to build Iphone or Android App initially, similar to Skype with the following features: -- 4

This project received 43 bids from talented freelancers with an average bid price of $4764 USD.

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Project Budget
$750 - $1500 USD
Total Bids
Project Description


I'm looking to build Iphone or Android App initially, similar to Skype with the following features:

SIP protocol
File transfer (photo, video, anything, ...)
Animated emoji, stickers and ringtone
AnyFirewall: STUN/TURN/ICE
Cross-Platform code.
SIP interconnection for PSTN termination
UI Design
UI impelemation for all above Platform
Cheap International Phone voice call (live Realtime A2Billing)
API for Paypal, credit card payment
Report analytic.
Data-base: MySQL, PostgreSQL
Radius client for accounting.
live monitoring ASR, ACD, call-statistics by destination gatewa
SNMP statistics
LCR Routing
ASR Routing
Average call Duration (ACD)
Gateway/route load
route capacity
Number of calling/called party
Day of week/Time of Day
call Detail Records
Modify calling party Number
Modify called party Number
Modify number to carriers' dialing/routing plan

IP calling:
Audio HD quality voice codecs – OPUS, SILK, AMR and others
Video – h264 or VP8 codec

Instant Messanger:
Standalone messaging
One to one chat
Group chat

Content sharing:
Video sharing
Picture sharing
Audio files sharing
Geolocation sharing

Social Profile Information:
Time zone
Favorite link

Simple sign up through mobile number registration with SMS verification
Service ID for PC and MAC, optional for mobile clients.
Support for Public ID (service ID, phone number etc.) and hidden private ID (real SIP username)

Users discovery and capabilities check:
Enhanced Address Book (showing the service users and their capabilities)
Real time notification when a new user from Contacts joins the service
Negotiating services quality depending on connection and other factors
Search users by email, service ID and name (Public Directory)
Social networks integration
Visual presentation
Recording own welcome greeting
Voicemail to email
Top up using in-App purchases systems or 3rd party payment gateways
Audio and video Recording
Dialing through CS or VoIP to non RCS contacts (optional call through support)
PUSH instantaneous messages to iOS and Android (incoming calls, text messages, Voicemail, new contact joined)
Animated emoji + Stickers.
Instagram features
Guaranteed Firewall and NAT Traversal AnyFirewall Engine to guarantee 100% call completion over any fixed or mobile network and through any NAT or firewall.
Guaranteed voice and video Quality AnyBandwidth Engine to guarantee the best possible voice and video Quality over any fixed or mobile network and on any device.
Federated Presence and Instant Messaging with AOL, Google Talk, MSN, Yahoo!, and more.
Phone, and fixed and mobile networks, including cable, DSL, 3G, LTE, 4G, and WiFi.
Standards Compliance and Certification:

Compliant with IETF standards SIP and XMPP
Compliant with IETF, 3GPP, and CableLabs standards STUN, TURN, and ICE
Plug-and-play voice codecs including [url removed, login to view], [url removed, login to view], GSM, iLBC, SirenTM, Speex, and more

Voice processing (AEC, AGC, CNG, NS, VAD) for hands-free handsets and tablets
Conferencing for up to 8 parties

Peer-to-peer media transport over UDP-enabled networks for low latency and high scalability
Scalable to tens of millions of subscribers

TLS for signalling encryption
SRTP for media encryption


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