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VOIP SIP Mobile Dailers

This project received 25 bids from talented freelancers with an average bid price of $7536 USD.

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Employer working
Project Budget
min $5000 USD
Total Bids
25
Project Description

hi,

We are looking VOIP Mobile SIP Dailers in all platform and it should support dynamic Codecs including G729 as well. all standard function like...

Highlights

Highly secure, SIP-based softphone with exceptional voice quality

Pre-defined VoIP and XMPP provider list available when adding new accounts, including Facebook and Gmail for XMPP

Integration with Facebook to display contacts’ latest Facebook status

Multitasking support for background operation, such as fielding incoming calls while using other applications

HD audio codecs including [url removed, login to view], OPUS and SILK

Standard Phone Features

Multiple account support for up to 16 accounts on any SIP-compliant server

Contact List and Contact Favorites leveraging the device’s native contact directory

Call display and voicemail indicator

Speakerphone, mute and hold functions

Call history with a list of received, missed and dialed calls

Call recording

Ringtones and contact avatars

Dial plan support

Multiple call support

Swap between two active calls

Merge and split calls (three-way conferencing support)

Call transfer (attended and unattended)

Audio codecs include [url removed, login to view] a/u, [url removed, login to view] (HD), iLBC, GSM, OPUS and SILK

Automatic codec selection to ensure optimal call quality

Support for DTMF: the ability to enter numbers to use an auto attendant

Via RFC 2833, SIP INFO and in-band

Advanced Features

Network Traversal

Application Managed, Server Managed or Custom Configuration

Global IP Support

STUN & ICE

Media Efficiency and Quality

Noise Reduction

Echo Cancellation

Voice Activity Detection

Quality of Service

Codecs Variable Bitrate

Security and Encryption

TLS and SRTP (Secure call signaling and audio encryption)

DNS SRV record lookups

Call quality statistics

VPN support

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