SP365SIP based Softphone for ITSP/Telecom operator pre-
paid/Post-paid application.

Above screen is SP365 softphone which is
registered to WellSIP 6500/6550 SIP Telephony



Welltech SP365 is a soft-phone designed for VOIP service provider.
With built-in Account Balance Display, Voice Mail Indicator and
Text Message Chatting, SP365 is a best choice for running the VOIP
service with PC Windows platform solution. It is not only providing
required features for service provider, but also granting them to
customize their own features such as customized skin, service URL
and local language. It makes your VOIP service easily and unique.

SP365 provides pre-paid or post-paid features at PC windows based
softphone. It is suitable for frequent traveler and home working
users who can make or receive calls no matter where you are.

SP365 is equipped with echo cancellation technology. It can install
at Laptop to talk with built-in Mic. and speaker. You can also install
an external earphone or Welltech K-1000/K1010 USB Phone to talk
in order to keep privacy.

SP365 has built-in SIP signal and voice packet encryption technology
to avoid ISP blocking VoIP service. This feature need to work with
WellSIP 6500/6550.


Once SP365 is working with WellSIP 6500/6550 Telephony SIP Server. Here are some
examples how to use SP365 softphone together with WellSIP 6500/6550 SIP
Telephony Server.

1. When working Home or Traveling
When you have accessed to internet with public or private IP, SP365 at your PC or Laptop can
register to Service provider platform as pre-paid or post-paid . You can make PSTN call via
ITSP service platform or retrieve voice mail. Also, any incoming call from PSTN can ring your
SP365 softphone as well. You never miss an important call or an order.


2. Account Balance Display for Pre-Paid service
It provides the account balance display after each call at left and lower position in display. You
are able to read how much time and money you made a call and what is your balance.


3. Intelligent NAT Traversal
SIP Proxy 6500/6550 has intelligent NAT traversal features to handle softphone SP365 which
was installed at private IP ( behind router ), DHCP, PPPoE or Wi-Fi. You don't need to configure
router or firewall to pass the NAT call. The SP362 also can pass through private IP when you
are at office, Hotel or home private IP. It allows to make a call between two private IP.


4. Secure a privacy Talking
The SP365 softphone supports voice packet and SIP signal with encryption. This application
avoid any ISP blocking to prohibit VoIP call. It gives you an secure privacy talking.


Key Features

  • Support SIP Proxy 6500 register
  • SIP RFC 3261 Compliance
    - Codec Support: G.711, G.729A
    - Support Acoustic Echo Cancellation
    - Support Multi-language User Interface
    - Account Balance Display
    - Text Message Send/Receive
    - Phone Book
    - Call Hold
    - Call Transfer (Transferred)
    - Call Mute
    - Missed Call
    - Call History
    - Message History
    - SIP Voice Mail Message Indicator
    - Quick Voice Mail Access Button
    - Coloring Ring Tone, Ring Back Tone and Busy Tone
    - Customizable Service or Home URL
    - Customizable Skin and Button
    - Customizable Local Language
    - Support Welltech Proprietary SIP/RTP Encryption/Decryption
    - Fully Integrated with WellSIP 6500/6550 SIP Proxy
  • Recommended PC Windows System Requirements:
    - Intel Pentium 4 or above
    - 256 MB RAM
    - 20 MB HD space
    - Welltech USB phone K-1000/K-1010 or Headset/Microphone
    - Windows 2000/XP/Vista

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