Android SIP Client Solutions

Overview

SIPez is now shipping SIP client applications for the Android operating system. These applications allow Android device users to make SIP phone calls over the data network as opposed to using the cellular voice network. SIPez offers standard off-the-shelf applications as well as provides branded, customized or OEM solutions that fit your specific needs. Libraries and APIs are also available to SIP or VoIP enable your existing Android application. SIPez is expert at embedded systems development and can provide a solution for your custom Android hardware.

Benefits

Better audio quality than PSTN or wireless mobile phone calls with HD Voice and SIPez's premium audio processing engine (SME).
Tighter feature integration with enterprise IP Centrex or PBX services
Toll by pass of wireless mobile minutes
Voice integration with your application

Features

Features included in standard applications:

SIP calls over WiFi, CDMA, EVDO, GSM, Edge, 3G data networks
HD Voice support
SIP (RFC 3261, RFC 3263, RFC 3264, RFC 3265)
SIP RPORT (RFC 3581)
RTP (RFC 1889, RFC 1890, RFC 3550, RFC 3551)
RTCP
G.722 wideband
G.711
Other codecs easily added
DTMF events (RFC 2833, RFC 4733)
Hold/Unhold
Mute
Call waiting
Redial
Handling of up to 4 active calls (depends upon device)
On some devices conferencing, up to 5 way
STUN (RFC 3489, RFC 5389)
Single line with optional registration
Digest authentication
Native Android contact/address book integration
Address searching
Auto-number complete dialing
Volume control

Custom Features

Features available in customized or OEM applications:

Custom address book or buddy list
Microphone gain control
SIP dialog package (RFC 4235)
Multi-line support
SIP reliable provisional response (RFC 3262)
SIP presence (RFC 3856)
SIP instant messaging (RFC 3428, RFC 3994)
Additional codecs
Call forwarding
Do not disturb
Call recording
Auto-answer
MWI (RFC 3842)
AEC
Bluetooth support
Configurable dial plans
TURN
ICE
SRTP
SIP Configuration Client for server based configuration
Transfer

Platforms

Android 2.0.1 or greater. Support available for 1.6 or above in custom solutions