Elastic SIP trunks for every PBX and platform.
Connect enterprise PBXs, contact centres and voice apps with elastic SIP trunks over direct routes. Provision by API under your brand, with AI watching call quality and routing.
- Elastic SIP
- Direct routes
- API provisioning
- AI quality watch
- Registration
- Registered
- Concurrent calls
- 38 active / 60
- Codec
- G.711
AI in SIP Trunking, working on its own.
AI that takes the action, not just the note. Running inside the network, on your brand. See how Acepeak secures traffic.
- 14:02Quality
Quality-based rerouting
When AI sees jitter or packet loss on a route, it moves new calls to a healthier path.
AI › Jitter on Route B reached 31 ms. New calls moved to Route A.
- 14:09Fraud
Fraud call blocking
AI detects unusual call patterns, like sudden premium destinations, and blocks them before charges build.
AI › Blocked a burst of calls to premium-rate destinations.
- 16:30Capacity
Capacity tuning
AI reviews concurrency trends and suggests channel changes so trunks fit real demand.
AI › Peak reached 92% of channels. Suggested raising the limit.
The trunk, on one sheet.
Everything is set per trunk, by API or in the portal. See the API reference.
- Elastic channels
- Scale concurrent calls up or down without new hardware.
- Bring your PBX
- Works with common IP-PBXs, SBCs and contact centre platforms.
- IP or credentials
- Authenticate trunks by IP address or SIP registration.
- Failover routing
- Send calls to a backup destination if the primary is down.
- Secure signaling
- Use TLS and SRTP to protect signaling and media.
- CDRs by API
- Pull detailed call records per trunk for billing and review.
scale up / downSIP · SBCIP · REGISTERprimary → backupTLS · SRTPGET /v1/trunks/{id}/cdrsWherever a call has to connect.
The same trunk fits very different setups. See solutions for support teams.
- 01Contact centres
Connect a contact centre platform with elastic channels that follow the day’s call volume.
- 02Existing IP-PBX
Keep the PBX you have and swap only the line that carries its calls.
- 03Voice apps and AI agents
Point a number on the trunk at an AI voice agent or your own voice app.
- 04Sites that cannot go down
Send calls to a backup destination the moment the primary route fails.
From a new trunk to live calls.
- Create trunk
Provision a trunk by API or in the portal.
POST /v1/trunks - Configure
Set authentication, codecs and failover destinations.
auth: ip · codec: G.711 - Attach numbers
Point DIDs from the Numbers API at the trunk.
+49 30 2345 6781 → trunk_02 - Connect
Register the PBX and start placing calls.
REGISTER → 200 OK
We supply the APIs, docs, sandbox, portal and billing under your name. You supply the customers.
See the reseller program- Trunks provisioned under your brand
- White-label portal for enterprises
- Billing on your invoice
One API for trunks, numbers and voice, on direct routes.
See wholesale voice- Provision trunks in one call
- Direct operator routes
- CDRs by API
What rides on the same trunk.
- Numbers APIBuy DIDs and point them at the trunk.
- Voice APIControl calls with code on the same trunk.
- AI Voice Agent APILet an agent answer on any trunk number.
- Speech & Language AITranscribe and analyse calls on the trunk.
- SMS APIText from the same numbers you call from.
- Developer Portal & BillingDocs, sandbox and invoices on your domain.
Questions, answered.
Need trunks plus A-Z termination and DIDs on one invoice? See the wholesale VoIP provider page.
Yes. Standard SIP works with common IP-PBXs, SBCs and contact centre platforms.
Yes. Any number on the trunk can route to an AI voice agent.
By IP address or by SIP registration with credentials, whichever the PBX supports.
Calls go to the backup destination you set, and AI moves new calls off routes with rising jitter or packet loss.
Yes. Channels are elastic, so concurrent calls scale up or down without any hardware change.
Give your enterprises an API.
Book a 30-minute technical briefing with our engineers.