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 5260 (T1/E1 Gateway) : 
   Provide T1/E1 to connect to PSTN network for IP to PSTN call. Provide ISDN PRI, R2 and SS7 signal.
3. WellRTP 5100 (RTP Resource Server) : 
   Provide RTP Resource pass through for NAT Traversal function.
4. WellBG 5800: 
   Session Border Controller.
5. IP Centrex 6850 : 
   Provide Voice Mail, Auto-Attendant and color Ring back tone.
6. SIPivr 6800 (Application Server) : 
   Provide IP based IVR for service application.
7. WellRec 5600 (IP Recorder) : 
   Provide both ways IP Recorder for IP to IP and IP to PSTN calls.
8. WellBilling 6600 (Billing server) : 
   Provide Pre-Paid and Post-Paid for IP to IP and IP to PSTN call. Support RADIUS with AAA.
9. WellSC 5900 ( Universal SIP/H.323 Signal Converter) :
   WellSC 5900 provides an easy to use web-based drag and drop call-flow editor to help the system administrator to design their VOIP service very quick and flexible.

Device for end users

CPE side device for PC users:

1. Welltech Softphone SP362, SP365

CPE side device for SOHO, Enterprise users:

1. IP Phone LP-388, IP Phone LP 399 or
2. ATA-171/172/171P/M or
3. WellGate 3502A, 3504A

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