Standard SIP. Any dialer. Any CRM.
UnlimCall is a vanilla outbound SIP trunk. Whatever already works with Twilio, Bandwidth, or your local carrier works with us — paste five fields into your dialer and you're live. No proprietary client. No agent-side install. No vendor lock-in.
- UDP · TCP · TLS
- G.711 · G.722 · Opus
- IP whitelist or password auth
- Multi-region edge
Step-by-step setup guides.
Two of the most-asked integrations have their own walkthrough — architecture, certified gear, copy-paste config, FAQ.
Microsoft Teams Phone
Replace Microsoft Calling Plans. Real local numbers in 33 countries inside the Teams client you already use, flat per seat. SBC-paired in a working day.
Read the guideViciDial
Drop UnlimCall in as a carrier in any ViciDial / GoAutoDial / ViciBox install. Carrier config, dial plan, troubleshooting — live in under 30 minutes.
Read the guideIf it speaks SIP, it works with UnlimCall.
Customer setups we've tested or actively support. Don't see yours? It almost certainly works — every standards-compliant SIP/WebRTC endpoint is supported.
Outbound dialers
Plug the trunk in as a standard SIP carrier. No agent-side install.
- ViciDialverified · v2.14
- GoAutoDialverified
- PowerDialer.comverified
- CallToolsverified
- Newfies-Dialerverified
- Five9BYOC supported
CRM dialers
Use the CRM’s built-in SIP/WebRTC dialer with our credentials.
- GoHighLevelverified
- HubSpot CallingBYO carrier
- Close.comBYO carrier
- Salesforce Service Cloud VoiceBYOT
- Zoho VoiceBYO carrier
- Pipedrive CallerBYO carrier
PBX & contact center
Add UnlimCall as an outbound SIP trunk in seconds.
- Microsoft TeamsDirect Routing · setup guide
- FreePBXverified · v16+
- Asteriskverified · v18+
- FreeSWITCHverified · v1.10
- 3CXverified · v18+
- Zendesk TalkBYO carrier
- Genesys CloudBYOC supported
Softphones
Manual setup as a SIP account. Same creds as the dialer/PBX.
- Zoiperverified
- MicroSIPverified
- Bria (CounterPath)verified
- X-Liteverified
- Linphoneverified
- PhonerLiteverified
"BYOC" / "BYO carrier" = the platform supports using your own SIP carrier. "Verified" = we have a tested config we can hand you.
What you paste in.
Same five fields as any SIP carrier on earth. Generated when you create a seat in the portal — visible immediately, regenerable on demand.
- SIP hostsip-<region>.unlimcall.com— us-east · us-west · eu-west · eu-central — pick the closest POP
- Port5060 / 5061 (TLS)
- TransportUDP · TCP · TLS
- Usernameunl_<seat-id>— one per seat — visible in your portal
- Passwordrotated on demand— regenerate any time, old creds revoked instantly
- CodecsG.711 (μ-law / a-law) · G.722 · Opus
- DTMFRFC 2833 / SIP INFO
- AuthenticationIP whitelist or username/password (you choose)
Two configs, copy-paste.
carrier_id = unlimcall_us carrier_name = UnlimCall US/CA registration_str = register => unl_001:[email protected] account_entry = [unlimcall_us] type=peer host=sip-us-east.unlimcall.com username=unl_001 secret=PASS transport=tcp insecure=port,invite disallow=all allow=ulaw dtmfmode=rfc2833 qualify=yes dial_plan_entry = exten => _1NXXNXXXXXX,1,Dial(SIP/${EXTEN}@unlimcall_us,,tTo)
Trunk Name : unlimcall_uk SIP Server : sip-eu-west.unlimcall.com SIP Server Port : 5060 Username : unl_042 Secret : ******** Authentication : Outbound Registration : Send Transport : udp Codecs : ulaw, alaw, opus DTMF Mode : rfc4733 From User : unl_042 From Domain : sip-eu-west.unlimcall.com Outbound Route : match pattern : 0044. strip : 1 prepend : 44
Need a config we don't list? Email [email protected] — we keep a private library of customer setups and will ship you the working snippet.
What we give you. What we don't.
What we provide
- SIP host + per-seat creds (UDP / TCP / TLS)
- Local Caller ID pool per market
- STIR/SHAKEN signing for US & CA outbound
- CDRs + recordings via API or portal export
- Multi-region edge POPs (latency < 50 ms)
- Support — email + Telegram, real humans
What we don't
- No agent-side desktop client to install
- No proprietary SDK or wrapper around SIP
- No mandatory CRM — bring your own
- No bundled call analytics — use your dialer's
- No per-minute upcharges or interconnect fees
- No multi-year contract or lock-in clause
Pick a country.Pay in two minutes.
- Magic-link signup
- Cancel before commit ends
- Lines live in ~2 min