<p align="center">
<img src="https://raw.githubusercontent.com/moha-abdi/pysip/main/.github/images/banner.png" alt="PySIP Logo" style="display: block; margin: 0 auto;">
</p>
<p align="center">
<b>Python SIP Library for Custom VoIP Solutions</b>
</p>
**PySIP** is an asynchronous Python library designed to simplify working with the Session Initiation Protocol (SIP) for VoIP communication. Whether you're building automated call systems, interactive voice response (IVR) menus, or any SIP-based application, PySIP gives you the flexibility to create and manage SIP accounts, handle calls, and implement custom logic with ease.
## ✨ **Features**
<table style="width: 100%; border-collapse: separate; border-spacing: 0 10px;">
<tr>
<th style="text-align: left; padding: 10px 0;">Feature</th>
<th style="text-align: left; padding: 10px 0;">Description</th>
</tr>
<tr>
<td style="padding: 10px; background-color: #f6f8fa; font-weight: bold;">
Complete SIP Account Management
</td>
<td style="padding: 10px; background-color: #f6f8fa; border-radius: 0 6px 6px 0;">
Easily create, register, and manage SIP accounts.
</td>
</tr>
<tr>
<td style="padding: 10px; background-color: #f6f8fa; font-weight: bold;">
Custom Call Flows
</td>
<td style="padding: 10px; background-color: #f6f8fa; border-radius: 0 6px 6px 0;">
Write scripts to automate call flows with your own business logic.
</td>
</tr>
<tr>
<td style="padding: 10px; background-color: #f6f8fa; font-weight: bold;">
UDP Transport Layer
</td>
<td style="padding: 10px; background-color: #f6f8fa; border-radius: 0 6px 6px 0;">
Asynchronous, efficient UDP transport for sending and receiving SIP messages.
</td>
</tr>
<tr>
<td style="padding: 10px; background-color: #f6f8fa; font-weight: bold;">
Flexible Call Handling
</td>
<td style="padding: 10px; background-color: #f6f8fa; border-radius: 0 6px 6px 0;">
Handle incoming and outgoing SIP calls, play messages, and gather user input.
</td>
</tr>
<tr>
<td style="padding: 10px; background-color: #f6f8fa; font-weight: bold;">
Fully Extensible
</td>
<td style="padding: 10px; background-color: #f6f8fa; border-radius: 0 6px 6px 0;">
Includes an example bot for appointment booking, but you can easily write any SIP-based automation you need.
</td>
</tr>
</table>
## 📚 **Table of Contents**
1. [Installation](#-installation)
2. [Project Structure](#-project-structure)
3. [Getting Started](#-getting-started)
4. [Detailed Usage](#-detailed-usage)
- [SIP Account](#sip-account)
- [Call Handling](#call-handling)
- [UDP Transport](#udp-transport)
5. [Example Script](#-example-script)
6. [Creating Your Custom SIP Scripts](#-creating-your-custom-sip-scripts)
7. [Contributing](#-contributing)
---
## 🚀 **Installation**
<div style="background-color: #f6f8fa; border-radius: 6px; padding: 16px;">
### Step 1: Clone the repository
```bash
git clone https://github.com/moha-abdi/PySIP.git
cd PySIP
```
### Step 2: Install dependencies
Ensure you have Python 3.8+ installed. Install the required dependencies using:
```bash
pip install -r requirements.txt
```
### Step 3: Environment Setup
Create a `.env` file to store your SIP account credentials and server details:
```bash
SIP_USERNAME=your_sip_username
SIP_PASSWORD=your_sip_password
SIP_SERVER=your_sip_server
```
</div>
---
## 📁 **Project Structure**
The project is structured to provide a clean separation between the core SIP library and any custom scripts you want to write. Here's an overview of the project layout:
<div style="background-color: #f6f8fa; border-radius: 6px; padding: 16px;">
```
PySIP/
│
├── PySIP/ # Core library files
│ ├── sip_account.py # SIP account management
│ ├── sip_core.py # SIP message parsing and handling
│ ├── udp_handler.py # Asynchronous UDP transport for SIP
│
├── scripts/ # Example custom scripts
│ └── appointment_booking_bot.py # Example bot for appointment booking
│
├── test.py # Example usage of PySIP for testing
├── requirements.txt # Project dependencies
├── .env.example # Example environment configuration
└── README.md # Project documentation
```
</div>
---
## 🏁 **Getting Started**
<div style="background-color: #f6f8fa; border-radius: 6px; padding: 16px;">
### Step 1: Setting Up a SIP Account
A SIP account is essential for handling calls. To start, you need to create an instance of the `SipAccount` class, which requires your SIP credentials (username, password, and server). Here's how to do it:
```python
from PySIP.sip_account import SipAccount
import os
from dotenv import load_dotenv
# Load SIP credentials from .env file
load_dotenv()
account = SipAccount(
os.environ["SIP_USERNAME"],
os.environ["SIP_PASSWORD"],
os.environ["SIP_SERVER"],
)
```
### Step 2: Registering the Account
Once the `SipAccount` is created, the next step is to register it with the SIP server:
```python
await account.register()
```
This sends a SIP `REGISTER` request to the server to activate the account. Once registered, you can make calls or listen for incoming calls.
</div>
---
## 📘 **Detailed Usage**
### SIP Account
<div style="background-color: #f6f8fa; border-radius: 6px; padding: 16px;">
The `SipAccount` class is at the core of PySIP. It handles all account-related tasks such as registration, making calls, and unregistering from the SIP server.
#### **Instantiating a SIP Account**:
```python
account = SipAccount(username, password, server)
```
#### **Registering**:
Call the `register()` method to register the SIP account with the server:
```python
await account.register()
```
#### **Making Calls**:
The `make_call(destination)` method initiates a call to the destination number:
```python
call = account.make_call("destination_number")
```
#### **Unregistering**:
When you're done, unregister the account to gracefully close the session:
```python
await account.unregister()
```
</div>
### Call Handling
<div style="background-color: #f6f8fa; border-radius: 6px; padding: 16px;">
The `CallHandler` is responsible for handling the call flow. It allows you to say messages, gather input from the caller, or transfer the call.
#### **Playing a message to the caller**:
```python
await call_handler.say("Welcome to our service.")
```
#### **Gathering user input**:
Use `gather()` to gather input from the user, such as pressing a digit:
```python
dtmf_key = await call_handler.gather(length=1, timeout=5)
```
#### **Transferring the call**:
You can forward the call to another number:
```python
await call_handler.transfer_to("1234567890")
```
</div>
### UDP Transport
<div style="background-color: #f6f8fa; border-radius: 6px; padding: 16px;">
The `UdpHandler` is an internal module that manages the asynchronous sending and receiving of SIP messages over the network.
#### **Sending a message**:
The `send_message()` method sends a UDP message to the SIP server or peer:
```python
self.transport.sendto(message)
```
#### **Receiving a datagram**:
The `datagram_received()` method handles incoming messages, placing them in a queue for processing:
```python
self.data_q.put_nowait(data)
```
</div>
---
## 🔍 **Example Script**
To demonstrate PySIP in action, we've provided a basic example of an appointment booking bot. This bot allows callers to book appointments via a phone call.
<div style="background-color: #f6f8fa; border-radius: 6px; padding: 16px;">
```python
import asyncio
from PySIP.sip_account import SipAccount
from scripts.appointment_booking_bot import appointment_booking_bot
from dotenv import load_dotenv
import os
# Load environment variables
load_dotenv()
# Initialize SIP account with credentials from .env file
account = SipAccount(
os.environ["SIP_USERNAME"],
os.environ["SIP_PASSWORD"],
os.environ["SIP_SERVER"],
)
async def main():
# Register the SIP account
await account.register()
# Make a call to a test number (e.g., '111')
call = account.make_call("111")
call_task = asyncio.create_task(call.start())
# Run the appointment booking bot
await appointment_booking_bot(call.call_handler, customer_name="John")
# Wait for the call to complete, then unregister
await call_task
await account.unregister()
if __name__ == "__main__":
asyncio.run(main())
```
</div>
---
## 🛠 **Creating Your Custom SIP Scripts**
While the appointment booking bot is just one example, **PySIP** is designed to let you create any SIP-based automation or custom script that fits your needs.
To create your own script:
1. **Create a Python file** in the `scripts/` directory.
2. **Write your custom call logic** using the `CallHandler` class to control the call flow.
3. **Use the `SipAccount` to register and make calls** as demonstrated in the example script.
---
## 🤝 **Contributing**
Contributions are welcome! If you would like to contribute to the development of PySIP, feel free to open issues or submit pull requests.
---
<div style="text-align: center; align: center; margin-top: 30px;" align="center">
<p align="center">Made with ❤️ by the Moha Abdi</p>
</div>
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"description": "<p align=\"center\">\r\n <img src=\"https://raw.githubusercontent.com/moha-abdi/pysip/main/.github/images/banner.png\" alt=\"PySIP Logo\" style=\"display: block; margin: 0 auto;\">\r\n</p>\r\n<p align=\"center\">\r\n <b>Python SIP Library for Custom VoIP Solutions</b>\r\n</p>\r\n\r\n**PySIP** is an asynchronous Python library designed to simplify working with the Session Initiation Protocol (SIP) for VoIP communication. Whether you're building automated call systems, interactive voice response (IVR) menus, or any SIP-based application, PySIP gives you the flexibility to create and manage SIP accounts, handle calls, and implement custom logic with ease.\r\n\r\n## \u2728 **Features**\r\n\r\n<table style=\"width: 100%; border-collapse: separate; border-spacing: 0 10px;\">\r\n <tr>\r\n <th style=\"text-align: left; padding: 10px 0;\">Feature</th>\r\n <th style=\"text-align: left; padding: 10px 0;\">Description</th>\r\n </tr>\r\n <tr>\r\n <td style=\"padding: 10px; background-color: #f6f8fa; font-weight: bold;\">\r\n Complete SIP Account Management\r\n </td>\r\n <td style=\"padding: 10px; background-color: #f6f8fa; border-radius: 0 6px 6px 0;\">\r\n Easily create, register, and manage SIP accounts.\r\n </td>\r\n </tr>\r\n <tr>\r\n <td style=\"padding: 10px; background-color: #f6f8fa; font-weight: bold;\">\r\n Custom Call Flows\r\n </td>\r\n <td style=\"padding: 10px; background-color: #f6f8fa; border-radius: 0 6px 6px 0;\">\r\n Write scripts to automate call flows with your own business logic.\r\n </td>\r\n </tr>\r\n <tr>\r\n <td style=\"padding: 10px; background-color: #f6f8fa; font-weight: bold;\">\r\n UDP Transport Layer\r\n </td>\r\n <td style=\"padding: 10px; background-color: #f6f8fa; border-radius: 0 6px 6px 0;\">\r\n Asynchronous, efficient UDP transport for sending and receiving SIP messages.\r\n </td>\r\n </tr>\r\n <tr>\r\n <td style=\"padding: 10px; background-color: #f6f8fa; font-weight: bold;\">\r\n Flexible Call Handling\r\n </td>\r\n <td style=\"padding: 10px; background-color: #f6f8fa; border-radius: 0 6px 6px 0;\">\r\n Handle incoming and outgoing SIP calls, play messages, and gather user input.\r\n </td>\r\n </tr>\r\n <tr>\r\n <td style=\"padding: 10px; background-color: #f6f8fa; font-weight: bold;\">\r\n Fully Extensible\r\n </td>\r\n <td style=\"padding: 10px; background-color: #f6f8fa; border-radius: 0 6px 6px 0;\">\r\n Includes an example bot for appointment booking, but you can easily write any SIP-based automation you need.\r\n </td>\r\n </tr>\r\n</table>\r\n\r\n\r\n## \ud83d\udcda **Table of Contents**\r\n1. [Installation](#-installation)\r\n2. [Project Structure](#-project-structure)\r\n3. [Getting Started](#-getting-started)\r\n4. [Detailed Usage](#-detailed-usage)\r\n - [SIP Account](#sip-account)\r\n - [Call Handling](#call-handling)\r\n - [UDP Transport](#udp-transport)\r\n5. [Example Script](#-example-script)\r\n6. [Creating Your Custom SIP Scripts](#-creating-your-custom-sip-scripts)\r\n7. [Contributing](#-contributing)\r\n\r\n---\r\n\r\n## \ud83d\ude80 **Installation**\r\n\r\n<div style=\"background-color: #f6f8fa; border-radius: 6px; padding: 16px;\">\r\n\r\n### Step 1: Clone the repository\r\n```bash\r\ngit clone https://github.com/moha-abdi/PySIP.git\r\ncd PySIP\r\n```\r\n\r\n### Step 2: Install dependencies\r\nEnsure you have Python 3.8+ installed. Install the required dependencies using:\r\n```bash\r\npip install -r requirements.txt\r\n```\r\n\r\n### Step 3: Environment Setup\r\nCreate a `.env` file to store your SIP account credentials and server details:\r\n```bash\r\nSIP_USERNAME=your_sip_username\r\nSIP_PASSWORD=your_sip_password\r\nSIP_SERVER=your_sip_server\r\n```\r\n</div>\r\n\r\n---\r\n\r\n## \ud83d\udcc1 **Project Structure**\r\n\r\nThe project is structured to provide a clean separation between the core SIP library and any custom scripts you want to write. Here's an overview of the project layout:\r\n\r\n<div style=\"background-color: #f6f8fa; border-radius: 6px; padding: 16px;\">\r\n\r\n```\r\nPySIP/\r\n\u2502\r\n\u251c\u2500\u2500 PySIP/ # Core library files\r\n\u2502 \u251c\u2500\u2500 sip_account.py # SIP account management\r\n\u2502 \u251c\u2500\u2500 sip_core.py # SIP message parsing and handling\r\n\u2502 \u251c\u2500\u2500 udp_handler.py # Asynchronous UDP transport for SIP\r\n\u2502\r\n\u251c\u2500\u2500 scripts/ # Example custom scripts\r\n\u2502 \u2514\u2500\u2500 appointment_booking_bot.py # Example bot for appointment booking\r\n\u2502\r\n\u251c\u2500\u2500 test.py # Example usage of PySIP for testing\r\n\u251c\u2500\u2500 requirements.txt # Project dependencies\r\n\u251c\u2500\u2500 .env.example # Example environment configuration\r\n\u2514\u2500\u2500 README.md # Project documentation\r\n```\r\n</div>\r\n\r\n---\r\n\r\n## \ud83c\udfc1 **Getting Started**\r\n\r\n<div style=\"background-color: #f6f8fa; border-radius: 6px; padding: 16px;\">\r\n\r\n### Step 1: Setting Up a SIP Account\r\nA SIP account is essential for handling calls. To start, you need to create an instance of the `SipAccount` class, which requires your SIP credentials (username, password, and server). Here's how to do it:\r\n\r\n```python\r\nfrom PySIP.sip_account import SipAccount\r\nimport os\r\nfrom dotenv import load_dotenv\r\n\r\n# Load SIP credentials from .env file\r\nload_dotenv()\r\n\r\naccount = SipAccount(\r\n os.environ[\"SIP_USERNAME\"],\r\n os.environ[\"SIP_PASSWORD\"],\r\n os.environ[\"SIP_SERVER\"],\r\n)\r\n```\r\n\r\n### Step 2: Registering the Account\r\nOnce the `SipAccount` is created, the next step is to register it with the SIP server:\r\n```python\r\nawait account.register()\r\n```\r\nThis sends a SIP `REGISTER` request to the server to activate the account. Once registered, you can make calls or listen for incoming calls.\r\n</div>\r\n\r\n---\r\n\r\n## \ud83d\udcd8 **Detailed Usage**\r\n\r\n### SIP Account\r\n\r\n<div style=\"background-color: #f6f8fa; border-radius: 6px; padding: 16px;\">\r\n\r\nThe `SipAccount` class is at the core of PySIP. It handles all account-related tasks such as registration, making calls, and unregistering from the SIP server.\r\n\r\n#### **Instantiating a SIP Account**:\r\n```python\r\naccount = SipAccount(username, password, server)\r\n```\r\n\r\n#### **Registering**:\r\nCall the `register()` method to register the SIP account with the server:\r\n```python\r\nawait account.register()\r\n```\r\n\r\n#### **Making Calls**:\r\nThe `make_call(destination)` method initiates a call to the destination number:\r\n```python\r\ncall = account.make_call(\"destination_number\")\r\n```\r\n\r\n#### **Unregistering**:\r\nWhen you're done, unregister the account to gracefully close the session:\r\n```python\r\nawait account.unregister()\r\n```\r\n</div>\r\n\r\n### Call Handling\r\n\r\n<div style=\"background-color: #f6f8fa; border-radius: 6px; padding: 16px;\">\r\n\r\nThe `CallHandler` is responsible for handling the call flow. It allows you to say messages, gather input from the caller, or transfer the call.\r\n\r\n#### **Playing a message to the caller**:\r\n```python\r\nawait call_handler.say(\"Welcome to our service.\")\r\n```\r\n\r\n#### **Gathering user input**:\r\nUse `gather()` to gather input from the user, such as pressing a digit:\r\n```python\r\ndtmf_key = await call_handler.gather(length=1, timeout=5)\r\n```\r\n\r\n#### **Transferring the call**:\r\nYou can forward the call to another number:\r\n```python\r\nawait call_handler.transfer_to(\"1234567890\")\r\n```\r\n</div>\r\n\r\n### UDP Transport\r\n\r\n<div style=\"background-color: #f6f8fa; border-radius: 6px; padding: 16px;\">\r\n\r\nThe `UdpHandler` is an internal module that manages the asynchronous sending and receiving of SIP messages over the network.\r\n\r\n#### **Sending a message**:\r\nThe `send_message()` method sends a UDP message to the SIP server or peer:\r\n```python\r\nself.transport.sendto(message)\r\n```\r\n\r\n#### **Receiving a datagram**:\r\nThe `datagram_received()` method handles incoming messages, placing them in a queue for processing:\r\n```python\r\nself.data_q.put_nowait(data)\r\n```\r\n</div>\r\n\r\n---\r\n\r\n## \ud83d\udd0d **Example Script**\r\n\r\nTo demonstrate PySIP in action, we've provided a basic example of an appointment booking bot. This bot allows callers to book appointments via a phone call.\r\n\r\n<div style=\"background-color: #f6f8fa; border-radius: 6px; padding: 16px;\">\r\n\r\n```python\r\nimport asyncio\r\nfrom PySIP.sip_account import SipAccount\r\nfrom scripts.appointment_booking_bot import appointment_booking_bot\r\nfrom dotenv import load_dotenv\r\nimport os\r\n\r\n# Load environment variables\r\nload_dotenv()\r\n\r\n# Initialize SIP account with credentials from .env file\r\naccount = SipAccount(\r\n os.environ[\"SIP_USERNAME\"],\r\n os.environ[\"SIP_PASSWORD\"],\r\n os.environ[\"SIP_SERVER\"],\r\n)\r\n\r\nasync def main():\r\n # Register the SIP account\r\n await account.register()\r\n\r\n # Make a call to a test number (e.g., '111')\r\n call = account.make_call(\"111\")\r\n call_task = asyncio.create_task(call.start())\r\n\r\n # Run the appointment booking bot\r\n await appointment_booking_bot(call.call_handler, customer_name=\"John\")\r\n\r\n # Wait for the call to complete, then unregister\r\n await call_task\r\n await account.unregister()\r\n\r\nif __name__ == \"__main__\":\r\n asyncio.run(main())\r\n```\r\n</div>\r\n\r\n---\r\n\r\n## \ud83d\udee0 **Creating Your Custom SIP Scripts**\r\n\r\nWhile the appointment booking bot is just one example, **PySIP** is designed to let you create any SIP-based automation or custom script that fits your needs.\r\n\r\nTo create your own script:\r\n1. **Create a Python file** in the `scripts/` directory.\r\n2. **Write your custom call logic** using the `CallHandler` class to control the call flow.\r\n3. **Use the `SipAccount` to register and make calls** as demonstrated in the example script.\r\n\r\n---\r\n\r\n## \ud83e\udd1d **Contributing**\r\n\r\nContributions are welcome! If you would like to contribute to the development of PySIP, feel free to open issues or submit pull requests.\r\n\r\n---\r\n\r\n<div style=\"text-align: center; align: center; margin-top: 30px;\" align=\"center\">\r\n <p align=\"center\">Made with \u2764\ufe0f by the Moha Abdi</p>\r\n</div>\r\n",
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