Cheap SIP Trunking for Vapi — Carrier-Grade, Encrypted, Instant Setup
Deploy cheap SIP trunking without cheap quality. Vapi-ready trunks with TLS/SRTP, STIR/SHAKEN, geo-redundant routing, and live MOS monitoring. Spin up in minutes, scale to millions of calls, keep answer rates high and labels clean.
- TLS/SRTP by default
- STIR/SHAKEN A-plan
- Redundant POPs
- Live MOS & Jitter
- CNAM + E911
Pricing & Plans — Buy Cheap SIP Trunking for Vapi
High-intent, no-fluff options. Choose pay-as-you-go or per-channel, both tuned for Vapi SIP trunking with TLS/SRTP, STIR/SHAKEN, and geo-redundant routing. Transparent rates designed to win on cost and call quality.
Pay-As-You-Go
Best for testing, startups, and bursty traffic.
- Outbound US48 from $[0.003–0.008]/min
- Inbound from $[0.00X]/min + free test DID
- Encrypted sip over TLS + SRTP media
- STIR/SHAKEN & branded CNAM to reduce “Spam Likely”
- Live MOS/jitter dashboards, webhooks, per-DID logs
No contracts • Cancel anytime
Per-Channel Plans
Predictable costs for steady concurrency.
- $[X]/channel/month with included minutes
- Scale to N+ channels for outbound sales / IVR / contact center
- LRN dips, smart re-route, CLI pass-through
- E911 + compliant disclosures built-in
- Optional Dedicated SBC for premium deliverability
Fast approval • Same-day activation
Wholesale & A-Z
For platforms, BPOs, and serious volume.
- Tier-1 routes, carrier-grade SLAs
- Commit-based discounts + custom prefixes
- Global DIDs, toll-free, branded caller ID
- HIPAA-friendly voice, audit logs, IP allowlist
- Priority support & routing optimization
Volume pricing • Contract options
Set Up Vapi SIP Trunking in 3 Steps — Start Cheap, Scale Fast
High-intent, zero drama. Connect cheap SIP trunking to Vapi with SIP over TLS, SRTP, and STIR/SHAKEN in minutes— then buy more channels as you grow.
Create Your SIP Trunk
Sign up, pick PAYG or per-channel, and copy your SIP domain, username, and auth.
- Enable TLS/SRTP (encrypted by default)
- Allowlist IPs/domains for secure signaling
- Claim a free test DID
Connect to Vapi
Paste your SIP URI into Vapi, select G.711 or OPUS, and set your webhook URL.
- DTMF RFC2833 (IVR-friendly) or SIP INFO
- Enable STIR/SHAKEN to protect caller ID
- Turn on LRN dips for clean routing
Test & Go Live
Place a test call, check MOS/jitter, then turn on branded CNAM and E911.
- Auto failover across geo-redundant POPs
- Live MOS dashboard + call logs/webhooks
- Scale channels as concurrency grows
Deliverability & Compliance — Cheap SIP Trunking That Actually Gets Answered
Win the high-intent search: buy sip trunk, sip trunk pricing, vapi sip trunking. We combine STIR/SHAKEN, branded CNAM, and clean LRN-based routing so your calls dodge “Spam Likely” and convert.
STIR/SHAKEN + Caller Identity
Proper attestation and brand alignment to reduce spam flags and raise answer rates.
- A-level strategy where eligible
- Brand-aligned CLIs & number pools
- Outbound pacing & time-of-day rules
Branded CNAM & Reputation
Own the screen pop. Push trusted names across major carriers; monitor reputation drift.
- Branded CNAM provisioning
- Number reputation monitoring
- Automated remediation workflows
Clean Routing & QoS
Geo-redundant POPs, LRN dips, and smart re-route keep audio crisp and stable.
- LRN dips + CLI pass-through
- Live MOS/jitter & auto failover
- TLS signaling + SRTP media
Cadence, opt-out, quiet hours
Per-DID addresses, dynamic updates
Encrypted in transit, audit logs
No scam/spam, carrier alignment
Built for Vapi • STIR/SHAKEN • Branded CNAM • LRN Routing
Cheap SIP Trunking vs Brand-Name Providers — What Buyers Actually Get
You’re here for sip trunk pricing, buy sip trunk, and vapi sip trunking. Here’s a side-by-side so you can choose fast and launch faster.
| Feature | Our Cheap SIP Trunking | Typical Brand-Name Provider |
|---|---|---|
| Core Pricing Model | Pay-as-you-go or per-channel, transparent cents-per-minute | Tiered bundles, commit minimums, higher list rates |
| Vapi Integration | Prebuilt recipes, 3-step setup, OPUS/G.711 ready | Generic SIP docs, DIY mapping |
| Security (SIP over TLS, SRTP) | Enabled by default + IP allowlist | Optional, sometimes at extra cost |
| Caller ID Trust (STIR/SHAKEN) | Attestation strategy + branded CNAM support | Basic compliance, limited guidance |
| Routing Quality (LRN, Failover) | LRN dips, geo-redundant POPs, smart re-route | Standard routing, manual failover |
| Monitoring (MOS/Jitter/Logs) | Live MOS dashboard, per-DID logs, webhooks | Aggregated stats, delayed reporting |
| Compliance Add-ons (E911, HIPAA-friendly) | Dynamic E911, encrypted transit, audit trail | Add-on fees, limited guidance |
| Scalability (Channels & Bursting) | Click-to-scale channels, burst controls | Ticket-based increases, slower changes |
| Dedicated SBC Option | Available for deliverability & isolation | Enterprise-only tiers |
Why Buyers Choose Cheap SIP Trunking
- Lower sip trunk rates without sacrificing QoS
- Faster time-to-first-call (minutes, not weeks)
- High-intent features: stir/shaken, cnam, e911, lrn dips
When a Big Brand Might Fit
- Bundled contracts with cross-product spend
- Strict procurement rules that require legacy vendors
- You already pay the “brand tax” and don’t mind it
Optimized for: buy sip trunk • sip trunk quote • vapi sip trunking
Cheap SIP Trunking — Pricing, Porting, Deliverability & Compliance
Get straight answers on buy sip trunk, sip trunk pricing, Vapi SIP trunking setup, and the extras (CNAM, E911, STIR/SHAKEN, Dedicated SBC).
How much does cheap SIP trunking cost?
How fast can I buy a SIP trunk and place a call?
Can I port my existing numbers?
How do you prevent “Spam Likely” labels?
Is E911 supported for local DIDs?
Do you offer a Dedicated SBC?
Which codecs and DTMF modes are supported?
How do you ensure call quality?
Is this HIPAA-friendly?
Do you support international (A–Z) and toll-free?
Buy Cheap SIP Trunking — Instant Quote & Same-Day Activation
Choose Pay-As-You-Go or Per-Channel for Vapi SIP trunking. Transparent sip trunk pricing, encrypted by default, ready to scale.
Developer Quickstart — Connect Vapi to Cheap SIP Trunking
Copy, paste, dial. Production-ready Vapi SIP trunking config with SIP over TLS, SRTP, and STIR/SHAKEN. Optimized for high-intent buyers searching buy sip trunk and sip trunk pricing.
SIP Settings (Vapi)
- Registrar / SIP Domain:
sip.yourbrand.com - Outbound Proxy (TLS):
tls.sip.yourbrand.com:5061 - Username:
[ACCOUNT_ID]Auth:[SECRET] - DTMF: RFC2833 (recommended) or SIP INFO
- Codecs: G.711 µ/A-law, OPUS, G.722
- SRTP: Enabled • Early Media: Allowed
- LRN Dips: On • CLI: Pass-through
- E911: Per-DID (enable in dashboard)
Vapi Snippet (Node.js example)
// Pseudo-code: register trunk & place an outbound call
const trunk = {
uri: "sip:[ACCOUNT_ID]@sip.yourbrand.com",
auth: { username: "[ACCOUNT_ID]", password: "[SECRET]" },
transport: "tls", // SIP over TLS
srtp: true, // SRTP media
codecs: ["PCMU","PCMA","OPUS"]
};
await vapi.sip.register(trunk);
await vapi.call.create({
to: "+15615551234",
from: "+15615559876", // your DID (CNAM eligible)
media: { srtp: true },
dtmf: "rfc2833",
webhooks: { events: "https://api.yourapp.com/vapi/webhook" }
});
Need OPUS? Keep OPUS first for wideband; fall back to G.711 for PSTN reach. Monitor MOS via webhooks.
Trusted for High-Intent Voice — Cheap SIP Trunking That Ships Calls Clean
Teams that search buy sip trunk, sip trunk pricing, and Vapi SIP trunking choose us for deliverability, cost, and speed.
“Answer rate up, cost down.”
Swapped in the trunk, enabled STIR/SHAKEN + branded CNAM, and our “Spam Likely” issues disappeared. Cheap SIP trunking without cheap quality.
“Vapi setup took 10 minutes.”
Dropped in the SIP URI, chose G.711, and we were live. Pricing beats the brand names we used before.
“Clean routing, no drama.”
LRN dips, geo failover, and live MOS let us catch issues before customers do. The sip trunk pricing is legit.
Free test DID • Instant setup • Cancel anytime