SIP Softphone client with encryption to use in blocked areas


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

Call timer

Display Balance

Countdown call timer

Last Number Redial

Local signaling (Dial tone, busy, ring back, etc.) for user comfort

Touch Tone

Address Book

Microsoft Outlook Sync with Address Book

Micro Phone Volume Control

Speaker Volume Control

Speaker and Volume Progress bar

Small application

Work with any full-duplex sound card

UPNP NAT/Firewall support, stable SIP RTP ports

Auto-configuration of settings for easy deployment

Configuration Wizard

DNS support

Skills: Asterisk PBX, VoIP

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About the Employer:
( 1 review ) Hong Kong, Hong Kong

Project ID: #558454

8 freelancers are bidding on average $1560 for this job


Hi I can do this for you. Please check your PMB.

$1500 USD in 15 days
(0 Reviews)

Hi, I can do this for you. Please check PMB.

$2500 USD in 45 days
(0 Reviews)

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/-

$1000 USD in 15 days
(0 Reviews)

Hello, First of all, Happy Thanksgiving Day and thanks for this project post. I had been working for telecommunications and VOIP companies for more than four years, and therefore the requirement is not new to me. More

$733 USD in 43 days
(0 Reviews)

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.

$3000 USD in 10 days
(0 Reviews)

Hi, We have Softphone for Blocked area, Please contact via PMB (INBOX) for more details

$600 USD in 2 days
(0 Reviews)

We just did a project exactly like this for a US military related company.

$2400 USD in 7 days
(0 Reviews)

Hi, see PM, thanks

$750 USD in 2 days
(0 Reviews)