July-18-2007

http://www.welltech.com

Introduction

Welltech WellSIP 6550 SIP Telephony proxy Server is the best choice to your convergence VOIP network which covert the requirements from enterprise to service provider. With built-in rich telephony services, WellSIP 6550 enables traditional PABX features to your VOIP convergence platform. Also you can easily upgrade the license or provide the high available service according to the growth of your business without any hardware changes. WellSIP 6550 provide capacity up to 100,000 registration users and 10,000 concurrent calls. It is not only an ITSP carrier grade NGN softswitch but also an Hosted IP-PBX Telephony solution.

Here are some guide line of application note.

• Welltech Platform NAT Traversal Recommendations.pdf
• How to Integrate with Exchange 2007.pdf
• Breaking the ISP Service Blocking.pdf
• Using WellSIP 6500 as a Internet exchange Center.pdf
• How to Ring your IP Phone and PSTN Number Simultaneously.pdf
• WellSIP 6500 Series Redundant Setup Procedure.pdf
• Prohibit Non-Certificated CPE from Registering the Service.pdf
  

Online Demo

provides an tutorial configuration guide to WellSIP 6500 and 6550. There are no much differences between 6550 ( 100K users ) and 6500 ( 20K users ) web page interface. Please click the following title to start on-line demo program.

Multiple Advantages

• Intelligent Call Routing
  WellSIP 6500 provides multiple service routing polices to meet different service providers’ requirements (e.g. load balancing, priority, most idle etc.) It enables service provider to tell how to route the call depending on the call results or predefined rules. The incoming prefix match and outgoing prefix insert provides a very easy way to manage your VOIP exchange service.
  
• Easy to Configure and Management
  Full web management interface make you to manage your WellSIP 6550 anywhere of the world. You don’t need remember the command lines or operate it on the specified console. Also the system event notice features keep you the system status updated remotely.
  
• NAT On-Demanded Traversal
  Due to the lack of IPV4 address, a lot of customer is using NAT for their network. WellSIP 6550 provides the NAT on-demanded traversal which will only route the voice when needed. It saves the bandwidth and provides better voice quality compare to route each call voice back to server. No CPE modification is
  required. ** (External RTP server is required)
  
• Voice NAT/Firewall Router
  With built-in SIP and voice routing features, WellSIP 6550 provides a secure and easy way to migrate your Voice IP PBX solution. It acts as a NAT router and firewall role which voice RTP port is only opened when SIP signaling is established successfully.
  
• Rich Telephony Service
  The WellSIP 6550 provides build-in rich set of telephony service which enables the service provider quick time to market to delivery their service to their customers. By cooperating to Welltech IPCentrex 6850, the service provider can provide Announcement, Auto Attendant, VMS, CRBT etc. immediately.
  
• Multiple Access to Receive Calls Anywhere
  With provided SIP TCP and UDP protocol, WellSIP 6550 can accept both type of signals and do the conversion when needed. For each protocol, WellSIP 6550 can support up-to 3 service ports which enabling to receive SIP service anywhere of world. Also a proprietary voice and SIP encryption can break through all ISP blockings.
  
• High Availability Redundant
  WellSIP 6550 provides high availability VOIP service by using active and stand-by redundant technology which provides hot standby and hitless fail-over for stable call to reach mission-critical service requirement. It keeps your service continues running.
  
• Microsoft Live Communicator Server 2005 Integration
  WellSIP 6550 can work with Microsoft Live Communication Server 2005 as a total solution to meet the enterprise communication requirement. Without any extra settings in LCS 2005, WellSIP 6550 is able to provide all features that WellSIP 6550 provided. Both of your SIP phone and Office Communicator can ring to talk together.

Specifications

• Dimension: 2U, 19-inch chassis, Industrial rack mounted, Black
• Power Environment:
  • Power input auto range, 90~240Vac, 50/60Hz
  • Operating temperature: 0~60°C
  • Relative humidity: 5%~95%
• Processor:
  • Embedded Windows XP OS
  • Upgradeable AP Image
• Front Panel Display:
  • Power LED
  • DOM access LED
  • System Ready LED
  • 2 x 16 dot-matrix LCD display
• WAN/LAN Interface:
  • 10/100/1000 Base Ethernet x 2
  • SIP service & management IP address
• System Requirements:
  • External MS-SQL based database (do not support My-SQL)
  • External RTP resource server 5100 for NAT Traversal
• Made in Taiwan

Selected Features

• Call Transfer
• Call Forward
• Call Forwarded Notice
• Call Screening
• Caller ID Privacy
• Call Waiting
• Call Hold
• Call Pickup (Global, Group)
• Specified Call Pickup
• Find Me
• Short Code
• Do Not Disturb
• Miss Call Notify by Email
• ANI Replacement
• Call Return
• Hide ANI/Show ANI Selection
• Call Park/Retrieve
• Call Camp on
• Display Name Replacement
• PSTN Number
• Ring PSTN & IP Device Simultaneously

Ready-to-Run Value Added Service

• System Announcement Service
• Multi-Company Auto Attendant
• Voice Mail Service
• Coloring Ring Back Tone Service
• Number Change Notice
• Call Forward Notice
• Call Forward Notice and Forward
• Call Interception
• Call Recording Service
• IP Centrex

Application Examples

• VOIP Core Service
• VOIP Class 5 Subscriber Service
• Internet Exchange Service Center
• Hosted IP-PBX
• Medium to Large Enterprise IP-PBX
• VOIP Call Center
• Microsoft LCS 2005 Integration
• Exchange 2007 Integration
• NGN SIP based softswitch

Application

WellSIP 6550 can be used as ITSP Telephony Service Provider Application with Carrier Grade SoftSwitch up to capacity 100,000 subscribers. The HA Redundant technology ensure 24 x 7 one week service without interruption. It supports NAT Traversal with external RTP resource server 5100. An MS-SQL database server is required to install externally to support subscriber account messages. The pre-paid and post-paid Billing server and Border Gateway controller SBC 5800 also supported to provide flexible business model.

The E1/T1 gateway provide ISDN PRI, CAS, R2 signal, QSIG and ISUP/SS7 protocol to connect to PSTN or PBX device to link voice call between PSTN and IP Network.

Application 2: Hosted IP-PBX

An external MS-SQL Database and RTP Resource Server 5100 are required to establish an WellSIP 6550 SIP Telephony Proxy server. The WellSIP 6550 is also working as an Hosted IP-PBX with Telephony Service with various small office or medium to large enterprise PBX application.

Welltech Computer Co., Ltd.
TEL : +886-2-82265699
FAX : +886-2-82265799
http://www.welltech.com