Softtop Business Voice Services delivers the full carrier-grade voice stack on one platform — retail SIP trunking for business PBX systems, wholesale VoIP termination for carriers and resellers, global voice routing for international calls, and local US business phone numbers for every area code. All voice services run on Tier-1 interconnects with direct carrier relationships in 150+ countries and 99.999% uptime SLA.
SIP trunking connects existing on-premise PBX systems — Cisco, Avaya, Grandstream, 3CX, FreePBX — to the Softtop network over internet. Elastic concurrent call capacity scales automatically with call volume. STIR/SHAKEN attestation on every outbound call ensures calls display with verified caller ID across all US carrier networks. E911 emergency calling is supported on all Softtop SIP trunks for business continuity compliance requirements.
Wholesale VoIP termination for carriers, ITSPs, and resellers is available as CLI, Non-CLI, and CC route types. A-Z global termination reaches 180+ destinations on direct Tier-1 interconnects. Per-second billing with no false answer supervision charges and transparent rate decks ensure that quoted rates equal billed rates. Volume discounts and custom rate plans are available for partners committing significant monthly minute volumes to the platform.
Global voice routing for international calls handles outbound dialing to 150+ countries from US business numbers or international virtual numbers. International call recording, AI transcription, and CRM sync apply to international calls exactly as they do to domestic US calls. The voice platform integrates with the full Softtop UCaaS stack — contact center, AI Receptionist, team chat, and video meetings — so voice is managed holistically with the broader communications environment. Terminate and originate calls in 150+ countries from one contract and one dashboard. STIR/SHAKEN authentication, AES-encrypted SIP trunks, and real-time fraud detection on every route. Intelligent least-cost routing selects the optimal carrier path for each call in real time, balancing voice quality against cost. A unified, standards-based SIP endpoint for routing voice at scale across developer and carrier omnichannel deployments. Dedicated wholesale carrier lines for ITSPs and resellers — paired with contact center and messaging for a complete stack. Carrier-grade A-Z routes and wholesale rate sheets with volume discounts — scale traffic without managing multi-carrier interconnects. SIP trunking, global DIDs, and Softtop's cloud contact center in one queue — voice, chat, and AI in a single agent view. Unify voice across 150+ countries on a single contract, one dashboard, and one support team — no per-region vendor juggling. Enterprise voice quality from one provider — voice, numbers, and messaging with plans starting at $49/month. What businesses say about Softtop Voice. ITSPs, contact centers, and enterprises running global voice on Softtop. Switching to Softtop cut our per-minute costs by nearly 40% while actually improving our ASR. The Tier-1 routes are noticeably cleaner than what our previous carrier was delivering. Business voice services are the carrier and software solutions that let a company make and receive phone calls over IP networks — including SIP trunking, voice termination, wholesale VoIP, and global call routing. Softtop delivers all of these on one unified platform with 99.999% uptime and coverage across 150+ countries. Does Softtop offer wholesale VoIP termination? Yes. Softtop provides global A-Z wholesale VoIP termination over direct Tier-1 interconnects, with least-cost routing and volume-based rate sheets for ITSPs, resellers, and high-volume buyers. Per-minute rates start at $0.003 depending on destination. What uptime does Softtop guarantee for voice? How many countries does Softtop's voice network cover? Softtop offers voice coverage across 150+ countries, with global numbers available in 100+ countries, all manageable from a single dashboard. There is no need to manage separate carrier interconnects per region.