User`s guide

Dialogic
®
Host Media Processing Software Release 4.1LIN Release Guide 39
Programming Libraries
5.7 Dialogic
®
Fax API Library
The Dialogic
®
Fax API library supports development of a wide variety of fax applications
such as fax mail, fax broadcast and fax-on-demand. The fax software includes library
functions, device drivers, and firmware files.
See the Dialogic
®
Fax Software Reference for more information.
New Features
No new features have been added since Dialogic
®
Host Media Processing Software
Release 3.1LIN.
5.8 Dialogic
®
Global Call API Library
The Dialogic
®
Global Call API library provides a uniform call control interface for
developing applications for multiple network interface technologies. The Global Call API
library supports a variety of protocols.
The Dialogic
®
Global Call API library has the following characteristics:
• Supports SIP protocols
• Provides a consistent application interface for the various protocols and technologies
• Can be run in third party call control mode (3PCC) (SIP only)
Call control is managed by the Global Call API library and media exchange is managed by
the IP Media Library. The Global Call API library supports multimedia call control over IP
when using SIP and SDP.
The generic functionality of the Global Call API library is documented in the Dialogic
®
Global Call API Library Reference and the Dialogic
®
Global Call API Programming Guide.
Functionality specific to the IP technology is documented in the Dialogic
®
Global Call IP
Technology Guide.
New Features
The Dialogic
®
Global Call API library provides the following new capabilities in Dialogic
®
Host Media Processing Software Release 4.1LIN:
SIP Transport Layer Security (TLS)
Provides the ability to authenticate and encrypt TCP-based call control using a variety
of different key exchange, authentication, encryption, and message authentication
code algorithms.
For more information, see Dialogic
®
Global Call IP Technology Guide.
Unspecified G.723.1 bit rate in outgoing SIP requests with SDP
The application in 1PCC mode can choose not to specify the G.723.1 codec bit rate,
namely 5.3 kbps or 6.3 kbps, in an outgoing SIP message with SDP body. Instead, the