General - AudioCodes Mediant 1000 User Manual

H.323 User's Manual
Supports collecting Digits from POTS (Plain Old Telephone Service) (for FXS
gateways) or from PBX/PSTN (for FXO gateways) using predefined digit map.
Supports one or two stage dialing for network to PBX/PSTN calls, using MP-10x/FXO
gateway.
Supports answer supervision (FXO) using detection of either polarity reversal or
human voice.
Supports disconnect supervision (FXO) using polarity reversal, current disconnect,
detection of Busy/Reorder/Dial tones or detection of silence.
Supports configuration of calling number screening indication in H.225 Setup.
Supports Pre-Grant ARQ, enabling the gateway to skip ARQ messages for incoming
or outgoing calls
1.1.3.3

General

AudioCodes gateways are identified by Country Code (0xB5) and Manufacturers Code
(0x28) in H.323 messages.
Supports H.323 Annex D, T.38 real time fax.
Supports H.450 Call Hold, Call Transfer, Call Forwarding, Call waiting, Message
Waiting Indication and Name Identification supplementary services (H.450.1, H.450.2,
H.450.3, H.450.4, H.450.6, H.450.7 and H.450.8).
Supports DTMF negotiation.
Supports DTMF and hook-flash signal out of band through H.245 channel, (using
"Alphanumeric" or "Signal" field).
Supports DTMF and hook-flash signal in-band according to RFC 2833 including
negotiation of payload type.
Supports DTMF and hook-flash signal out of band using H.225/Q.931 Keypad facility
messages.
Supports reopening of logical channel and implementation of third-party reroute.
Supports configuration of H.323 Port Range.
Supports H.225/Q.931 Progress Indicator parameter for Fast Connect, enabling
playing of local Ringback tone or to cut through the voice channel to listen to remote
Call Progress Tones/messages.
Supports detection (FXO) and generation (FXS) of Caller ID signal (NTT, Bellcore,
ETSI, Indian, Danish, Brazilian, British and Swedish standards) and interworking it to
H.323 network.
Supports ISDN PRI Setup and Facility messages tunneling in H.323 according to
H.323 Annex M.3.
Supports Caller ID restriction (Privacy).
Supports routing of IP Tel calls to predefined hunt groups.
Supports a configurable channel select mode per hunt group.
Supports various number manipulation rules for IP Tel and Tel IP, called and
calling numbers.
Supports H.245 round trip delay. When activated the gateway periodically generates
H.245 round trip delay requests.
Note that the vulnerability of the Mediant 1000 was evaluated to H.323 messages per
NISCC Vulnerability Advisory 006489/H323 (refer to
http://www.uniras.gov.uk/vuls/2004/006489/h323.htm
https://www.kb.cert.org/CERT_WEB/services/vul-notes.nsf/id/749342).
For more updated information on the gateway's supported features, refer to the latest
Mediant 1000 H.323 Release Notes.
Version 5.0
and to
25
1. Overview
December 2006