Communications and CPaaS
Every channel.
One platform.
Email, SMS, WhatsApp, push, voice. BitsPath is our unified CPaaS with a carrier-grade Rust PBX core. We also integrate Twilio, SendGrid, or MessageBird. The choice is yours.
Platform footprint
- BitsPath: 15 .NET microservices unified comms platform
- BitsPath Voice: ~517K LOC Rust PBX, carrier-grade
- SIGTRAN SMS gateway in Rust for direct operator interconnect
- Stalwart webmail integrated for business email accounts
What is the LoneSock communications service?
A multi-channel communications engineering practice covering email, SMS, WhatsApp, push notifications, and carrier-grade voice. BitsPath is the default platform: 15 .NET microservices, a Rust SIGTRAN SMS gateway, and a Stalwart webmail. Twilio, SendGrid, and local aggregators are equally supported.
Where a client needs sovereign hosting, white-label reseller capability, or true PBX-grade voice, BitsPath is the right tool. Where the workload is predominantly transactional US or EU traffic, Twilio plus SendGrid is often the cleaner choice. We will pick the right combination.
Channels
Four channels, one unified API.
The same campaign, customer, and template models across every channel. No glue code between providers.
Drag-drop template builder. DKIM, SPF, DMARC pre-configured. IP-warming playbooks. Content scoring. Above 95 percent inbox placement on warmed transactional traffic.
Smart SMS Routing
Operator selection by destination network, cost, and delivery rates. SIGTRAN and SS7 direct interconnect where regulator permits. BTRC and DLT compliance built in.
Carrier-Grade Voice
Pure Rust PBX engine of roughly 517,000 lines. SIP, RTP, SRTP, WebRTC. Predictable memory, low jitter, thousands of concurrent calls per node. Built for telecom operators.
WhatsApp and Push
WhatsApp Business API. Web and mobile push notifications. Unified API across all channels. Campaign management and CRM integration as part of the stack.
How we compare
LoneSock vs going direct to Twilio vs in-house build.
| Dimension | LoneSock | Twilio direct | In-house build |
|---|---|---|---|
| South Asia carrier coverage | Direct interconnect, BTRC compliant | Via aggregator, higher cost | Build from scratch, months |
| Voice grade | Carrier-grade Rust PBX | PaaS, generic SIP | Asterisk or FreeSWITCH stitched |
| White-label reseller | Built-in (BitsPath multi-tenant) | Not supported | Build from scratch |
| Effective hourly rate | $20 | Per-message premium | $60-200 fully loaded |
FAQ
Frequently asked.
- What is the LoneSock communications and CPaaS service?
- It is a multi-channel communications engineering practice: email, SMS, WhatsApp, push notifications, and carrier-grade voice. The default platform is BitsPath, a unified comms stack of 15 .NET services plus a Rust SIGTRAN SMS gateway and a Stalwart-based webmail. Alternative integrations include Twilio, SendGrid, MessageBird, Infobip, and local aggregators.
- Do clients have to use BitsPath?
- No. BitsPath is presented as a platform option for clients who want unified billing, white-label reseller capability, or carrier-grade voice. Twilio, SendGrid, MessageBird, or any combination of best-of-breed providers is a fully supported alternative. The choice depends on geography, compliance, and existing carrier relationships.
- Is the voice platform truly carrier-grade?
- Yes. BitsPath Voice is a pure Rust PBX engine of roughly 517,000 lines, with SIP, RTP, SRTP, and WebRTC support, and a SIGTRAN-based SMS gateway. Designed for IPTSP and telecom operators, not just SaaS chat-overlays. Predictable memory footprint, low jitter, and thousands of concurrent calls per node.
- What is the deliverable email inbox-placement rate?
- BitsPath ships with DKIM, SPF, and DMARC pre-configured, IP-warming playbooks, and content-scoring. Inbox placement on warmed IPs is consistently above 95 percent on transactional mail with proper DNS and content hygiene. Marketing volumes vary by list health.
- Is the messaging compliant with local regulators?
- Yes. SMS routing supports BTRC compliance for Bangladesh and DLT for India. International integrations are designed for GDPR, PECR, and TCPA. The compliance layer is part of the build, not a post-launch retrofit.
- How does this compare to going direct to Twilio?
- Twilio is a clean US-dollar billing line and a good fit if your traffic is predominantly North America or EU. LoneSock plus BitsPath wins when you need Bangladesh and South Asia carrier interconnect, sovereign hosting, white-label reseller, or PBX-grade voice. We integrate both, and we route by destination.
Need a communications platform?
BitsPath or Twilio. Tell us the destinations, the channels, the volumes, and we will architect the right routing.