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

This project received 41 bids from talented freelancers with an average bid price of $5987 USD.

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Project Budget
$3000 - $5000 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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