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 >>


Sandip - 6th December 2018  (04:26 GMT)

How to solve the IDU-ODU communication issue?

Birendra Yadav - 24th June 2014  (18:14 GMT)

I know FHY IDU is the hyper terminal configuration of the logging cable.

kundan r.pardake - 3rd June 2014  (22:10 GMT)

What if temp of the is high or what is the temp working range of idu

Matthew de Beer - 23rd November 2012  (02:56 GMT)


Did you ever figure out how to download the config from the flexihybrid using ftp? i'm having the exact same issue.

sumit pachauri - 17th July 2012  (19:33 GMT)

discus the details of NSN_flexi hybrid idu

NA - 1st March 2012  (18:11 GMT)

For SNR related problems in FHRs you may have to apply these steps
1) Check the connectors and it's better to connetorize it again.
2) Check the interference of radios by muting the farend's ODU.
3) Clean all the cards and install as it is.

that might be very helpful

VIVEK SINHA - 26th February 2012  (16:52 GMT)


dharamdeep gupta - 17th December 2011  (08:11 GMT)

please help for troubleshooting Flexy Hybrid faults

vinay - 9th October 2011  (09:15 GMT)

how to recognize that perticular idi is iether 32 mbps,100 mbps or 155 mbps by looking model no. sticker.

NA - 24th November 2010  (16:12 GMT)

Dear all,

NSN flexi hybrid IDU (SRA4_HC) is a transmission equipment developed by NSN. My questions are as follows:-

1) How to download the the IMG files using FTP client, using it there i got an error "Incorrent command", so wht is the procedure for compying the IMG files to PC and vice versa for updating the FPGA

2) Normal NSN HOPPER has the power limit of -4 - 20 dBm but here the power limit is variable for diff diff IDUs i found e.g - 5-17 dBm or 5-20 dBm. Why? and if we can change the limit?

3) Always getting problem when commissioning it in East-West mode: assume that an IDU is already working with it's East modem and now i have to put another link from it so i have connect the IF to west modem but when i connect it to west modem it takes much more time to detect the ODU and i got many parameter errors when commissioning, so wht's the problem and wht would be the better way to commission in this situation.

4) When i connect the ODU (using IF) to IDU then the modem's Status LED goes UP, if there is any way to lit off like previous if i disconnect it from ODU?

5) ODU getting faulty in general, what would be the real causes, whereas in same environmental & installation condition Hopper is more sustainable and getting 2% faulty in comparison.


Post a reply to this article

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.
Please confirm you are human.
Press the button to post your message.
Home | Free online calculators | Products | Technical papers | Forum | Contact us | About us

Last modified: 17 May 2017

Copyright 2017. All rights reserved.