Business VoIP Telephony Software
SipLine delivers enterprise-grade SIP telephony for businesses of all sizes. SRTP/TLS security, CRM integrations, and a Plugin SDK — built for the modern workplace.
Built for Business Communication
Call Centers & Support Teams
Multi-line management, call queuing, transfer and hold. Equip your agents with a fast, reliable softphone that integrates with your ticketing system.
Remote & Hybrid Work
Your office phone, anywhere. SipLine works on any Windows laptop with an internet connection. Same number, same quality, no VPN required.
Multi-Site Organizations
Connect all your offices with a single SIP infrastructure. SipLine supports multiple accounts and can register to different PBX servers simultaneously.
Regulated Industries
Finance, healthcare, legal — SipLine meets the security requirements of regulated sectors with TLS/SRTP encryption, DPAPI credential storage, and GDPR compliance.
Enterprise-Grade Security
TLS Transport
All SIP signaling encrypted with TLS 1.2+
SRTP Media
Voice streams encrypted with SDES-SRTP
DPAPI Storage
Credentials protected by Windows DPAPI
GDPR Compliant
EU-hosted infrastructure, privacy by design
Integrate with Your Tools
SipLine's Plugin SDK lets you build custom integrations with your CRM, ERP, helpdesk, or any business tool. Pre-built plugins available in the Marketplace.
- CRM screen pop on incoming calls
- Automatic call logging to your ticketing system
- Click-to-call from any application
- Custom call workflows and routing rules
Enterprise Telephony, Simplified
Start with the free Community edition or contact us for Enterprise pricing with volume discounts.