What are CLI VoIP routes?

CLI (Calling Line Identity) VoIP routes deliver the originating caller ID intact to the destination number. The phone number displayed to the called party matches the number you dialed from — essential for business credibility and call-back rates.

Why does CLI matter for outbound business calls?

When businesses make outbound calls with a verified caller ID, answer rates are significantly higher than calls with no CLI or an altered number. CLI routes also satisfy regulatory requirements in many countries where caller ID delivery is mandatory.

What ASR can I expect on Softtop CLI routes?

Softtop CLI routes deliver 60%+ ASR (Answer Seizure Ratio) on major destinations. Route quality is monitored 24/7 by the NOC with automatic rerouting when quality thresholds are breached.

How many countries are supported on CLI routes?

Softtop CLI routes cover 150+ countries, with specialized high-quality routes for the US, UK, Germany, France, Australia, UAE, India, and other high-demand international destinations.

Is per-second billing available on CLI routes?

Yes. CLI routes are billed on 1/1 (per-second) increments with no minimum call duration charge, making short-duration business calls and international calls cost-efficient.

What NOC support is available for CLI route customers?

A 24/7 Network Operations Center monitors all CLI routes and proactively reroutes traffic if quality drops. Wholesale and carrier customers have direct access to NOC engineers via ticket or phone at all times.

●CLI VOIP ROUTES

Tier-1 CLI Routes.
Verified. Scalable. Fast.

Full caller ID delivery, 60%+ guaranteed ASR, and AI-driven LCR across 150+ countries. Built for carriers, resellers, and enterprises that can't afford bad routes.

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99.9%Uptime SLA

60%+Guaranteed ASR

24/7NOC Support

Incoming Call

+1 (555) 012-3456

●CLI Verified

Route

Tier-1 CLI

ASR

72%

Latency

18ms

Your PBX

→

Softtop

→

Tier-1

→

Destination

Uptime SLA

99.9%

Countries

150+

THE CLI ROUTE JOURNEY

How Your Call Travels — End to End

Every CLI route goes through 5 intelligent stages in under 2 seconds.

Your System

SIP / PBX

›

SIP Gateway

Softtop PoP

›

LCR Engine

AI Optimized

CLI Verified ✓

›

Tier-1 Carriers

150+ Countries

›

Destination

HD Voice + CLI

PLATFORM FEATURES

Everything Packed Into One CLI Platform

ROUTE QUALITY

AI-Driven LCR That Never Sleeps

Our engine analyzes live ASR, ACD, and PDD across every carrier in real time — selecting the optimal CLI route per destination, per second.

Ingest Call

Caller ID & destination captured

Score Carriers

ASR, ACD, PDD ranked in real time

Select Route

Optimal CLI path chosen in <30 ms

TRANSPARENT BILLING

Per-Second CDR. No Rounding.

Full call detail records with per-second billing and real-time cost transparency for every destination — zero rounding, zero surprises.

DESTINATIONDURATIONCOST

US-Mobile00:02:14$0.0014

UK-Fixed00:01:08$0.0009

DE-Mobile00:03:42$0.0018

Per-second billing · No rounding

24/7 NOC SUPPORT

Always-On Network Operations

Dedicated account managers, real-time route alerts, sub-4hr ticket response, and a live NOC dashboard — available around the clock.

Dedicated account manager

Real-time route alerts

Sub-4hr ticket response

Live NOC dashboard

NOC Online — All Systems Operational

ENTERPRISE SECURITY

AES-256 + STIR/SHAKEN + Fraud Blocking

Every CLI call is encrypted end-to-end, STIR/SHAKEN attested, and screened against real-time fraud signals — including IRSF, CLI spoofing, and DDoS patterns.

AES-256

STIR/SHAKEN

IRSF Guard

SIP Firewall

PERFORMANCE METRICS

Numbers That Define Our CLI Standard

99.9%Uptime SLA

60%+Guaranteed ASR

150+Countries

<2sLCR Decision

150+

Countries

Regions

Tier-1

Network

GLOBAL COVERAGE

CLI Routes Across
Every Major Region

Direct Tier-1 interconnects in 150+ countries mean your CLI calls reach any destination with full caller ID intact — from North America to Asia-Pacific. Also available: CC Routes for dialer traffic and our full Wholesale VoIP Rates. Not sure which route type fits your traffic? See our guide to wholesale VoIP route types.

🌎

Americas

35+ countries

🌍

Europe

50+ countries

🌏

Middle East

15+ countries

🌍

Africa

30+ countries

🌏

Asia-Pacific

25+ countries

🌐

Global A–Z

150+ countries

WHY SOFTTOP CLI

Two Reasons CLI Carriers
Switch to Softtop

Incoming Call

+1 (555) 012-3456

● CLI Verified

Decline

CALLER ID DELIVERY

Every Call Shows Who's Calling

CLI routes pass the full originating number to every destination — improving answer rates by up to 40% compared to anonymous routes. Businesses, regulators, and customers all expect it.

COST EFFICIENCY

LCR Cuts Costs 15–40%

Our Least Cost Routing engine evaluates live carrier rates, quality metrics, and destination rules in real time — automatically picking the cheapest compliant CLI path without sacrificing ASR or voice quality.

Live LCR Decision — US Mobile

Carrier A

$0.0042/min

ASR 62%

Carrier B

$0.0031/min

ASR 71%

SELECTED

Carrier C

$0.0038/min

ASR 58%

SECURITY & COMPLIANCE

Built Secure. Certified Compliant.
Every Single Route.

Every route is authenticated under the FCC STIR/SHAKEN Framework, ensuring caller ID integrity and fraud prevention across all terminations.

FAQ

Frequently Asked Questions

Everything about CLI VoIP routes, pricing, security, and global coverage.

What is a CLI VoIP route?

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A CLI (Calling Line Identification) route is a type of VoIP termination that passes the caller's full phone number to the called party. CLI routes ensure the recipient sees who is calling — improving answer rates, trust, and regulatory compliance across all markets.

How do CLI routes differ from non-CLI routes?

CLI routes deliver the full originating number to the recipient. Non-CLI (anonymous) routes strip caller ID. CLI routes consistently achieve higher ASR (Answer Seizure Ratio) and are required for most business and regulatory use cases worldwide.

What ASR can I expect with Softtop CLI routes?

Softtop guarantees a minimum 60%+ ASR on CLI routes. Top destinations in the US, UK, and Germany routinely achieve 70–90% ASR. Our real-time LCR engine monitors carrier performance every 60 seconds and reroutes traffic automatically to maintain quality.

Which countries do your CLI routes cover?

Our CLI routes cover 150+ countries with direct Tier-1 carrier interconnects — including all major markets in the Americas, Europe, Middle East, Africa, and Asia-Pacific. Competitive A–Z rates are available for both high and low-traffic destinations.

How does billing work for CLI routes?

We bill per-second with no minimum increments or rounding. Real-time CDR access, destination-based rating, and fully transparent invoices with zero hidden fees. Prepaid, postpaid, and credit limit models are all supported to match your business model.

What security measures protect my CLI traffic?

All CLI traffic uses AES-256 encryption, passes through a SIP firewall, runs on DDoS-protected PoPs, and is screened by our real-time fraud detection engine. STIR/SHAKEN attestation is included for US-bound traffic and all infrastructure is audited quarterly.

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Tier-1 CLI routes, 60%+ ASR, and no commitment required.

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Tier-1 CLI Routes.Verified. Scalable. Fast.