We need to make a softphone client with encryption to be used in VOIP blocked areas like UAE.
Need these features.
Softphone with [url removed, login to view] codec
Codec Supported Microsoft G723.1/G711
Countdown call timer
Last Number Redial
Local signaling (Dial tone, busy, ring back, etc.) for user comfort
Microsoft Outlook Sync with Address Book
Micro Phone Volume Control
Speaker Volume Control
Speaker and Volume Progress bar
Work with any full-duplex sound card
UPNP NAT/Firewall support, stable SIP RTP ports
Auto-configuration of settings for easy deployment
8 freelancers are bidding on average $1560 for this job
We can do it in USD 1000/- Without following two features, Address Book Microsoft Outlook Sync with Address Book If you must need to include above two features then we can do it in USD 1400/-
Hi, experienced PC2phone developer here. To make sure that voip work well among limited networking, you should encrypt both SIP signal and RTP stream in softphone and sipproxy and RTP server. Welcome to contact me.