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.
Excel call center
What is an Erlang?
Premium quality termination for wholesale carriers with
their own VoIP switch.
Our lowest rates for wholesale carriers with their own VoIP
Our unique online callshop billing system.
Bill My Calls
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.
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.
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.
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Last modified: 06 July 2014
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