• Ability to make PSTN calls over IP!
• Caller-ID [via SIP]
• Secure Account Authentication using SIP MD5 Authentication
• Automatic IP resolution [via STUN servers]
• Detecting Dynamic IP [when STUN is disabled]
• Codecs supported: G.711 and GSM 6.10 FR
• Call Timer [Should be Enabled from Debug Prefs]
• Works in Background Mode (Need not stay in application for receiving calls)
• Noise Suppression - a great feature to save your bandwidth usage - use your connection only to transmit your voice!
• Dial, Hang-up & Redial - now with newer and larger button!
• Touch-tones [DTMF]
• Lookup Phonebook - Dial right from your contacts!
• Recommended Connections - WiFi, Bluetooth, EV-DO
• Treo 600/650 extras - Easy five-way navigation
• non-Treo extras - No worries of network disconnection on device entering sleep mode
• OTA upgrade using menu option
  

• PalmOS 5.0 or greater
• PalmOne devices - Treo 600/650, Tungsten, LifeDrive, Zire.
• Bandwidth requirement: G711 – 160 kbps and GSM – 58.4 kbps
• Earphones is required to avoid echo

All standard SIP servers including Vonage, Inphonex, VoicePulse, Asterisk PBX, Voxee, Teliax, Stanaphone, SipPhone, FWD, FonoSIP, IPTel.org etc.