Monthly SIP Call Plan

SIP is the ideal replacement for ISDN circuits, which are being made obsolete by BT in 2025. Getting your business ready for the change with iHub’s SIP channels means you can have peace of mind.

iHub’s SIP technology allows you to turn your existing on-premises phone system into a cloud calling platform, without upfront cost or heavy investment. iHub WiFi SIP phone systems provide users with immediate cost benefits, added resilience and functionality.

£5.00
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Dedicated switching team
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Next day engineer call-out
30-day rolling contracts
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WiFi SIP Phone

SIP phone systems work by sending messages, which are usually voice calls, between SIP addresses using the internet. Switching to a SIP phone system enables you to use VoIP services in the future, should you wish to unlock further communication channels, like video calls and instant messaging. The benefits of switching to SIP include:

  • More cost-effective than ISDN
  • Competitive call rates
  • Ideal replacement for ISDN circuits
  • Scalability and flexibility
  • Disaster recovery

As VoIP SIP providers, we can get you set up with SIP with minimal upfront cost and you can decide if and when your business would like to move to VoIP.


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