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ITSP/ISP Solution

Redundant Architecture

Introduction

With our Voice-over-IP (VoIP) technology, Welltech seamlessly integrates the best of local and long-distance telecommunications to meet ITSP/ISP requirements. Welltech ITSP/ISP solution provides customer with unbeatable cost-savings, ease-of-use and a superb sound quality that customer expect from a local telephone provider. Welltech also offer customer the forward-thinking VoIP telephony features that fit customer mobile lifestyle as their international calling need evolve.

Equipment List for ITSP/ISP

The Welltech ITSP/ISP solution includes:

1. WellSIP 6500 SIP Proxy Server:

   SIP Proxy handle IP to IP and IP to PSTN telephone call.

2. WellGate 5250 T1/E1 Gateway:

   Provide T1/E1 to connect to PSTN network for IP to PSTN call. Provide ISDN PRI, R2 and SS7 signal.

3. WellBilling 6600 server:

   Provide Pre-Paid and Post-Paid for IP to IP and IP to PSTN call. Support RADIUS with AAA.

4. SIPivr 6800 Application Server :

   Provide IP based IVR for service application.

5. IP Centrex 6850 :

   Provide Voice Mail, Auto-Attendant and color Ring back tone.

6. WellRTP 5100 RTP Resource Server: Provide RTP Resource pass through for NAT Traversal function.

7. WellRec 5600 IP Recorder : Provide both ways IP Recorder for IP to IP and IP to PSTN calls.

Device for end users

CPE side device for PC users: 

1. Welltech Softphone 

2. Welltech K-1000 USB phone

CPE side device for SOHO, Enterprise users:

1. LAN Phone 201, LAN Phone 302 and

   WellPhone- 305

   or

2. ATA-151

   or

3. WellGate 3502, 3502A, 3504A or

4. IAD161, 162

    

The detailed specification of above CPE side devices please reference each product catalogue in web.