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Android sip dialer with tunneling and encryption

Required to make a android sip dialer with build in tunneling and encryption on a Linux based platform.

the platform must be able to handle 1000 concurrent calls

2 way calling out going and incomming

the dialer must be integrated to wok with asterisk and a2billing system

option for new account registration

save userid and password

option to reset forgotten password

refill credit via paypal

should be custom built and able to add additional features later.

should show customers current balance, call history etc...

highly secured against bruit force and other attacks

highly stable and reliable

below specs:

# VoIP calls with auto QoS using the SIP protocol standards (both incoming and outgoing calls)

# Android OS: [url removed, login to view] - and above

# Connection: GPRS, EDGE, WiFi, 3G, 4G (all above 15 kbits)

# Built-in tunneling and encryption (for both the signaling and the media)

# Codec: [url removed, login to view] (PCMU and PCMA), GSM, Speex, iLBC, [url removed, login to view] [url removed, login to view]

# Automatic fine-tuning (including codec selection) depending on your peer capabilities, network speed and CPU power

# AEC (acoustic echo canceller), Denoise filter, AGC (automatic gain control), PLC (packet loss concealment), Silence suppression

# System phone-book

# Call history

# Balance and rating display, call timer, status logs, detailed logs

# Multi-tasking support -listening for incoming calls in the background

# Speakerphone, Mute and Hold

# DTMF (RFC2833 or INFO method)

# NAT/Firewall support, stable SIP and RTP ports, auto QoS, light STUN protocol and auto configuration

# DNS SRV record lookups

# Logging support for trouble shooting

Kĩ năng: Android, Asterisk PBX, Linux, Kiến trúc phần mềm

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Về Bên Thuê:
( 16 nhận xét ) Abu Dhabi, United Arab Emirates

ID dự án: #1685523

11 freelancer đang chào giá trung bình $1391 cho công việc này


Hi please check your inbox thanks

$1050 USD trong 20 ngày
(6 Nhận xét)

Hi, I've integrated Android SIP Softphone with Asterisk. I've few queries mentioned in the PMB. Kindly check.

$1500 USD trong 30 ngày
(2 Nhận xét)

Custom Software Development - <B><i>The Administrator removed this message for containing contact details which breaches our Terms and Conditions</i></B>

$1500 USD trong 1 ngày
(0 Nhận xét)

Dear Client, I have more than 10+ years of experience in java, web and mobile platforms. I worked on different products of Java, web, Android, BlackBerry, Iphone, J2me and windows mobile along with server side m Thêm

$1700 USD trong 30 ngày
(0 Nhận xét)

See private message.

$1500 USD trong 5 ngày
(0 Nhận xét)

USD 1500 60 days

$1500 USD trong 60 ngày
(0 Nhận xét)

Sir, we have already developed product which you required. we can deliver it in couple of hours only.

$1399 USD trong 2 ngày
(0 Nhận xét)

Respected Sir, Hope you will be doing good, I have got extensive experience of handling such projects and delivering them on time, so give me a chance and try me. Regards, Nabeel Ahmed

$900 USD trong 20 ngày
(0 Nhận xét)

Hi Good Morning, Hope you are well. We have review your proposal and we found that we can fit into your requirement. We have very strong expertise in building small to large scale web application. So far we h Thêm

$1450 USD trong 25 ngày
(1 Nhận xét)

See PM for demos and details.

$1800 USD trong 30 ngày
(0 Nhận xét)

I had full understanding of sip protocol, asterix pbx server, ip networking, application development , linux kernel. Already completed ip phone ( based on linphone) using sip server as well asterix pbx and run other Thêm

$1000 USD trong 30 ngày
(0 Nhận xét)