Wednesday, 8 April 2009

SIP trunks - it's finally happening in earnest in the UK...really!

With the availability of telecoms grade xDSL circuits combined with the reliability & SLAs now on a par with traditional PSTN (analogue/ISDN lines), resellers in the UK are becomming confident in providing SIP trunking to customers. SIP trunks can be offered in conjunction with PSTN connectivity for resilience between the two (Vega gateways will re-present calls to the other network if the first route fails), or even as a total replacement of the PSTN altogether.

Obviously this is the way it's all going anyway; the PSTN as we know it today will be switched off in the not too distant future, as these industry gurus explain:


So what about connectivity? VegaStream's range of range of gateways now incorporate integrated ADSL/SHDSL modems. xDSL circuits should be ordered in much the same way as TDM lines are - "how many concurrent calls does my business need to be able to make"? Click on the table below for a guideline:
click to enlarge



Further benefits over PSTN/ISDN
ITSPs can overlay a wide range of features on their SIP trunks including:
> DDI
> Call recording
> Out of area geographical telephone numbers
> Lower ongoing service charges
> Lower call charges
> Reduced rate/free inter-site (on-net) calls

VegaStream has the products to suit
VegaStream's range of MSBG (Multi Service Business Gateways) provide a cost effective, feature rich & mature platform to which legacy PBXs can be connected in order to take advantage of these SIP trunking offerings from ITSPs. Click here for further details.

Single day Fast Track training
VegaStream offers a not-for-profit single day training course after which delegates will be fluent with installing Vega Gateways for both SIP Trunking & Hosted solutions. Click here to learn more about this course.
a typical SIP "Trunk" advertisement

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