Wellgate5250 V5.1.3.3 Release Note
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Version Name¡G5.1.3.3
Release Date¡GMar.14th 2005

Bug Fixed¡G
	- System time synchronize failure
	- H.323 logical channel leak due to T.38 fax realy 
	- Change Virtual channel hunting algorithm to round-robin to avoid RTP conflict
 	- Fixed SIP dead air when playing on hold tone
	- Watch dog failed to active
        - Dead air when mixing IP site IVR (two stage dialing) and direct (one stage dialing) call
	- PSTN restart not working for CAS unless channel is blocked
	- Failed to get PSTN trunk status when system started
	- H.323 DTMF transmission problem when using IP side IVR for two stage dialing
 	- SIP INFO DTMF transmission problem when using IP side IVR for two stage dialing
	- Build-in AAA fail reason mapping
	
  

Feature:
	- Auto disconnect when there is no next component found
	- PSTN auto clock and fall back
	- Add customized balance unit prompt
	- Add ISDN incoming call overlap sending feature
	- Add PSTN display IE to SIP display name conversion


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Wellgate5250 V5.1.1.7 Release Note
Version Name¡G5.1.1.7
Release Date¡GDec.23th 2004

Bug Fixed¡G
          E1/T1 QSIG connecting problem
          Line summary status display problem
          Fixed AAA restart problem when using external AAA
          Fixed AAA zero session time problem when PSTN hangup first
          Fixed PA component cannot play announcement after AAA component      
          Changed system voice from PB "US dollars" to "dollars" 
Features¡G
          Increase echo canceling length from 32ms to 128ms.
          Add PSTN clock auto fall back

Wellgate5250 V5.1.0.8 Release Note
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Version Name¡G5.1.0.8
Release Date¡GNov.9th 2004

Bug Fixed¡G
         Internal AAA prepaid and postpaid role inverted call flow editor
         PSTN to PSTN fax failure 
         Web page on setting H323 advance can not display
         H323 fast start no ring back tone problem
Features¡G
         none

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Wellgate5250 V5.1.0.6 Release Note
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Version Name¡G5.1.0.6
Release Date¡GOct.26th 2004

Bug Fixed¡G
         Fixed AAA component when PSTN incoming call
         SIP to H323 fax failure on route mode      
         PSTN line hunting group seletion failure
Features¡G
         none          
 
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Wellgate5250 v5.1.0.1 Release Note
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Version Name: 5.1.0.1
Release Date: Sep. 30th 2004

Bugs Fixed:
	High CPU usage when system started
	Cannot make second call when VoIP call is failed
	Fixed system memory exhausted problem (Emergency upgrade)
	
Features: 
        none

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Wellgate5250 v5.1 Release Note
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Version Name: 5.1
Release Date: Sep. 22th 2004

Features: 
	Redundant SIP proxy/Outbound proxy server support
	Built-in IVR & call flow controller for PSTN/ VoIP side
	VoIP to VoIP call support
	Reset a channel/trunk on the fly
	Group DNIS/ANI number replacement
	Global trunk-channel block
	Support RADIUS Authentication, Authorization, Accounting

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