Clear CLI on every call, per-second billing and a portal you can hand to your customers. SIP termination, DID numbers, SIP trunking and a white-label reseller program for VoIP carriers and ITSPs, CPaaS and AI voice platforms, cloud PBX operators, white-label resellers, enterprises, small businesses and contact centers.
Points of presence in Europe, Asia, North America and the Middle East, direct carrier interconnects, and a network operations centre that answers around the clock.
Coverage by country · Network and trust · Service level agreement
Outbound calls to 218 destinations on direct interconnects. Your caller ID delivered as you send it, every connected second billed as a second.
See coverage and routes →Local and national numbers in 96 countries, toll-free where regulators permit, delivered over SIP to any system you point them at.
Browse number types →Inbound and outbound trunks for your PBX, contact-centre platform or switch. IP authentication by default, settings for your system on day one.
Connect your platform →The same network under your brand. A portal for your customers, your margin on top, our carrier relationships underneath.
How the programme works →Large carriers treat you as a traffic source. Grey routes treat your calls as inventory. Callivex is the carrier on your side of the call.
Your CLI is presented intact on every route, never stripped, never substituted. Your number arrives as your number, and your answer rates show it.
Every connected second billed as a second, five-decimal rates and a prepaid balance you watch in real time. The rate you test is the rate you run.
Direct EU carrier interconnects, and direct access to the engineers who operate them. No ticket queue between you and an answer.
Every call passes through one core that authenticates it, picks the route and rates it per second in real time. We do voice transport and nothing else.
The same routes, the same billing engine and the same network protection, whether you interconnect at carrier scale or bring a single office PBX.
Termination, DIDs and trunking at interconnect scale. Send your destination list, get a rate deck and a test trunk, and go live on prepaid terms.
Capacity for inbound queues and blended operations, with dedicated call rate and channel limits for each account.
SIP trunks and numbers for your PBX without enterprise procurement. Sign up, whitelist your IP, top up, and call, on the same routes the carriers use.
Finance, iGaming, healthcare, logistics, contact centres, carriers, platforms and offices. One network, one billing engine and one portal, whichever of these describes you.
Inbound queues, outbound campaigns and blended operations, with capacity sized to your peaks and caller ID delivered as you send it.
Clinics, practices and providers. Reminders that reach patients, lines that stay up, data protection you can show an auditor.
Banks, brokers, lenders, fintechs and exchanges. Verification calls that land, every call on the record.
Licensed operators. VIP and support teams reaching players on local numbers, capacity for match days.
Hotel groups, agencies and booking platforms. A local number in every market, capacity for the season.
Couriers, fleets and delivery platforms. Driver calls through a company number, depot lines that stay up.
Recruiters, sales teams and estate agents. A local number per consultant and calls that get answered.
A-Z termination and numbers on direct interconnects, rate decks by destination, prepaid settlement.
Voice agents, IVRs and voicebots. Trunks with REFER, early media and codec negotiation for platform integration.
Trunks behind your tenant fabric, channel pooling, per-tenant call records, inbound numbers into your platform.
A portal under your brand, your margin on top. We handle the carrier relationships and the billing.
SIP trunks for your PBX or unified-communications platform, inbound and outbound, with per-second billing.
A few trunks and local numbers for your office phone system, on the same routes the carriers use.
Country-mix routing, per-campaign sub-accounts, and reporting per operation.
If you carry voice, we can carry it for you. Tell us what you run and we take it from there.
Send the destinations you care about. We come back with rates and a test trunk, and the rate you test is the rate you run.