Issabel, ready for the whole office.
Voice, fax, collaboration and a friendly GUI. We install, secure and integrate Issabel with your DIDs, trunks and CRM.
Voice
Extensions, ring groups, IVRs, queues and conference rooms out of the box.
Fax
T.38 fax to email, per-extension fax boxes.
Collaboration
Instant messaging, presence and shared address book.
Provisioning
Auto-provision Yealink, Grandstream, Poly, Snom and other SIP phones.
Reports
CDR, queue stats, call quality reports and cost analysis.
CRM link
Click-to-call and screen pop for popular CRMs.
Teams that live on the phone.
SMB and mid-market offices
Voice, fax and messaging on a single box with a friendly admin.
Teams with remote workers
SIP softphones and WebRTC alongside desk phones on the same PBX.
Firms needing recording and retention
Selective recording, retention policies and access controls.
The reasons that keep customers on the platform.
- Familiar GUIIssabel keeps the friendly Elastix-style admin so your on-site IT stays productive.
- One box, many servicesVoice, fax and collaboration on a single hardened server.
- Optional managed supportWe can co-manage with your IT or run the whole platform.
From first conversation to live traffic.
Discovery call
We map extensions, IVRs, queues, business hour logic and any integrations. Written spec and fixed build fee delivered within 24 hours.
Build
PBX installed on your server or ours. Dialplan or GUI configured to spec, endpoints auto-provisioned, trunks tuned.
Test and cut-over
End-to-end tests, dry-run in a maintenance window, then cut-over to production with rollback ready.
Documentation and support
You receive a runbook and dialplan document. Optional managed support keeps updates and endpoints healthy.
Standards-based, integration-friendly.
SIP, RTP, WebRTC and REST all the way down. Bring your own PBX, CRM or workforce tools, or use one we support.
The technical baseline.
| Version | Issabel 4 (current maintenance line) |
|---|---|
| Base OS | CentOS/Rocky (hardened) |
| Endpoints | Yealink, Grandstream, Polycom, Snom, Cisco (SIP), softphones |
| Storage | Local or object storage |
| SLA | 99.9% platform uptime |
About Issabel.
Can this PBX register our existing SIP phones?
Yes. We provision Yealink, Grandstream, Polycom, Snom, Sangoma and other SIP phones automatically.
Can we run it on our own server?
Yes. Deploy on your cloud or hardware; we install and hand over credentials.
Do you provide 24/7 support?
Yes for managed customers. Standard plans include one-business-hour weekday response.
How are updates handled?
We test module and system updates on a staging box, then push to production in a scheduled window.
Can we integrate with our CRM?
Yes. Click-to-call and screen pop for common CRMs, or custom integration on quote.
Let us build your voice infrastructure.
Tell us your campaign, target markets and agent count. We will design the numbers, trunks and dialer stack, and have you live fast.