sippy is an open-source project built for voIP developers.

Yes — sippy is open source under the BSD license and free to use.

What platforms does sippy run on?

sippy runs on the command line.

Is sippy still maintained?

PulseGate's automated liveness checks currently classify sippy as active.

What are alternatives to sippy?

Similar tools tracked by PulseGate include SIPHON, opensip, and speakup.

Is sippy open source?

Yes — sippy is open source under the BSD license.

PulseGatePost-LLM software, agents & workflows market (since 2022)

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sippy

pypi.orgInfrastructure

sippy is an open-source Python library providing a SIP stack and Back-to-Back User Agent (B2BUA) functionality, compliant with RFC3261. It is designed for developers building VoIP applications and services that require SIP protocol support. The package is BSD licensed and suitable for integration into custom telephony solutions.

Open SourceBSD

CLI

Visit PyPI

Overview

5 features

sippy is a Frameworks & SDKs product. Enabling developers to implement SIP-based VoIP solutions and back-to-back user agents in Python. It is built as an open-source project for voIP developers. sippy is open source under the BSD license. It runs on the command line.

sippy first shipped in 2022. PulseGate's similarity index finds few close equivalents — sippy occupies a relatively distinct niche. Key capabilities include SIP stack, B2BUA support, and voIP protocol.

SIP stack
B2BUA support
VoIP protocol
RFC3261 compliance
Python library

Built with & integrations

Runs on: CLI

Trust & compliance

LicenseBSD

Verified signals

HTTPS Open Source Free tier

Recent events

Latest indexed changes and source events

IndexedJul 8, 4:40 AM
sippy discovered by the PulseGate indexer
Source: PulseGate indexerOpen ↗

Frequently asked questions about sippy

What does sippy do?: Enabling developers to implement SIP-based VoIP solutions and back-to-back user agents in Python. It is catalogued under Frameworks & SDKs on PulseGate.
Who is sippy for?: sippy is an open-source project built for voIP developers.
Is sippy free?: Yes — sippy is open source under the BSD license and free to use.
What platforms does sippy run on?: sippy runs on the command line.
Is sippy still maintained?: PulseGate's automated liveness checks currently classify sippy as active.
What are alternatives to sippy?: Similar tools tracked by PulseGate include SIPHON, opensip, and speakup.SIPHON opensip speakup
When did sippy launch?: sippy first shipped in 2022.
Is sippy open source?: Yes — sippy is open source under the BSD license.

At a glance

Platforms: Cli
Languages: English
License: BSD
First seen: Jan 13, 2023
Activity: 🟢 Active
Status: 🟢 Active
Built for: VoIP developers
Model: Open source
Solves: Enabling developers to implement SIP-based VoIP solutions and back-to-back user agents in Python.

Developer

Sippysoftware

PulseGate index

Confidence: Low · 64
Indexed: Jul 8, 2026
Lifecycle: Alive
Activity: Active
First seen: Jan 2023
Last seen: 5d ago
Freshness: Unknown

Identity audit (9)

Entity ID: cmrblb3yi0cghxrx0o9c0lif5
Slug: sippy-pypi-org
Verification state: Indexed for public listing
Claim / listing state: Unclaimed · listed: yes
Index status: Included in index
Latest evidence snapshot: Jul 8, 2026
Timeline basis: Indexed-at chronology (no inferred launch/funding milestones).
Last updated: Jul 8, 2026
Canonical URL: https://pypi.org/project/sippy

Similar apps

Other apps tracked under the same category.

Back to results

sippy

pypi.orgInfrastructure

Open SourceBSD

CLI

Visit PyPI

Overview

5 features

SIP stack
B2BUA support
VoIP protocol
RFC3261 compliance
Python library

Built with & integrations

Runs on: CLI

Trust & compliance

LicenseBSD

Verified signals

HTTPS Open Source Free tier

Recent events

Latest indexed changes and source events

IndexedJul 8, 4:40 AM
sippy discovered by the PulseGate indexer
Source: PulseGate indexerOpen ↗

Frequently asked questions about sippy

What does sippy do?: Enabling developers to implement SIP-based VoIP solutions and back-to-back user agents in Python. It is catalogued under Frameworks & SDKs on PulseGate.
Who is sippy for?: sippy is an open-source project built for voIP developers.
Is sippy free?: Yes — sippy is open source under the BSD license and free to use.
What platforms does sippy run on?: sippy runs on the command line.
Is sippy still maintained?: PulseGate's automated liveness checks currently classify sippy as active.
What are alternatives to sippy?: Similar tools tracked by PulseGate include SIPHON, opensip, and speakup.SIPHON opensip speakup
When did sippy launch?: sippy first shipped in 2022.
Is sippy open source?: Yes — sippy is open source under the BSD license.

At a glance

Platforms: Cli
Languages: English
License: BSD
First seen: Jan 13, 2023
Activity: 🟢 Active
Status: 🟢 Active
Built for: VoIP developers
Model: Open source
Solves: Enabling developers to implement SIP-based VoIP solutions and back-to-back user agents in Python.

Developer

Sippysoftware

PulseGate index

Confidence: Low · 64
Indexed: Jul 8, 2026
Lifecycle: Alive
Activity: Active
First seen: Jan 2023
Last seen: 5d ago
Freshness: Unknown

Identity audit (9)

Entity ID: cmrblb3yi0cghxrx0o9c0lif5
Slug: sippy-pypi-org
Verification state: Indexed for public listing
Claim / listing state: Unclaimed · listed: yes
Index status: Included in index
Latest evidence snapshot: Jul 8, 2026
Timeline basis: Indexed-at chronology (no inferred launch/funding milestones).
Last updated: Jul 8, 2026
Canonical URL: https://pypi.org/project/sippy

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sippy

Overview

Tags

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Trust & compliance

Recent events

Frequently asked questions about sippy

At a glance

Developer

PulseGate index

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sippy

Overview

Tags

Built with & integrations

Trust & compliance

Recent events

Frequently asked questions about sippy

At a glance

Developer

PulseGate index

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