CountryPath出了Bria for iPhone

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http://www.counterpath.com/bria-iphone-edition.html

Features

Bria iPhone Edition is available for Apple iPhone and iPod touch.
Standard Phone Features

Bria iPhone has all the standard telephone features, including:

    * Full SIP Compliance - enabling use of any SIP-compliant server
    * Multiple account support - up to eight accounts
    * Multitasking capabilities – for use with the Apple iOS 4 operating system on the following supported devices: iPhone 4, iPhone 3GS, and the third-generation iPod touch (32GB and 64GB models from late 2009)
    * Call display and voicemail indicator
    * Speakerphone, Mute and Hold
    * Call history – list of received, missed and dialed calls
    * Contact List and Contact Favorites – Leveraging the iPhone Contacts
    * Ringtones and contact avatars
    * Custom wallpaper
    * Multiple Call Support
          o Swap between two active calls
          o Merge and Split calls (Three-way conferencing support)
          o Call transfer (attended and unattended)
    * Audio codecs include G.711 and GSM
          o G.729 ready (option to purchase in app)
    * Support for DTMF: the ability to enter numbers to use an auto attendant
          o Via RFC 2833 or SIP INFO
    * VPN Support


Advanced Features

    * NAT traversal
          o Application Managed, Server Managed or User Specified
          o Global IP Support
          o STUN & ICE
    * Media Efficiency and Quality
          o VAD (Voice Activation Detection)
          o QoS (Quality of Service)
          o ToS Marking
    * Security and Encryption
          o TLS and SRTP (Secure call signaling and audio encryption)
    * DNS SRV record lookups
    * Call quality statistics


Accessories

The following accessories are supported:

    * Headset with microphone (including Bluetooth™): Bria uses the ear-piece and microphone on the headset.
    * Headphones (no microphone): Bria uses the ear-piece on the headphone and the built-in microphone on the iPhone.