:06 GMT)

what is the reason for RRC connection failure?

AKV - 13th August 2015  (07:01 GMT)

Call was released before connection

sanjay Ku Sahoo - 31st July 2015  (02:55 GMT)

RRC FAILURE & RAB FAILURE IN WCDMA

Prateek Khanna - 5th May 2014  (10:39 GMT)

RRC connection is releasing without rrc connection re-configuration complete message. What can be the reason for set up failure???
RRC connection Request --> RRC Connection Setup--> RRC Connection Setup Complete--> RRC Connection Release.

sakthivel - 23rd April 2014  (05:33 GMT)

what will be the reason for suddenly 100% RRC accessibility failure in the LTE.
there is no hardware isuues, lot of sites got affected from the same period

what are the parameter and counters need to be checked.

rajesh rai - 24th June 2013  (05:49 GMT)

what is the difference in pilot pollution & multi server?

Hasnain - 24th April 2012  (02:33 GMT)

Poor Coverage (DL / UL)
Pilot Pollution / Pilot Spillover
Missing Neighbor
SC Collisions
Delayed Handovers
No resource availability (Congestion) for Hand in
Loss of Synchronization
Fast Fading
Delayed IRAT Triggers
Hardware Issues
External Interference

Nadeem - 1st January 2012  (04:38 GMT)

Calls were dropped stating the error "No route to destination" then Call was released before connection.

what's the reason for this.

Manish Malviya - 24th December 2011  (17:11 GMT)

Can you please tell me what is the reason for RAB failure

jashwanth reddy - 22nd October 2011  (13:19 GMT)

call failed and call was released before connection in umts when i am making cs call.plz send me reasons for this one

Other messages

Other messages: [Next 10 >>]

Post a reply to this article

Important notice

This forum is rapidly turning into a document exchange medium.  It was intended as an area for open discussion.  Please restrict your postings to open discussions.  Requests for documents are now being removed from this forum.

Name Enter your name.
Message Enter your message.
Email Optional -  If you enter your email address in this box, then you will automatically be notified if anyone replies to your message.  Your email address will only be published if you pay to post this message.
Verification code
Verification code Enter this verification code into the box.
Press the button to post your message.
Home | Free online calculators | Products | Technical papers | Forum | Contact us | About us

Last modified: 07 August 2014

Copyright 2014. All rights reserved.