This Softphone will support SIP protocol and will be able to integrate with any standard SIP proxy like Asterisk and shuold be able to install at Windows and linux operating system. it requires the following set of features using C++/Java.
Customized Logo and skin interfaces
Last Number Redial , Missed Call
Local signaling (Dial tone, busy, ring back, etc.) for user comfort
Support different codec,such as gsm,[url removed, login to view],[url removed, login to view],[url removed, login to view] etc
3rd Party web based real-time prepaid billing solution available with customer care and reporting system.
Address Book , Account History
Micro Phone Volume Control
Speaker Volume Control
Work with any full-duplex sound card
UPNP NAT/Firewall support, stable SIP RTP ports
Auto-configuration of settings for easy deployment
Display Balance ( It will send an HTTP request to HTTP server to get Balance information)
Music on hold
Display Credit account time countdown ( it will send an HTTP request along with called number to an HTTP server to get credit time request)
Subscriber will logged into Softphone by a username/password. Softphone will send this username/password information to a provisioning server over HTTP protocol and will download its SIP server and SIP Account configuration in XML format or in Text format. it will configure itself with this XML or Text configuration. I already have an HTTP based provissioning Server.
Users cannot change SIP Server IP, Unlimited simultaneous call sessions and MUST embedded in an application or hosted on a website. If you have exiting project/sourcecode, it is okay but it must nice & friendly GUI.
Please let me know if you want to know anything more.
10 pekerja bebas membida secara purata $610 untuk pekerjaan ini
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