Calls & Access / SIP ISDN Emulators

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By combining our SIP trunk technology with a managed Sangoma voice gateway we can replace your traditional ISDN lines without you having to do a hardware upgrade on your current phone system to support SIP.

The gateways turn the SIP signalling into the ISDN or PSTN signalling your incumbent phone system currently understands.

This not only enables you to instantly take advantage of the technical advances of SIP it also gives you access to incredible cost savings.

The gateways support multiple SIP accounts enabling you to provision SIP trunks from multiple carriers/countries, at last true least cost routing on your PBX.

The install and management of the gateways are fully managed by NSN, there are some links to the technical spec of the gateways below: