TekSIP

TekSIP

KaplanSoft
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About

OpenMail gives AI agents a dedicated email address. Provision an inbox with one CLI command or API call, each agent gets its own address, not a shared inbox or forwarding alias. Inbound email arrives instantly via webhook or WebSocket, parsed and threaded, with no polling required. Replies land in context so agents can respond without any new interface on the human side. Attachments: PDFs, CSVs, images, spreadsheets, Word documents are automatically converted to LLM-ready text; the agent never touches raw MIME. The API is small by design: one call to provision, standard calls to send, webhooks or WebSocket to receive. Integrates with LangChain, n8n, Make, Vercel AI SDK, and OpenClaw. Custom domains supported. Runs in the EU, GDPR-covered, 99.9% uptime SLA, SOC 2 in progress.

About

TekSIP is a SIP Registrar and SIP Proxy for Windows. TekSIP supports UDP, TCP, TLS and WebSocket (IPv4 & IPv6) transports. TLS and Secure WebSocket are supported in only commercial editions. TekSIP is tested on Microsoft Windows Vista, Windows 7/8/10/11 and Windows 2008-2022 server. TekSIP can be deployed as a signaling server for WebRTC based SIP phones. TekSIP complies with RFC 3261, RFC 3263, RFC 3311, RFC 3581 and RFC 3891. It supports NAT traversal and ENUM. Please see technical details about NAT traversal in Readme. You can select IP address to be listened and alternative SIP endpoints for outgoing calls. You can also log session details into a log file and monitor active registrations and sessions in real-time. You can monitor number of active registrations and sessions using Windows Performance Monitor (Perfmon.exe). TekSIP can redirect calls to alternate endpoint when called endpoint is unavailable (Off-line, busy...). Active SIP session can be terminated via GUI.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Supported
Mac Not Supported
Linux Not Supported
Cloud Not Supported
On-Premises Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Developers, AI agent companies, software companies innovating with agentic technology

Audience

Enterprise, Service Providers, Utility Companies

Support

Phone Support Not Supported
24/7 Live Support Supported
Online Supported

Support

Phone Support Supported
24/7 Live Support Supported
Online Supported

API

Offers API Not Supported

API

Offers API Supported

Screenshots and Videos

No images available

Screenshots and Videos

Pricing

9 EUR
Free Version Supported
Free Trial Not Supported

Pricing

$239
Freeware version allows maximum 3 SIP endpoints registration and 3 simultaneous SIP sessions. Enterprise edition allows upto 100 simultaneous registration and SIP sessions. Following features are not supported in free edition;

Enterprise
* SDP Manipulation
* TLS Transport
* SMPP Gateway

SP
* Enterprise features
* External Authenticator
* SRTP -> RTP interworking
* WebRTC Media Gateway
* Unlimited number of simultaneous SIP registrations and sessions
* Route incoming calls to registered extensions
* IPv6 support
* RADIUS AAA
Free Version Supported
Free Trial Supported

Reviews/Ratings

Overall 5.0 / 5
ease 4.0 / 5
features 5.0 / 5
design 5.0 / 5
support 5.0 / 5

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

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Pros & Cons from Real Users

Pros

  • I was playing with OpenClaw quite a bit when I hit a roadblock, which is it can't sign up to services? Luckily, OpenMail was here to help, I own them one.

Cons

  • The onboarding was a bit tricky with so many integrations to choose from. But I got some help from Discord, fast responses too.

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Supported
In Person Not Supported

Company Information

OpenMail
Founded: 2026
Lithuania
Openmail.sh

Company Information

KaplanSoft
Founded: 2011
Turkey
www.kaplansoft.com

Alternatives

Alternatives

TekIVR

TekIVR

KaplanSoft

Categories

Email APIs Supported

Categories

Telephony Supported

Telephony Features

Auto-Dialer Not Supported
Call Center Management Not Supported
Call Monitoring Supported
Contact Management Not Supported
Inbound Reporting Not Supported
IVR / Voice Recognition Not Supported
Outbound Reporting Not Supported
Predictive Dialer Not Supported
Telemarketing Management Not Supported
Voice & Data Integration Supported
VoIP Supported

Integrations

LangChain Supported
Make Supported
OpenClaw Supported
TekRADIUS Not Supported
Vercel Supported
n8n Supported

Integrations

LangChain Not Supported
Make Not Supported
OpenClaw Not Supported
TekRADIUS Supported
Vercel Not Supported
n8n Not Supported
Claim OpenMail and update features and information
Claim OpenMail and update features and information
Claim TekSIP and update features and information
Claim TekSIP and update features and information