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AudioCodes Mediant 800B User Manual

AudioCodes Mediant 800B
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Version 7.2 503 Mediant 800B Gateway & E-SBC
User's Manual 22. Digital PSTN
TelProfile_IsFaxUsed, TelProfile_JitterBufMinDelay,
TelProfile_JitterBufOptFactor, TelProfile_IPDiffServ,
TelProfile_SigIPDiffServ, TelProfile_DtmfVolume,
TelProfile_InputGain, TelProfile_VoiceVolume,
TelProfile_EnableReversePolarity,
TelProfile_EnableCurrentDisconnect,
TelProfile_EnableDigitDelivery, TelProfile_EnableEC,
TelProfile_MWIAnalog, TelProfile_MWIDisplay,
TelProfile_FlashHookPeriod, TelProfile_EnableEarlyMedia,
TelProfile_ProgressIndicator2IP;
TelProfile_1 = voice,$$,1,$$,$$,$$,$$,$$,$$,$$
TelProfile_2 = data,$$,2,$$,$$,$$,$$,$$,$$,$$
[\TelProfile]
22.5.1.1 DSP Pattern Detector
For TDM tunneling applications, you can use the DSP pattern detector feature to initiate
the echo canceller at call start. The device can be configured to support detection of a
specific one-byte idle data pattern transmitted over digital E1/T1 timeslots. The device can
be configured to detect up to four different one-byte data patterns. When the defined idle
data pattern is detected, the channel resets its echo canceller.
 To configure DSP pattern detector:
1. In the DSP Settings page (Setup menu > Signaling & Media tab > Media folder >
DSP Settings), do the following:
a. From the 'IPMedia Detectors' drop-down list (EnableDSPIPMDetectors), select
Enable.
b. From the 'Enable Pattern Detector' drop-down list (EnablePatternDetector), select
Enable.
2. Configure the number (e.g., 5) of consecutive patterns to trigger the pattern detection
event, using the ini file parameter, PDThreshold.
3. Configure the patterns that can be detected by the Pattern Detector, using the ini file
parameter, PDPattern. For example:
PDPattern = 84, 85, 212, 213 ; for idle patterns 54, 55, D4
and D5
22.5.2 Configuring Private Wire Interworking
You can configure the device to interwork in a private wire system, where one side is IP
(SIP) based and the other side is legacy, digital PSTN (E1/T1 CAS) based.
Private wire is a generic term used to describe static point-to-point voice connections
between two locations. Private Wires are typically used by a number of communities such
as military, railways, emergency services, and financial services. Historically, private wire
services were achieved by running direct private connections (telephone cables) between
offices in the same building. In private wire services, dialing is unnecessary and there is a
direct, "always on" and immediate connection.
Trading turret systems are also part of private wire services. A trading turret or dealer
board is a specialized telephony key system that is generally used by financial traders on
their trading desk. Trading turrets enable users to prioritize incoming call activity from
customers or counter-parties and make calls to these same people instantaneously by
pushing a single button to access dedicated point-to-point telephone lines (commonly
called Ringdown circuits). No dialing is necessary; the user simply picks up the handset or
pushes a button and a dedicated line is seized. Thus, many turrets have multiple handsets

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AudioCodes Mediant 800B Specifications

General IconGeneral
BrandAudioCodes
ModelMediant 800B
CategoryGateway
LanguageEnglish

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