【實用社交app】Media5-fone SIP VoIP Softphone|最夯免費app-綠色工廠好玩App

The famous SIP Softclient with High Audio Quality for the iPhone / iPad / iPod Touch!Media5-fone is the best and most comprehensive Mobile VoIP SIP Softphone application that enables you to make and receive free or inexpensive secured phone calls over the Internet using Wi-Fi or Cellular Data connection.Get a VoIP SIP account with one of the validated SIP Providers and use the Media5-fone SIP Client to start making and receiving calls all around the world.Compatible Enterprise IP-PBX & SIP servers:• Aastra• Asterisk• Avaya• Broadsoft• Ericsson• FreePBX• FreeSwitch• Kamailio• Nokia-Siemens• Nortel CS1K, CS2K, CS5200• OpenSIPS• Panasonic• Samsung• Siemens OpenScape and HiPath• sipXecs• Sylantro• And many more…FEATURES:• Easy to configure: - Flexible Codec selection and prioritization; - Authentication Username; - Dial plan; - Pre-configured list of SIP Service Providers; - Selectable ringtone; - Customizable tab bar; - Acoustic Echo Cancellation / Automatic Microphone Gain Control; - Highly interoperable.• Telephony/Communications Features: - Make and Receive VoIP Calls over Wi-Fi and 3G; - SIP URI Dialing support (e.g. sip:media5@sip.media5.com); - Audio routing (Loudspeaker / Handset / Bluetooth / Wired Headset) / Mute; - Access to the native contact list; - Favorites / Speed Dial; - Call History / Contact management; - Voicemail integration / notification (SIP MWI); - Hold / Resume / Redial; - In call contact picture; - Configurable DTMF (SIP INFO / RFCs 2833/4733 / RTP Inband); - Notification Center Support for missed calls, voicemail and registration status; - Blocked Numbers List.• Codecs: - Included: G.711 (uLaw & ALaw), iLBC; - Purchasable: G.722 (Wideband), iSAC (HD), G.729 Annex-B; - Support for UDP and TCP.• Other: - Call Waiting / 2nd Call / Call Toggle / Call Transfer / Conference; - Switch between Multiple SIP accounts (one registration at a time); - Secured SIP Transport (TLS); - Secured Encrypted Media (SRTP) with SDES; - Languages: English, French, German, Spanish, Portuguese, Arabic, Japanese, Chinese (Simplified), Russian, Turkish.SUPPORT: • See the "Media5-fone support" link below.NOTES:• Media5 Corporation is not a telephony provider; you must previously obtain a SIP account from your SIP IP-PBX IT administrator or from your SIP Service Provider. Media5-fone IS OPENED (UNLOCKED) AND THEREFORE NOT ATTACHED TO ANY SIP TELEPHONY PROVIDER.• Allowing VoIP over Cellular Data – Important note: Some mobile network operators may prohibit or restrict the VoIP (Voice over Internet Protocol) over their data network or impose additional fees and/or charges when using VoIP over their network. Please ask your mobile network operator before enabling the VoIP over 3G feature.