Sangoma Wanpipe TDM API

WANPIPE® TDM Voice API is a device based, multi-threaded suite of kernel drivers and user space libraries that can be used to build custom Voice applications over TDM Voice hardware, on both Linux & Windows.

The WANPIPE® TDM Voice API has been designed to fit easily into a network programming model. Therefore anyone who has ever done any socket programming will feel right at home. Thanks to the socket API model, a channel on a particular span is just a file descriptor that can be used to transmit and received voice data. Along with standard rx/tx, a tdm device also support OOB messages that become useful in DTMF detection and RBS signaling. Standard IOCTL calls are use to control channel socket parameters such as rx/tx period, codec control, echo control, rbs and dtmf.

WANPIPE® TDM Voice API is supported on Linux & WIndows. Furthermore all sample codes are identical for all operating systems.

Sangoma Wanpipe TDM API Architecture:

Sangoma Wanpipe TDM API Provides:

Support for Linux & Windows operating systems.
Common API for all Sangoma Hardware (T1/E1/Analog/BRI).
Extensive Support for TDM Voice Applications
SPAN API Mode - one device per span (TDM Voice or WAN Data)
CHAN API Mode - one device per chan (TDM Voice Only)
Timer Devices used for Timing
Global Config Device used to configure/control/debug.
Global Control Device receives all events from all devices.
LibSangoma (Library/DLL) - Abstracts all OS API calls.

Sangoma Wanpipe TDM API Components:

Wanpipe Kernel Driver & Utilties - Common for Linux & Windows
LibSangoma API Library/DLL