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Converting an ISDN Phone System to SIP

Any legacy PSTN services (such as ISDN) still live after the switch-off will be ceased. It is imperative to move to alternative services before this happens in order to avoid loss of service.

Moving voice calls from ISDN to SIP Services is a tried and tested way of saving money on both trunk rentals and telephone call charges. ISIP ISDN to SIP Converters, allow you to start to enjoy monthly cost savings right now, even when your current PBX is blocking a move to SIP. No change to your current system is usually required, just disconnect the trunks from the existing BT Primary Rate (ISDN 30) or Basic Rate (ISDN 2) service(s) and connect them to ISIP ISDN to SIP Converter.

With the BT PSTN Network Switch-Off locked in for 2025 and End of Sale in 2023, it has never been more important to start moving to a SIP-based solution.

ISIP gateway is the ISDN to SIP converter that enables SIP trunk providers to cost-effectively provide voice services to legacy PBXs.

The product set includes the BRI converter (ISIP8), the PRI converter (ISIP30), and access to the ISIP Management Portal.

The ISIP gateway units are set-up and maintained from the ISIP cloud-based Management Portal which also provides you with “real-time” performance
monitoring of all your installed ISIP gateways.

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