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ISIP – ISDN to SIP Converter

Stream - The digital backbone to your business

ISDN to SIP Convertor

SIP converters from Stream enable business to extend the lifespan of existing telephony systems whilst simultaneously enjoying the cost saving benefits of SIP Trunks.

ISDN to SIP Convertor Features and Benefits

SIP converters come in a variety of sizes, to ensure they are scalable to businesses of all sizes.

Stream Networks offer managed installation to ensure a seamless transition from ISDN to SIP.

A SIP converter can revolutionise the communications in any business. They are a footstep into the world of hosted telephony, with Stream Networks ensuring that call quality is never compromised by implementing QoS for Voice on our Core Network.

Extend the life of existing hardware

if you can’t justify writing off your existing PBX or physical telephones, ISIP converters can simply plug into your current setup to ensure you can maximise existing hardware.

Reduced Line Rental

IP Trunks offer savings of up to 70% compared to ISDN

Reduced calls costs

Cost savings of up to 35% can be enjoyed with SIP. Dedicated packages can be tailor-made to your business which can include cut-price local, national, mobile and even international calls.

Enjoy enhanced inter-site communications

For businesses of more than one site, calls made from site to site using SIP Trunks are absolutely free and do not come out of any minute packages. With ISDN these calls were chargeable, another area of huge cost saving.

Be up and running in minutes

if you need to provision a new DDI, or if you’d like to make some changes to hunt groups, these can be done in a matter of minutes when utilising SIP Trunks. With ISDN, changes and requests such as this can take weeks.

Get Connected! It will only take a minute

Talk to one of our friendly telephony consultants to see how an ISDN SIP convertor can help your business.


What is the difference between ISDN and SIP?

The SIP Trunking method is a more modern telephony solution for delivering voice and data over the internet. The ISDN method, on the other hand, uses the traditional copper telephone network.

Looking for alternative telephony?

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Our Happy Clients

Somerset Partnership NHS Trust
Gardner Leader Solicitors
Newbury Academy Trust
Queen Margaret University

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