
SIP Channels
Elastic capacity, competitive call rates and resilient routing.
Find out more3CX Cloud PBX, Microsoft Teams Calling (Direct Routing), SIP trunks & Tinkle Hosted VoIP with UK support.
We deliver 3CX Cloud PBX, Microsoft Teams Calling, SIP trunks and Tinkle Hosted VoIP. Get crystal-clear calls, secure connectivity and responsive UK-based support.
Elastic capacity, competitive call rates and resilient routing.
Find out moreDirect Routing to connect PSTN into Microsoft Teams.
Find out moreFeature-rich PBX with softphones, desk phones, IVR & analytics.
Find out moreFully hosted cloud telephony β no hardware, fast deployment.
Find out moreTelecoms4Business provides business VoIP and cloud phone systems built for clarity, uptime and scale. Solutions include 3CX Cloud PBX, Microsoft Teams Calling (Direct Routing), SIP trunks/channels, Tinkle Hosted VoIP, IVR/auto-attendant, call queues, call recording, analytics & wallboards, and CRM / Microsoft 365 integrations. We design QoS for voice, secure traffic with managed firewalls, and deliver number porting, disaster recovery and business continuity.
Whether youβre modernising a legacy ISDN system, moving to SIP, adopting 3CX, or enabling Microsoft Teams PSTN, we provide clear recommendations, competitive pricing and UK-based support.
βTelecoms4Business migrated our phones to 3CX seamlessly. Call quality is excellent and the support is first-class.β
β Sarah, IT Manager (SME)