CARRIER-GRADE VOICE INFRASTRUCTURE

Wholesale Voice Termination with Ultra-Low Latency & High ASR

Direct bilateral Tier-1 interconnects engineered for telecom operators, high-concurrency enterprise contact centers, and global aggregators. Experience crystal-clear audio across 180+ international destinations with guaranteed CLI transparency.

STIR/SHAKEN A-Level AttestedDirect PTT & Mobile MNO LinksUncapped Burst CPS Channels24/7/365 Proactive NOC
78%+
Answer Seizure Ratio (ASR)
< 1.2s
Post Dial Delay (PDD)
180+
Global Reach
99.999%
Platform SLA

Tiered Voice Pipelines

Precision Routing for Every Traffic Profile

Whether your priority is pristine audio for banking notifications or immense CPS throughput for predictive dialing, Dial Edge routes are tailored to your requirements.

Highest QualityASR: 80%+ | PDD: < 1.0s

CLI Direct Platinum

Uncompromised Voice Clarity for Mission-Critical Traffic

Direct interconnects with native Tier-1 mobile network operators and national PTTs. Guaranteed 100% Caller ID delivery with complete STIR/SHAKEN A-attestation and zero transcoding hops.

Best suited for:

Enterprise contact centers, financial institutions, 2FA/OTP delivery, and VIP corporate voice.

  • 100% Guaranteed CLI / ANI transparency
  • Direct in-country operator termination
  • A-Level STIR/SHAKEN cryptographic tokens
  • Opus HD Voice & G.711 uncompressed audio
  • Dedicated VIP priority routing queues
  • Zero middleman aggregators or grey routes
High ConcurrencyASR: 72%+ | PDD: < 1.3s

High-CPS Dialer Route

Engineered for Aggressive Bursts & Short-Duration Profiles

Custom-tuned for predictive dialers, automated voice notifications, and high-frequency outbound sales platforms. Delivers rapid connect times without SIP 503 bottlenecks.

Best suited for:

Predictive dialers, outbound sales teams, political campaigns, survey polling, and debt collection agencies.

  • Uncapped Call-Per-Second (CPS) capacity
  • Transparent short-duration profile handling (1/1 billing)
  • Low PDD algorithm for instantaneous connect rates
  • Automated SIP 503 error failover rerouting
  • Integrated SmartShield™ spam prevention filter
  • Multi-carrier redundancy per route code
Cost EfficientASR: 68%+ | PDD: < 1.5s

Global Wholesale Blend

Cost-Effective High Performance Termination Across 180+ Markets

High-density global termination balancing market-leading pricing with rock-solid reliability. Designed for retail telecom aggregators and international calling applications.

Best suited for:

Wholesale VoIP carriers, MVNOs, international calling card apps, and regional telecom providers.

  • Competitive A-Z global pricing with tiered volume rates
  • Quality floor lock (automated drop if route dips)
  • Optimized call retention and completion rates
  • Flexible NPANXX & Flat Rate destination decks
  • Real-time CDR export via REST API and SFTP
  • 24/7 routing desk support and rate deck updates

Infrastructure Specifications

Engineered to Carrier Standards

Our multi-gigabit IP voice core is deployed in Tier-4 colocation facilities, delivering pristine reliability and protocol compatibility with all commercial softswitches.

Signaling & Protocols

Signaling ProtocolsSIP v2.0 (RFC 3261), TCP, UDP, TLS 1.3
Media EncryptionSRTP, SDES-SRTP, ZRTP supported
Network AddressingDual-Stack IPv4 & Native IPv6 peering
Interconnect GatewaysSBC Carrier Grade (Oracle Acme Packet / Kamailio)

Voice Codecs & Transcoding

Standard CodecsG.711u (PCMU), G.711a (PCMA)
Compressed CodecsG.729a/b (8 kbps low-bandwidth)
HD Voice CodecsOpus (Wideband 48kHz), AMR-WB (G.722)
DTMF SignalingRFC 2833 / RFC 4733, SIP INFO, In-band

Intelligent Routing Engine

Routing PhilosophyDynamic Least-Cost Routing (LCR) with Quality Override
Quality Floor LockDrops destination route if ASR dips below 60%
Failover SpeedSub-50ms instant alternate route cutover
CPS Burst LimitsUncapped up to 500+ CPS per customer trunk

Security & STIR/SHAKEN

STIR/SHAKENFull A-Level Attestation Certificate signing
Anti-Fraud FilterSmartShield™ AI Behavioral Anomaly Detection
Rate Center ProtectionAutomated high-cost PRS & fraud prefix lockout
IP WhitelistingStrict ACL firewalling and DDoS mitigation

Global Peering Architecture

Strategically Located Points of Presence (PoPs)

We peer directly at world-class internet exchanges and carrier carrier hotels. By terminating media packets as close to the target subscriber as possible, we virtually eliminate jitter, packet loss, and Post-Dial Delay.

Private Optical Cross-Connects & VLAN Trunking
Active-Active Geographically Isolated Core SBCs
Automatic Anycast BGP Latency Optimization
North America EastOnline

Lakeland & Atlanta, USA

Target Latency:< 8ms US-East
Peering:Equinix, Telx, Megaport, Direct SIP
North America WestOnline

San Jose & Los Angeles, USA

Target Latency:< 12ms US-West
Peering:CoreSite LA1, Equinix SV1
Europe & UKOnline

Frankfurt (FRA-1) & London (LON-1)

Target Latency:< 14ms Intra-EU
Peering:DE-CIX, LINX, Equinix FR5
Asia PacificOnline

Singapore (SIN-1) & Tokyo (TYO-1)

Target Latency:< 25ms Pan-APAC
Peering:Equinix SG1, BBIX, HKIX

Versatile Voice Applications

Trusted by Voice-First Enterprises Worldwide

Telecom Carriers & MNOs

Offload international termination to direct Tier-1 routes with SLA guarantees, freeing up internal routing capacity.

Outbound Call Centers

Sustain extreme Call Per Second (CPS) velocity without getting choked by carrier rate limiters or high PDD.

CPaaS & Software Platforms

Integrate programmable voice termination into your SaaS applications with flexible REST APIs and sub-second provisioning.

FinTech & OTP Delivery

Protect mission-critical one-time passwords and authorization codes with 99.999% deliverability and zero CLI tampering.

Frictionless Interconnection

From Request to Live Calls in Under 2 Hours

01

Account & Rate Deck Request

Submit your destination requirements and target CPS. Receive customized NPANXX or flat rate proposals.

02

IP Whitelist & Trunk Turnup

Provide your public SIP signaling IPs. Our automated routing system provisions dedicated SIP credentials in < 60 minutes.

03

Interoperability & Audio Testing

Run live test calls with complimentary test balance. Verify ASR, PDD, and audio fidelity directly on your switches.

04

Production Ramp & 24/7 Monitoring

Ramp live traffic with confidence. Our NOC continuously monitors ASR and call completion with automated route optimization.

Frequently Asked Questions

Everything You Need to Know About Our Wholesale Voice

Unlike aggregators that hop traffic through multiple broker networks, Dial Edge connects directly to Tier-1 mobile network operators and national PTTs. This guarantees low Post-Dial Delay (PDD), eliminates transcoding audio degradation, and guarantees authentic Caller ID delivery.

Ready to upgrade your connectivity?

Scale your voice traffic today. Talk to our routing experts to secure custom rates tailored to your volume.