User`s manual
MP-1xx H.323
MP-1xx H.323 User’s Manual 18 Document #: LTRT-65104
1.3 MP-1xx Features
This section provides a high-level overview of some of the many MP-1xx supported features.
1.3.1 General Features
• Superior, high quality Voice, Data and fax over IP networks.
• Spans a range of 2 to 24 analog ports.
• Supports analog telephone sets or analog PSTN/PBX trunk lines (FXS/FXO).
• Connects to the network via a 10/100 Base-TX Ethernet interface.
• Selectable G.711 or Low Bit Rate (LBR) coders per channel.
• T.38 fax with superior performance (handling a round-trip delay of up to nine seconds).
• Echo Canceler, Jitter Buffer,
Voice Activity Detection (VAD) and Comfort Noise Generation (CNG)
support.
• Web management for easy configuration and installation.
• Simple Network Management Protocol (SNMP) and Syslog support.
• Simple Network Time Protocol (SNTP) support, the time-of-day can be obtained from a
standard SNTP server.
1.3.2 Hardware Features
• MP-124 19-inch, 1 U rugged enclosure provides up to 24 analog FXS ports, using a single 50
pin Telco connector.
• MP-10x compact, rugged enclosure only one-half of a 19-inch rack unit, 1 U high (1.75" or
44.5 mm).
• MP-124 devices: optional AC or DC power supply.
• Lifeline - provides a wired phone connection to PSTN line when there is no power, or the
network connection fails (applies to MP-10x FXS gateways).
• LEDs on the front and rear panels that provide information on the operating status of the
media gateway and the network interface.
• Restart button on the Front panel that restarts the MP-1xx gateway, and is also used to
restore the MP-1xx parameters to their factory default values.
1.3.3 H.323 Features
The MP-1xx H.323 gateway is built on and implements the RadVision™ H.323 version 4.2
protocol stack. The gateway complies with H.323 Version 4.0 ITU standard, H.245 Version 10
and H.225 Version 4.
1.3.3.1 Gatekeeper
• Registers to known Gatekeeper.
• Supports Gatekeeper registration with prefixes (useful for FXO Gateways).
• Supports sending of Unregister request before reset.
• Uses routed or direct mode calls.
• Supports the Alternative Gatekeepers mechanism, used to obtain the IP addresses of
alternative Gatekeepers.
• Uses redundant Gatekeepers (if redundant Gatekeepers are defined).