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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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